Publications at UC San Diego
Citation metrics on Google Scholar.
2024
129 - Rachel Blau, Samantha M. Russman, Yi Qie, Wade Shipley, Allison Lim, Alexander X. Chen, Audithya Nyayachavadi, Louis Ah, Abdulhameed Abdal, Guillermo L. Esparza, Samuel J. Edmunds, Ritwik Vatsyayan, Sean P. Dunfield, Moumita Halder, Jesse V. Jokerst, David P. Fenning, Andrea R. Tao, Shadi A. Dayeh, Darren J. Lipomi 2024. Surface-Grafted Biocompatible Polymer Conductors for Stable and Compliant Electrodes for Brain Interfaces. Adv. Healthcare Mater. [PDF]
128 - Tarek Rafeedi †, Laura L. Becerra †, Nicholas Root, Yi Qie, William Brown, Baiyan Qi, Lei Fu, Guillermo Esparza, Lekshmi Sasi, Kabir Kapadia, Romke Rouw, Jesse Jokerst, Darren J. Lipomi 2024. Enhanced Dye-Sensitized Mechanosensation Utilizing Pulsed and Digitally Modulated Light. Adv. Sci. [PDF]
127 - Rachel Blau †, Abdulhameed Abdal †, Nicholas Root , Alexander X. Chen, Tarek Rafeedi, Robert Ramji, Yi Qie, Taewoo Kim, Anthony Navarro, Jason Chin, Laura L. Becerra, Samuel J. Edmunds, Samantha M. Russman, Shadi A. Dayeh, David P. Fenning, Romke Rouw, and Darren J. Lipomi 2024. Conductive block copolymer elastomers and psychophysical thresholding for accurate haptic effects. Sci. Robot. [PDF]
126 - Samuel J. Edmunds, Armando D. Urbina, Hannah E. Fishman, Yi Qie, Rafael A. Montalvo, Noel Sebastien D. Mallari, Marc N. Levy, Rachel Blau, Abdulhameed Abdal, Andrea M. Armani, Tse Nga Ng, Nathan A. Romero, and Darren J. Lipomi 2024. Photography-Inspired Patterned Vapor Phase Polymerization of Conductive PEDOT on Rigid and Stretchable Substrates. ACS Materials Lett. [PDF]
125 - Alexander X. Chen, Nicholas A. Azpiroz, Sarah E. Brew, Antonio M. Valdez, Guillermo L. Esparza, Yi Qie, Noah J. Valdez, Rachel Blau, Jordan A. Bunch, Taralyn J. Perry, Tarek Rafeedi, Abdulhameed Abdal, Ignasi Simon, Duncan W. Harwood, Darren J. Lipomi, and David P. Fenning 2024. Silver-free, intrinsically conductive adhesives for shingled solar cells. Cell Reports Physical Science. [PDF]
124 - Lisa Trahan, Dean Rockwell, and Darren Lipomi 2024. Social Community in Action: How Two Undergraduate Engineering Scholar Programs Facilitated Involvement in Communities of Practice. Studies in Engineering Education. [PDF]
123 - Eileen H Shinn, Adam S Garden, Susan K Peterson, Dylan J Leupi, Minxing Chen, Rachel Blau, Laura Becerra, Tarek Rafeedi, Julian Ramirez, Daniel Rodriquez, Finley VanFossen, Sydney Zehner, Patrick P Mercier, Joseph Wang, Kate Hutcheson, Ehab Hanna, and Darren J Lipomi 2024. Iterative Patient Testing of a Stimuli-Responsive Swallowing Activity Sensor to Promote Extended User Engagement During the First Year After Radiation: Multiphase Remote and In-Person Observational Cohort Study. JMIR Cancer. [PDF]
2023
122 - Tarek Rafeedi, Abdulhameed Abdal, Beril Polat, Katherine A. Hutcheson, Eileen H. Shinn, and Darren J. Lipomi 2023. Wearable, epidermal devices for assessment of swallowing function. NPJ Flexible Electronics. [PDF]
121 - Jason X. Tuermer-Lee, Allison Lim, Louis Ah, Rachel Blau, Yi Qie, Wade Shipley, Laure V. Kayser, Samantha M. Russman, Andrea R. Tao, Shadi A. Dayeh, and Darren J. Lipomi. Synthesis of PEDOT:PSS Brushes Grafted from Gold Using ATRP for Increased Electrochemical and Mechanical Stability 2023. ACS Macro Lett. [PDF]
120 - Alexander X. Chen, Guillermo L. Esparza, Ignasi Simon, Sean P. Dunfield, Yi Qi, Jordan A. Bunch, Rachel Blau, Allison Lim, Henry Zhang, Sarah E. Brew, Finnian M. O’Neill, David P. Fenning, and Darren J. Lipomi 2023. Effect of Additives on the Surface Morphology, Energetics, and Contact Resistance of PEDOT:PSS. ACS Appl. Mater. Interfaces. [PDF]
