Publications from Organic Photovoltaics Thrust

  1. Li, C.-Z.; Liang, P.-W.; Sulas, D. B.; Nguyen, P.; Li, X.; Ginger, D. S.; Schlenker, C. W.; Jen, A. K.-Y. “Modulate Hybrid Organic–Perovskite Photovoltaic Performance by Controlling the Excited Dynamics of FullerenesMater. Horiz., In Press, 2015.
  2. Williams, S. T.; Chueh, C.-C.; Jen, A. K.-Y. “Navigating Organo-Lead Halide Perovskite Phase Space via Nucleation Kinetics toward a Deeper Understanding of Perovskite Phase Transformations and Structure–Property RelationshipsSmall, In Press, 2015.
  3. Tsai, K.-W.; Chueh, C.-C.; Williams, S. T.; Wen, T.-C.; Jen, A. K.-Y. “High-Performance Hole-Transporting Layer-Free Conventional Perovskite/Fullerene Heterojunction Thin-Film Solar CellsJ. Mater. Chem. A, In Press, 2015.
  4. Zang, Y.; Xu, Y.; Chueh, C.-C.; Li, C.-Z.; Chen, H.-C.; Wei, K.-H.; Yu, J.; Jen, A. K.-Y. “Photovoltaic Performance of Ladder-type Indacenodithieno[3,2-b]thiophene-Based Polymers with Alkoxyphenyl Side ChainsRSC Adv., In Press, 2015.
  5. Liu, S.-Y.; Wu, C.-H.; Li, C.-Z.; Liu, S.-Q.; Wei, K.-H.; Chen, H.-Z.; Jen, A. K.-Y. “A Tetraperylene Diimides Based 3D Nonfullerene Acceptor for Efficient Organic PhotovoltaicsAdv. Sci., In Press, 2015.
  6. Liang, P.-W.; Chueh, C.-C.; Williams, S. T.; Jen, A. K.-Y. “Roles of Fullerene-Based Interlayers in Enhancing the Performance of Organometal Perovskite Thin-Film Solar CellsAdv. Energy Mater., In Press, 2015.
  7. Li, C.-Z.; Yip, H.-L.; Jen, A. K.-Y. “Interfacial Materials for Efficient Solution Processable Organic Photovoltaic Devices, in Progress in High-Efficient Solution Process Organic Photovoltaic DevicesSpringer, 2015.
  8. Zhao, B.; Li, C.-Z.; Liu, S.-Q.; Richards, J. J.; Chueh, C.-C.; Ding, F.; Pozzo, L. D.; Li, X.; Jen, A. K.-Y. “A Conductive Liquid Crystal via Facile Doping of an n-Type Benzodifurandione DerivativeJ. Mater. Chem. A, In Press, 2015.
  9. Chueh, C.-C.; Li, C.-Z.; Jen, A. K.-Y. “Recent Progress and Perspective in Solution-Processed Interfacial Materials for Efficient and Stable Polymer and Organometal Perovskite Solar CellsEnergy Environ. Sci., In Press, 2015.
  10. Zhang, J.; Li, C.-Z.; Williams, S. T.; Liu, S.; Zhao, T.; Jen, A. K.-Y. “Crystalline Co-assemblies of Functional Fullerenes in Methanol with Enhanced Charge TransportJ. Am. Chem. Soc., 137, 2167-2170, 2015.
  11. Yao, K.; Xin, X.-K.; Chueh, C.-C.; Chen, K.-S.; Xu, Y.-X.; Jen, A. K.-Y. “Enhanced Light-Harvesting by Integrating Synergetic Microcavity and Plasmonic Effects for High-Performance ITO-Free Flexible Polymer Solar CellsAdv. Funct. Mater., 25, 567-574, 2015.
  12. Kim, J. H.; Liang, P.-W.; Williams, S. T.; Cho, N.; Chueh, C.-C.; Glaz, M. S.; Ginger, D. S.; Jen, A. K.-Y. “High-Performance and Environmentally Stable Planar Heterojunction Perovskite Solar Cells Based on a Solution-Processed Copper-Doped Nickel Oxide Hole-Transporting LayerAdv. Mater., 4, 695-701, 2015.
  13. Kim, J. H.; Williams, S. T.; Cho, N.; Chueh, C.-C.; Jen, A. K.-Y. “Enhanced Environmental Stability of Planar Heterojunction Perovskite Solar Cells Based on Blade-CoatingAdv. Energy Mater., 5, 1401229, 2015.
