Publications at UC San Diego

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2017

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. DOI: 10.1039/C7NH00095B

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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.

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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

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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

Comment: Cultural considerations and terminology surrounding American Sign Language in materials research.

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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

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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

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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

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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

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58. Darren J. Lipomi and Zhenan Bao. Stretchable and ultra-flexible organic electronics. MRS Bulletin 2017. Vol. 42, pp. 93-97. PDF

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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

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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. PDF. Selected by the editors as a HOT Article for 2017. Open-source code can be found at this site maintained by Sam Root.

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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44. Darren J. Lipomi. Stretchable Figures of Merit for Deformable Electronics. Advanced Materials. 2016. Vol. 28, pp. 4180-4183. PDF

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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pu2014

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.

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

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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

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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

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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

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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

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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

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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

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