119 - Laura L. Becerra, Tarek Rafeedi, Sankaran Ramanarayanan, Ian Frankel, Juliana Miller, Alexander X. Chen, Yi Qie, Darren J. Lipomi, Harinath Garudadri, Tse Nga Ng 2023. Bidirectional Venturi Flowmeter Based on Capacitive Sensors for Spirometry. Adv. Mater. Technol. [PDF]
118 - Alexander X. Chen and Darren J. Lipomi 2023. Navigating the graduate application process through mentorship. TRECHM. [PDF]
117 - Lisa Trahan, Jessica Baldis, Jasmine L. Sadler, and Darren J. Lipomi 2023. WIP: Approaches to pairing proactive advising and teaching students how to learn. American Society for Engineering Education. [PDF]
116 - Alexander X. Chen, Silpa S. Pazhankave, Jordan A. Bunch, Allison Lim, Kartik Choudhary, Guillermo L. Esparza, Rory Runser, Christian G. Hoover, and Darren J. Lipomi 2023. Adhesive Properties of Semiconducting Polymers: Poly(3- alkylthiophene) as an Ersatz Glue. Chem. Mater. [PDF]
115 - Jiaonan Sun, Ke Ma, Zih-Yu Lin, Yuanhao Tang, Dharini Varadharajan, Alexander X. Chen, Harindi R. Atapattu, Yoon Ho Lee, Ke Chen, Bryan W. Boudouris, Kenneth R. Graham, Darren J. Lipomi, Jianguo Mei, Brett M. Savoie, Letian Dou 2023. Tailoring Molecular-Scale Contact at Perovskite/Polymeric Hole Transporting Material Interface for Efficient Solar Cells. Advanced Materials. [PDF]
114. Andrew T. Kleinschmidt, Alexander X. Chen, Robert S. Ramji, Tod A. Pascal, and Darren J. Lipomi 2023. Decoupling Planarizing and Steric Energetics to Accurately Model the Rigidity of π‑Conjugated Polymers. J. Phys. Chem. B. [PDF]
113. Yifei Luo et al. 2023. Technology Roadmap for Flexible Sensors. ACS Nano. [PDF]
112. Weiliang Yao, Mehdi Chouchane, Wei-Kang Li, Shuang Bai, Zhao Liu, Letian Li, Alexander X. Chen, Baharak Sayahpour, Ryosuke Shimizu, Ganesh Raghavendran, Marshall Schroeder, Yu-Ting Chen, Darren H. S. Tan, Bhagath Sreenarayanan, Crystal K. Waters, Allison Sichler, Benjamin Gould, Dennis.J. Kountz, Darren J Lipomi, Minghao Zhang, and Ying Shirley Meng 2023. A 5V-class Cobalt-free Battery Cathode with High Loading Enabled by Dry Coating. Energy Environ. Sci. [PDF]
111. Guillermo L. Esparza, Moses Kodur, Alexander X. Chen, Benjamin Wang, Jordan A. Bunch, Jaden Cramlet, Rory Runser, David P. Fenning, and Darren J. Lipomi 2023. Solvent-Free Transfer of Freestanding Large-Area Conjugated Polymer Films for Optoelectronic Applications. Advanced Materials. [PDF]
110. Beril Polat, Tarek Rafeedi, Laura Becerra, Alexander X. Chen, Kuanjung Chiang, Vineel Kaipu, Rachel Blau, Patrick P. Mercier, Chung-Kuan Cheng, Darren J. Lipomi External 2023. Measurement of Swallowed Volume During Exercise Enabled by Stretchable Derivatives of PEDOT:PSS, Graphene, Metallic Nanoparticles, and Machine Learning. Advanced Sensor Research. [PDF]
2022
109. Tarek Rafeedi and Darren J. Lipomi 2022. Multiple Pathways to Stretchable Electronics. Science. [PDF]
108. Alexander X. Chen, Jeremy D. Hilgar, Anton A. Samoylov, Silpa S. Pazhankave, Jordan A. Bunch, Kartik Choudhary, Guillermo L. Esparza, Allison Lim, Xuyi Luo,Hu Chen, Rory Runser, Iain McCulloch, Jianguo Mei, Christian Hoover, Adam D. Printz, Nathan A. Romero, and Darren J. Lipomi 2022. Increasing the Strength, Hardness, and Survivability of Semiconducting Polymers by Crosslinking. Adv. Mater. Interfaces. [PDF]
107. Andrew T. Kleinschmidt, Alexander X. Chen, Tod A. Pascal, and Darren J. Lipomi 2022. Computational Modeling of Molecular Mechanics for the Experimentally Inclined. Chem. Mater. [PDF]
106. Rachel Blau, Alexander X. Chen, Beril Polat, Laura L. Becerra, Rory Runser, Beeta Zamanimeymian, Kartik Choudhary, and Darren Lipomi 2022. Intrinsically Stretchable Block Copolymer Based on PEDOT:PSS for Improved Performance in Bioelectronic Applications. ACS Appl. Mater Interfaces. [PDF]
2021