  14. Chueh, C.-C.; Liao, C.-Y.; Zuo, F.; Williams, S. T.; Liang, P.-W.; Jen, A. K.-Y. “The Roles of Alkyl Halide Additives in Enhancing Perovskite Solar Cell PerformanceJ. Mater. Chem. A, In Press, 2015.
  15. Liang, P.-W.; Chueh, C.-C.; Xin, X.-K.; Zuo, F.; Williams, S. T.; Liao, C.-Y.; Jen, A. K.-Y. “High-Performance Planar-Heterojunction Solar Cells Based on Ternary Halide Large-Band-Gap PerovskitesAdv. Energy Mater., 5, 1400960, 2015.
  16. Wojciechowski, K.; Stranks, S. D.; Abate, A.; Sadoughi, G.; Sadhanala, A.; Kopidakis, N.; Rumbles, G.; Li, C.-Z.; Friend, R. H.; Jen, A. K.-Y.; Snaith, H. J. “Heterojunction Modification for Highly Efficient Organic-Inorganic Perovskite Solar CellsACS Nano, 8, 12701-12709, 2014.
  17. Jung, J. W.; Williams, S. T.; Jen, A. K.-Y. “Low-Temperature Processed High-Performance Flexible Perovskite Solar Cells via Rationally Optimized Solvent Washing TreatmentRSC Advances, 4, 62971-62977, 2014.
  18. Li, Z.; Zang, Y.; Chueh, C.-C.; Cho, N.; Lu, J.; Wang, X.; Huang, J.; Li, C.-Z.; Yu, J.; Jen, A. K.-Y. “Tetrathienodibenzocarbazole Based Donor–Acceptor Type Wide Band-Gap Copolymers for Polymer Solar Cell ApplicationsMacromolecules, 47, 7407-7415, 2014.
  19. Williams, S. T.; Zuo, F.; Chueh, C.-C.; Liao, C.-Y.; Liang, P.-W.; Jen, A. K.-Y. “Role of Chloride in the Morphological Evolution of Organo-Lead Halide Perovskite Thin FilmsACS Nano, 8, 10640-10654, 2014.
  20. Yun, H. J.; Jung, D. Y.; Lee, D. K.; Jen, A. K.-Y.; Kim, J. H. “Panchromatic Quasi-Solid-State Squaraine Dye Sensitized Solar Cells Enhanced by Förster Resonance Energy Transfer of DCM-pyranDyes Pigment, 113, 675-681, 2014.
  21. Zuo, L.; Chueh, C.-C.; Xu, Y.-X.; Chen, K.-S.; Zang, Y.; Li, C.-Z.; Chen, H.; Jen, A. K.-Y. “Microcavity-Enhanced Light-Trapping for Highly Efficient Organic Parallel Tandem Solar CellsAdv. Mater., 26, 6778-6784, 2014.
  22. Zuo, F.; Williams, S. T.; Liang, P.-W.; Chueh, C.-C.; Liao, C.-Y.; Jen, A. K.-Y. “Binary-Metal Perovskites Toward High-Performance Planar-Heterojunction Hybrid Solar CellsAdv. Mater.,26, 6454-6460, 2014.
  23. Li, C.-Z.; Chang, C.-Y.; Zang, Y.; Ju, H.-X.; Chueh, C.-C.; Liang, P.-W.; Cho, N.; Ginger, D. S.; Jen, A. K.-Y. “Suppressed Charge Recombination in Inverted Organic Photovoltaics via Enhanced Charge Extraction by Using a Conductive Fullerene Electron Transport LayerAdv. Mater., 26, 6262-6267, 2014.
  24. Karatay, D. U.; Salvador, M.; Yao, K.; Jen, A. K.-Y.; Ginger, D. S. “Performance limits of plasmon-enhanced organic photovoltaicsAppl. Phys. Lett., 105, 033304, 2014.
  25. Zang, Y.; Li, C.-Z.; Chueh, C.-C.; Williams, S. T.; Jiang, W.; Wang, Z.-H.; Yu, J.-S.; Jen, A. K.-Y. “Integrated Molecular, Interfacial, and Device Engineering towards High-Performance Non-Fullerene Based Organic Solar CellsAdv. Mater., 26, 5708-5714, 2014.
  26. O’Malley, K. M.; Yip, H.-L.; Jen, A. K.-Y. “ Metal Oxide Interlayers for Polymer Solar Cells, in Organic Photovoltaics: Materials, Device Physics, and Manufacturing TechnologiesWiley-VCH, 2014.
  27. Liu, S.-Y.; Liu, W.-Q.; Xu, J.-Q.; Fan, C.-C.; Fu, W.-F.; Ling, J.; Wu, J.-Y.; Shi, M.-M.; Jen, A. K.-Y.; Chen, H.-Z. “Pyrene and Diketopyrrolopyrrole-Based Oligomers Synthesized via Direct Arylation for OSC ApplicationsACS Appl. Mater. Interfaces, 6, 6765-6775, 2014.