105. Kartik Choudhary, Alexander X Chen, Gregory M. Pitch, Rory Runser, Armando Urbina, Tim J Dunn, Moses Kodur, Andrew T Kleinschmidt, Benjamin G Wang, Jordan A Bunch, David P Fenning, Alexander L Ayzner, and Darren J Lipomi 2021. Comparison of the Mechanical Properties of a Conjugated Polymer Deposited Using Spin Coating, Interfacial Spreading, Solution Shearing, and Spray Coating. ACS Appl. Mater. Interfaces. [PDF]
104. Rory Runser, Moses Kodur, Justin H. Skaggs, Deniz N. Cakan, Juliana B. Foley, Mickey Finn III, David P. Fenning, Darren J Lipomi 2021. Stability of Perovskite Films Encapsulated in Single- and Multi-Layer Graphene Barriers. ACS Appl. Energy Mater. [PDF]
103. Mickey Finn III, Jeremy Treiber, Mahmoud Issa, Christian J. Martens, Colin P. Feeney, Lehna Ngwa, Charles Dhong, Darren J. Lipomi 2021. Survival of polymeric microstructures subjected to interrogatory touch. PLOS ONE. [PDF]
102. Beril Polat, Laura L Becerra, Po-Ya Hsu, Vineel Kaipu, Patrick P Mercier, Chung-Kuan Cheng, Darren J Lipomi 2021. Epidermal Graphene Sensors and Machine Learning for Estimating Swallowed Volume. ACS Appl. Nano Mater. 4:8126-8134. [PDF]
101. Guillermo L. Esparza and Darren J. Lipomi, 2021. Solid-Phase Deposition: Conformal Coverage of Micron-Scale Relief Structures with Stretchable Semiconducting Polymers. 3:988−995. ACS Materials Lett. [PDF]
100. Darren J. Lipomi, 2021. Style Guides and the Garlic, Shallots, and Butter of Scientific Writing. Chemistry of Materials, 33:3865–3867. [PDF]
99. Steven Schara, Rachel Blau, Derek C. Church, Jonathan K. Pokorski, and Darren J. Lipomi, 2021. Polymer Chemistry for Haptics, Soft Robotics, and Human-Machine Interfaces. Advanced Functional Materials. [PDF]
98. Andrew T. Kleinschmidt and Darren J. Lipomi, 2021. Unfavourable interactions enable stability (News & Views). Nature Materials, 20, 447–448. [PDF]
2020
97. Alexander X. Chen, Andrew T. Kleinschmidt, Kartik Choudhary, and Darren Lipomi, 2020. Beyond Stretchability: Strength, Toughness, and Elastic Range in Semiconducting Polymers. Chemistry of Materials, 32:7582-7601. [PDF]
96. Daren J. Lipomi, David P. Fenning, Shyue Ping Ong, Nisarg J. Shah, Andrea R. Tao, and Liangfang Zhang, 2020. Exploring Frontiers in Research and Teaching: NanoEngineering and Chemical Engineering at UC San Diego. ACS Nano, 14:9203-9216. [PDF]
95. Yichen Zhai, Zhijian Wang, Kye-Si Kwon, Shengqiang Cai, Darren J. Lipomi, and Tse Nga Ng, 2020. Printing Multi-Material Organic Haptic Actuators. Advanced Materials, 2002541. [PDF]
94. Julian Ramírez, Beril Polat, and Darren Lipomi, 2020. Metallic Nanoislands on Graphene for Biomechanical Sensing. ACS Omega, 26:15763. [PDF]
93. Julian Ramírez, Armando D. Urbina, Andrew T. Kleinschmidt, Mickey Finn III, Samuel J. Edmunds, Guillermo L. Esparza, and Darren J. Lipomi, 2020. Exploring the limits of sensitivity for strain gauges of graphene and hexagonal boron nitride decorate with metallic nanoislands. Nanoscale, 12:11209. [PDF]
92. Cody W. Carpenter, Marigold G. Malinao, Tarek A. Rafeedi, Daniel Rodriquez, Siew Ting Melissa Tan, Nicholas B. Root, Kyle Skelil, Julian Ramírez, Beril Polat, Samuel E. Root, Vilayanur S. Ramachandran, and Darren J. Lipomi, 2020. Electropneumotactile Stimulation: Multimodal Haptic Actuators Enabled by a Stretchable Conductive Polymer on Inflatable Pockets. 1901119. [PDF]
91. Darren J. Lipomi, 2020. Video for Active and Remote Learning. Trends in Chemistry, 2:483. [PDF]
90. Colin V. Keef, Laure V. Kayser, Stazia Tronboll, Cody W. Carpenter, Nicholas B. Root, Mickey Finn III, Timothy F. O’Connor, Sami N. Abuhamdieh, Daniel M. Davies, Rory Runser, Ying Shirley Meng, Vilayanur S. Ramachandran, and Darren J. Lipomi, 2020. Virtual Texture Generated Using Elastomeric Conductive Block Copolymer in a Wireless Multimodal Haptic Glove. Advanced Intelligent Systems, 2000018. [PDF]
2019
89. Darren J. Lipomi, Charles Dhong, Cody W. Carpenter, Nicholas B. Root, and Vilayanur S. Ramachandran, 2019. Organic Haptics: Intersection of Materials Chemistry and Tactile Perception. Advanced Functional Materials, 1906850. [PDF]
88. Rory Runser, Samuel E. Root, Derick E. Ober, Kartik Choudhary, Alex X. Chen, Charles Dhong, Armando D. Urbina, and Darren J. Lipomi, 2019. Interfacial Drawing: Roll-to-Roll Coating of Semiconducting Polymer and Barrier Films onto Plastic Foils and Textiles. Chemistry of Materials. 31:9078-9086. [PDF]
87. Charles Dhong, Rachel Miller, Nicholas B. Root, Sumit Gupta, Laure V. Kayser, Cody W. Carpenter, Kenneth J. Loh, Vilayanur S. Ramachandran, Darren J. Lipomi, 2019. Role of indentation depth and contact area on human perception of softness for haptic interfaces. Science Advances.5: eaaw8845. [PDF]
86. Elizabeth L. Melenbrink, Kristan M. Hilby, Kartik Choudhary, Sanket Samal, Negar Kazerouni, John Luke McConn, Darren J. Lipomi, and Barry C. Thompson, 2019. Influence of Acceptor Side-Chain Length and Conjugation-Break Spacer Content on the Mechanical and Electronic Properties of Semi-Random Polymers. ACS Applied Polymer Materials. 1:1107-1117. [PDF]
85. Mohammad A. Alkhadra, Andrew T. Kleinschmidt, Samuel E. Root, Daniel Rodriquez, Adam D. Printz, Suchol Savagatrup, and Darren J. Lipomi. Mechanical Properties of Semiconducting Polymers. Chapter in Handbook of Conducting Polymers, Fourth Edition, 2019. Chapter 7, pp. 249-176. Writing of this book chapter received financial support from the Air Force Office of Scientific Research (AFOSR) Award Number: FA9550-19-1-0278. [PDF]
84. Julian Ramírez, Daniel Rodriquez, Armando D. Urbina, Anne M. Cardenas, and Darren J. LIpomi. Combining High Sensitivity and Dynamic Range: Wearable Thin-Film Composite Strain Sensors of Graphene, Ultrathin Palladium, and PEDOT:PSS. ACS Applied Nano Materials. 2019. Vol. 2, pp. 2222-2229. [PDF]
83. Cody W. Carpenter, Siew Ting Melissa Tan, Colin Keef, Kyle Skelil, Marigold Malinao, Daniel Rodriquez, Mohammad A. Alkhadra, Julian Ramírez, and Darren J. Lipomi. Healable thermoplastic for kinesthetic feedback in wearable haptic devices. Sensors and Actuators A 2019. Vol. 288, pp. 79-85. [PDF]
82. Laure V. Kayser and Darren J. Lipomi, 2019. Stretchable Conductive Polymers and Composites Based on PEDOT and PEDOT:PSS. Advanced Materials. 1806133. [PDF]
2018
81. Andrew T. Kleinschmidt and Darren J. Lipomi, 2018. Stretchable Conjugated Polymers: A Case Study in Topic Selection for New Research Groups. Accounts of Chemical Research. 51:3134-3143. [PDF]
80. Elizabeth L. Melenbrink, Kristan M. Hilby, Mohammad A. Alkhadra, Sanket Samal, Darren J. Lipomi, and Barry C. Thompson, 2018. Influence of Systematic Incorporation of Conjugation-Break Spacers into Semi-Random Polymers on Mechanical and Electronic Properties. ACS Applied Materials & Interfaces. 10:32426-32434. [PDF]
79. Charles Dhong, Laure V. Kayser, Ryan Arroyo, Andrew Shin, Mickey Finn III, Andrew T. Kleinschmidt, and Darren J. Lipomi, 2018. Role of fingerprint-inspired relief structures in elastomeric slabs for detecting frictional differences arising from surface monolayers. Soft Matter, 14:7483-7491. [PDF]
78. Daniel Rodriquez, James G. Kohl, Pierre Morel, Kyle Burrows, Grégory Favaro, Samuel E. Root, Julian Ramírez, Mohammad A. Alkhadra, Cody W. Carpenter, Zhuping Fei, Pierre Boufflet, Martin Heeney, and Darren J. Lipomi, 2018. Measurement of Cohesion and Adhesion of Semiconducting Polymers by Scratch Testing: Effect of Side-Chain Length and Degree of Polymerization. ACS Macro Letters, 7:1003-1009. [PDF]
77. Fumitaka Sugiyama, Andrew T. Kleinschmidt, Laure V. Kayser, Daniel Rodriquez, Mickey Finn III, Mohammad A. Alkhadra, Jeremy M.-H. Wan, Julian Ramírez, Andrew S.-C. Chiang, Samuel E. Root, Suchol Savagatrup, and Darren J. Lipomi, 2018. Effects of flexibility and branching of side chains on the mechanical properties of low-bandgap conjugated polymers. Polymer Chemistry, 9:4354-4363. [PDF]
76. Fumitaka Sugiyama, Andrew T. Kleinschmidt, Laure V. Kayser, Mohammad A. Alkhadra, Jeremy M.-H. Wan, Andrew S.-C. Chiang, Daniel Rodriquez, Samuel E. Root, Suchol Savagatrup, and Darren J. Lipomi, 2018. Stretchable and Degradable Semiconducting Block Copolymers. Macromolecules, 51:5944-5949. [PDF]
75. Charles Dhong, Samuel J. Edmunds, Julian Ramírez, Laure V. Kayser, Fang Chen, Jesse V. Jokerst, and Darren J. Lipomi, 2018. Optics-Free, Non-Contact Measurements of Fluids, Bubbles, and Particles in Microchannels Using Metallic Nano-Islands on Graphene. Nano Letters, 18:5306-5311. [PDF]
74. Laure V. Kayser, Madeleine D. Russell, Daniel Rodriquez, Sami N. Abuhamdieh, Charles Dhong, Salik Khan, Alexander N. Stein, Julian Ramírez, and Darren J. Lipomi, 2018. RAFT Polymerization of an Intrinsically Stretchable Water-Soluble Block Copolymer Scaffold for PEDOT. Chemistry of Materials. 30:4459-4468. [PDF]
73. Julian Ramírez, Daniel Rodriquez, Fang Qiao, Julian Warchall, Jasmine Rye, Eden Aklile, Andrew S.-C. Chiang, Brandon C. Marin, Patrick P. Mercier, C. K. Cheng, Katherine A. Hutcheson, Eileen H. Shinn, and Darren J. Lipomi. Metallic Nanoislands on Graphene for Monitoring Swallowing Activity in Head and Neck Cancer Patients. ACS Nano 2018. Vol. 12, pp. 5913-5922. [PDF]
72. Yang Shi, Hanmei Tang, Shengli Jiang, Laure V. Kayser, Mingqian Li, Fang Liu, Fei Ji, Darren J. Lipomi, Shyue Ping Ong, and Zheng Chen. Understanding the Electrochemical Properties of Napthalene Diimide: Implication for Stable and High-Rate Lithium-Ion Battery Electrodes. Chemistry of Materials 2018. Vol. 30. pp. 3508-3517. [PDF]
71. Samuel E. Root, Cody W. Carpenter, Laure V. Kayser, Daniel Rodriquez, Daniel Davies, Shen Wang, Shirley Meng, and Darren J. Lipomi. Ionotactile Stimulation: Nonvolatile Ionic Gels for Haptic Human-Machine Interfaces. ACS Omega 2018. Vol. 3, pp. 662-666. [PDF]
70. Darren J. Lipomi. Organic photovoltaics: Focus on its strengths. Joule 2018. In press. [PDF]
69. Cody W. Carpenter,* Charles Dhong,* Nicholas B. Root,* Daniel Rodriquez, Emily E. Abdo, Kyle Skelil, Mohammad A. Alkhadra, Julian Ramírez, Vilayanur S. Ramachandran, and Darren J. Lipomi. Human ability to discriminate surface chemistry by touch. Materials Horizons 2018. Vol. 5, pp. 70-77. [PDF]
2017
68. Mohammad A. Alkhadra, Samuel E. Root, Kristan M. Hilby, Daniel Rodriquez, Fumitaka Sugiyama, and Darren J. Lipomi. Quantifying the Fracture Behavior of Brittle and Ductile Thin Films of Semiconducting Polymers. Chemistry of Materials 2017. Vol. 29, pp. 10139–10149. [PDF]
67. Ishan D. Joshipura, Mickey Finn III, Siew Ting Melissa Tan, Michael D. Dickey, and Darren J. Lipomi. Stretchable bioelectronic–Current and future. MRS Bulletin 2017. Vol. 42, pp. 960-967. [PDF]
66. Brandon C. Marin, Julian Ramirez, Samuel E. Root, Eden Aklile, and Darren J. Lipomi. Metallic nanoislands on graphene: A metamaterial for chemical, mechanical, optical, and biological applications. Nanoscale Horizons. 2017. Vol. 2, pp. 311-318. [PDF]
65. Mickey Finn, Christian Martens, Aliaksandr V. Zaretski, Berenger Roth, Roar Sondergaard, Frederik C. Krebs, and Darren J. Lipomi. Mechanical stability of roll-to-roll printed solar cells under cyclic bending and torsion. Solar Energy Materials & Solar Cells. 2018, Vol. 174, pp. 5-15. [PDF]
64. Liban Jibril, Julian Ramirez, Aliaksandr Zaretski, and Darren J. Lipomi. Single-Nanowire strain sensors fabricated by nanoskiving. Sensors & Actuators A. Physical 2017. Vol. 263, pp. 702-706. [PDF]
63. Timothy F. O'Connor, Matthew Fach, Rachel Miller, Samuel E. Root, Patrick P. Mercier, and Darren J. Lipomi. The Language of Glove: Wireless gesture decoder with low-power and stretchable hybrid electronics. PLoS One 2017. DOI: 10.1371/journal.pone.0179766. [PDF]
62. Samuel E. Root, Suchol Savagatrup, Adam D. Printz, Daniel Rodriquez, and Darren J. Lipomi. Mechanical Properties of Organic Semiconductors for Stretchable, Highly Flexible, and Mechanically Robust Electronics. Chemical Reviews 2017. Vol. 117, pp. 6467–6499. Editor's Choice, Free Open Access. [PDF]
61. Samuel E. Root,* Mohammad A. Alkhadra,* Daniel Rodriquez, Adam D. Printz, and Darren J. Lipomi. Measuring the Glass Transition Temperature of Conjugated Polymer Films with UV-vis Spectroscopy. Chemistry of Materials 2017, Vol. 29, pp. 2646-2654. *Equal contribution. [PDF]
60. Daniel Rodriquez, Jae-Han Kim, Samuel E. Root, Zhuping Fe, Pierre Boufflet, Martin Heeney, Taek-Soo Kim,* and Darren J. Lipomi.* Comparison of methods for determining the mechanical properties of semiconducting polymer films for stretchable electronics. ACS Applied Materials & Interfaces 2017, Vol. 9, pp. 8855-8862. [PDF]
59. Brandon C. Marin, Samuel E. Root, Armando Urbina, Eden Aklile, Rachel Miller, Aliaksandr V. Zaretski, and Darren J. Lipomi. Graphene-metal composite sensors with near-zero temperature coefficient of resistance. ACS Omega 2017. Vol. 2, pp. 626-630. [PDF]
58. Darren J. Lipomi and Zhenan Bao. Stretchable and ultra-flexible organic electronics. MRS Bulletin 2017. Vol. 42, pp. 93-97. [PDF]
57. Brandon C. Marin, Justin Liu, Eden Aklile, Armando Uribina, Andrew S-C. Chiang, Natalie Lawrence, Shaochen Chen, and Darren J. Lipomi. SERS-Enhanced piezoplasmonic graphene composite for biological and structural strain mapping. Nanoscale 2017. Vol. 9, pp. 1292-1298. [PDF]
56. Samuel E. Root, Nicholas Jackson, Suchol Savagatrup, Gaurav Arya, and Darren J. Lipomi. Modelling the morphology and thermomechanical behaviour of low-bandgap conjugated polymers and bulk heterojunction films Energy & Environmental Science 2017, Vol. 10, pp. 558-569. Selected by the editors as a HOT Article for 2017. Open-source code can be found at this site maintained by Sam Root. [PDF]
55. Andrew T. Kleinschmidt, Samuel E. Root, and Darren J. Lipomi. Poly(3-hexylthiophene) (P3HT): Fruit Fly or Outlier in Organic Solar Cell Research? Journal of Materials Chemistry A 2017, Vol. 5, pp. 11396-11400. Invited for Emerging Investigators Issue. [PDF]
54. Suchol Savagatrup, Adam D. Printz, Timothy F. O'Connor, Insik Kim, and Darren J. Lipomi. Efficient Characterization of Bulk Heterojunction Films by Mapping Gradients by Reversible Contact with Liquid Metal Top Electrodes. Chemistry of Materials 2017, Vol. 29, pp. 389-398. [PDF]
2016
53. Suchol Savagatrup, Xikang Zhao, Esther Chan, Jianguo Mei, and Darren J. Lipomi. Effect of Broken Conjugation on the Stretchability of Semiconducting Polymers. Macromolecular Rapid Communications 2016, Vol. 37, pp. 1623-1628. [PDF]
52. Daniel Rodriquez, Suchol Savagatrup, Eduardo Valle, Christopher M. Proctor, Caitlin McDowell, Guillermo C. Bazan, Thuc-Quyen Nguyen, and Darren J. Lipomi. Mechanical Properties of Solution-Processed Small-Molecule Semiconductor Films. ACS Applied Materials & Interfaces 2016, Vol. 8, pp. 11649–11657. [PDF]
51. Adam D. Printz and Darren J. Lipomi. Competition between Deformability and Charge Transport in Semiconducting Polymers for Flexible and Stretchable Electronics. Applied Physics Reviews 2016, Vol. 3, pp. 021302. [PDF]
50. Timothy F. O'Connor, Suchol Savagatrup, and Darren J. Lipomi. Soft power: Stretchable and ultra-flexible energy sources for wearable and implantable devices. Invited for: Stretchable Bioelectronics for Medical Devices and Systems. John A. Rogers, Dae-Hyeong Kim, and Roozbeh Ghaffari, Editors. Springer, 2016. [PDF]
49. Samuel E. Root, Suchol Savagatrup, Christopher J. Pais, Gaurav Arya, and Darren J. Lipomi. Predicting the Mechanical Properties of Organic Semiconductors Using Coarse-Grained Molecular Dynamics Simulations. Macromolecules 2016, Vol. 49, pp. 2886-2894. [PDF]
48. Adam D. Printz, Andrew S.-C. Chiang, Suchol Savagatrup, and Darren J. Lipomi. Fatigue in Organic Semiconductors: Spectroscopic Evolution of Microstructure due to Cyclic Loading in Poly(3-Heptylthiophene). Synthetic Metals 2016, Vol. 217, pp. 144-151. [PDF]
47. Eric J. Sawyer, Aliaksandr V. Zaretski, Adam D. Printz, Nathaniel V. de los Santos, Alejandra Bautista-Gutierrez, and Darren J. Lipomi. Large Increase in Stretchability of Organic Electronic Materials by Encapsulation. Extreme Mechanics Letters 2016, Vol. 8, pp. 78-87. [PDF]
46. Bérenger Roth,† Suchol Savagatrup,† Nathaniel De Los Santos, Ole Hagemann, Jon E. Carlé, Martin Helgesen, Francesco Livi, Eva Bundgaard, Roar R. Søndergaard, Frederik C. Krebs, and Darren J. Lipomi. Mechanical Properties of a Library of Low-Bandgap Polymers. Chemistry of Materials 2016, Vol. 28, pp. 2363-2373. †Equal contribution. [PDF]
45. Aliaksandr V. Zaretski, Samuel E. Root, Alex Savchenko, Elena Molokanova, Adam D. Printz, Liban Jibril, Gaurav Arya, Mark Mercola, and Darren J. Lipomi. Metallic Nanoislands on Graphene as Highly Sensitive Transducers of Mechanical, Biological, and Optical Signals. Nano Letters 2016, Vol. 16, pp. 1375-1380. [PDF]
44. Darren J. Lipomi. Stretchable Figures of Merit for Deformable Electronics. Advanced Materials. 2016. Vol. 28, pp. 4180-4183. [PDF]
43. Timothy F. O’Connor, Aliaksandr V. Zaretski, Suchol Savagatrup, Adam D. Printz, Cameron D. Wilkes, Mare Ivana Diaz, Eric J. Sawyer, and Darren J. Lipomi. Wearable organic solar cells with high cyclic bending stability: Materials selection criteria. Solar Energy Materials and Solar Cells 2016, Vol. 144, pp. 438-444. [PDF]
2015
42. Adam D. Printz, Aliaksandr V. Zaretski, Suchol Savagatrup, Andrew S-C. Chiang, and Darren J. Lipomi. Yield point of semiconducting polymer films on stretchable substrates determined by onset of buckling. ACS Applied Materials & Interfaces 2015, Vol. 7, pp. 23257-23264. [PDF]
41. Suchol Savagatrup, Daniel Rodriquez, Adam D. Printz, Alexander B. Sieval, Jan C. Hummelen, and Darren J. Lipomi. [70]PCBM and incompletely separated grades of methanofullerenes produce bulk heterojunctions with increased robustness for ultra-flexible and stretchable electronics. Chemistry of Materials 2015, Vol. 27, pp. 3902-3911. [PDF]
40. Aliaksandr V. Zaretski and Darren J. Lipomi. Processes for non-destructive transfer of graphene: widening the bottleneck for industrial scale production. Nanoscale 2015, Vo. 7, pp. 9963-9969. [PDF]
39. Timothy F. O'Connor, Kirtana M. Rajan, Adam D. Printz, and Darren J. Lipomi. Toward organic electronics with properties inspired by biological tissue. Journal of Materials Chemistry B 2015, Vol. 3, pp. 4947-4952 (see article for image credits). [PDF]
38. Suchol Savagatrup,† Adam D. Printz,† Haosheng Wu, Kirtana M. Rajan, Eric J. Sawyer, Aliaksandr V. Zaretski, Christopher J. Bettinger, and Darren J. Lipomi. Viability of stretchable poly(3-heptylthiophene) (P3HpT) for organic solar cells and field-effect transistors. Synthetic Metals 2015, Vol. 203, pp. 208-214. †Equal contribution. [PDF]
37. Aliaksandr V. Zaretski, Herad Moetazedi, Casey Kong, Eric J. Sawyer, Suchol Savagatrup, Eduardo Valle, Timothy F. O’Connor, Adam D. Printz, and Darren J. Lipomi. Metal-assisted exfoliation (MAE): Green, roll-to-roll compatible method for transferring graphene to flexible substrates. Nanotechnology 2015, Vol. 26, pp. 045301. [PDF]
36. Aliaksandr V. Zaretski, Brandon C. Marin, Herad Moetazedi, Tyler J. Dill, Liban Jibril, Casey Kong, Andrea R. Tao, and Darren J. Lipomi. Using the Thickness of Graphene to Template Lateral Sub-Nanometer Gaps between Gold Nanostructures. Nano Letters 2015. Vol. 15, pp. 635-640. [PDF]
35. Suchol Savagatrup, Esther Chan, Sandro M. Renteria-Garcia, Adam D. Printz, Aliaksandr V. Zaretski, Timothy F. O’Connor, Daniel Rodriquez, Eduardo Valle, and Darren J. Lipomi. Plasticization of PEDOT:PSS by common additives for mechanically robust organic solar cells and wearable sensors. Advanced Functional Materials 2015. Vol. 25, pp. 427-436. [PDF]
34. Adam D. Printz, Suchol Savagatrup, Daniel Rodriquez, and Darren J. Lipomi, 2014. Role of molecular mixing on the stiffness of polymer:fullerene bulk heterojunction films. Solar Energy Materials and Solar Cells 2015, Vol. 134, pp. 64-72. [PDF]
33. Suchol Savagatrup, Adam D. Printz, Timothy F. O’Connor, Aliaksandr V. Zaretski, Daniel Rodriquez, Eric J. Sawyer, Kirtana M. Rajan, Raziel I. Acosta, Samuel E. Root, and Darren J. Lipomi. Mechanical degradation and stability of organic solar cells: molecular and microstructural determinants. Energy & Environmental Science 2015, Vol. 8, pp 55-80. [PDF]
2014
32. Eric J. Sawyer, Suchol Savagatrup, Timothy F. O’Connor, Aditya S. Makaram, Daniel J. Burke, Aliaksandr V. Zaretski, Adam D. Printz, and Darren J. Lipomi. Toward intrinsically stretchable organic semiconductors: mechanical properties of high-performance conjugated polymers. Proc. SPIE 2014, Vol. 9185, pp. 91850U-1–91850U-6. [PDF]
31. See publications at Stanford. [PDF]
30. Suchol Savagatrup, Adam D. Printz, Timothy F. O'Connor, Aliaksandr V. Zaretski, and Darren J. Lipomi "Molecularly Stretchable Electronics" Chemistry of Materials 2014, Vol. 26, pp. 3028-3041. Invited for "Up-and-Coming" researcher series. [PDF]
29. Suchol Savagatrup,† Adam D. Printz,† Daniel Rodriquez, and Darren J. Lipomi "Best of Both Worlds: Conjugated Polymers Exhibiting Good Photovoltaic Properties and High Tensile Elasticity" Macromolecules 2014, Vol. 47, pp. 1981-1992. †Equal contribution. [PDF]
28. Adam D. Printz,† Suchol Savagatrup,† Daniel J. Burke, Trevor N. Purdy, and Darren J. Lipomi "Increased Elasticity of a Low-Bangap Conjugated Polymer by Random Segmentation for Mechanically Robust Solar Cells" RSC Advances 2014, Vol. 4, pp. 13635-13643. †equal contribution. [PDF]
27. Suchol Savagatrup, Aditya S. Makaram, Daniel J. Burke, and Darren J. Lipomi "Mechanical Properties of Conjugated Polymers and Polymer-Fullerene Composites as a Function of Molecular Structure" Advanced Functional Materials 2014, Vol. 24, pp. 1169-1181. [PDF]
26. Timothy F. O’Connor, Aliaksandr V. Zaretski, Bijan A. Shiravi, Suchol Savagatrup, Adam D. Printz, Mare Ivana Diaz, and Darren J. Lipomi "Stretching and Conformal Bonding of Organic Solar Cells to Non-Planar Substrates" Energy and Environmental Science 2014, Vol. 7, pp. 370-378. [PDF]
2013
25. Adam D. Printz, Esther Chan, Celine Liong, Rene Martinez, and Darren J. Lipomi "Photoresist-Free Patterning by Mechanical Abrasion of Water-Soluble Lift-Off Resists and Bare Substrates: Toward Green Fabrication of Transparent Electrodes" PLoS One 2013, Vol. 8, pp. e83939. [PDF]
24. Daniel J. Burke and Darren J. Lipomi "Green Chemistry for Organic Solar Cells" Energy and Environmental Science 2013, Vol. 6, pp. 2053-2066. [PDF]