  28. Wu, C.-H.; Chin, C.-Y.; Chen, T.-Y.; Guo, T.-F.; Lee, C.-H.; Lin, T.-L.; Jen, A. K.-Y.; Wen, T.-C. “Significance of ions with an ordered arrangement for enhancing the electron injection/extraction in polymer optoelectronic devicesJ. Mater. Chem. C, 2, 4805-4811, 2014.
  29. Cho, N,; Schlenker, C. W.; Knesting, K. M.; Koelsch, P.; Yip, H.-L.; Ginger, D. S.; Jen, A. K.-Y. “High-Dielectric Constant Side-Chain Polymers Show Reduced Non-Geminate Recombination in Heterojunction Solar CellsAdv. Energy Mater., 4, 1301857, 2014.
  30. Liang, P.-W.; Liao, C.-Y.; Chueh, C.-C.; Zuo, F.; Williams, S. T.; Xin, X.-K.; Lin, J.; Jen, A. K.-Y. “Additive Enhanced Crystallization of Solution-Processed Perovskite for Highly Efficient Planar-Heterojunction Solar CellsAdv. Mater., 26, 3748-3754, 2014.
  31. Yao, K.; Salvador, M.; Chueh, C.-C.; Xin, X.-K.; Xu, Y.-X.; deQuilettes, D. W.; Hu, T.; Chen, Y.; Ginger, D. S.; Jen, A. K.-Y. “A General Route to Enhance Polymer Solar Cell Performance using Plasmonic NanoprismsAdv. Energy Mater., 4, 1400206, 2014.
  32. Zou, J.; Li, C.-Z.; Chang, C.-Y.; Yip, H.-L.; Jen, A. K.-Y. “Interfacial Engineering of Ultrathin Metal Film Transparent Electrode for Flexible Organic Photovoltaic CellsAdv. Mater., 26, 3618-3623, 2014.
  33. Chen, K.-S.; Yip, H.-L.; Salinas, J.-F.; Xu, Y.-X.; Chueh, C.-C.; Jen, A. K.-Y. “Strong Photocurrent Enhancements in Highly Efficient Flexible Organic Solar Cells by Adopting a Microcavity ConfigurationAdv. Mater., 26, 3349-3354, 2014.
  34. Li, Y.; Yao, K.; Yip, H.-L.; Ding, F.-Z.; Xu, Y.-X.; Li, X.; Chen, Y.; Jen, A. K.-Y. “Eleven-Membered Fused-Ring Low Band-Gap Polymer with Enhanced Charge Carrier Mobility and Photovoltaic PerformanceAdv. Funct. Mater., 24, 3631-3638, 2014.
  35. Tsai, K.-W.; Guo, T.-F.; Jen, A. K.-Y.; Wen, T.-C. “Role of self-assembled tetraoctylammonium bromide on various conjugated polymers in polymer light-emitting diodesJ. Mater. Chem. C, 2, 272-276, 2014.
  36. Chang, C.-Y.; Zuo, L.; Yip, H-L.; Li, C.-Z.; Li, Y.; Hsu, C.-S.; Cheng, Y.-J.; Chen, H.; Jen, A. K.-Y. “Highly Efficient Polymer Tandem Cells and Semitransparent Cells for Solar EnergyAdv. Energy Mater., 4, 1301645, 2014.
  37. Cho, N.; Li, C.-Z.; Yip, H.-L.; Jen, A. K.-Y. “In-situ Doping and Crosslinking of Fullerenes to Form Efficient and Robust Electron-Transporting Layer for Polymer Solar CellsEnergy Environ. Sci., 7, 638-643, 2014.
  38. Intemann, J. J.; Yao, K.; Li, Y.-X.; Yip, H.-L.; Xu, Y.-X.; Liang, P.-W.; Chueh, C.-C.; Ding, F.-Z.; Yang, X.; Li, X.; Chen, Y.; Jen, A. K.-Y. “Highly Efficient Inverted Organic Solar Cells Through Material and Interfacial Engineering of Indacenodithieno[3,2-b]thiophene-Based Polymers and DevicesAdv. Funct. Mater., 24, 1465-1473, 2014.
  39. Chueh, C.-C.; Yao, K.; Yip, A.; Chang, C.-Y.; Xu, Y.-X.; Chen, K.-S.; Li, C.-Z.; Huang, F.; Chen, Y.; Chen, W.-C.; Jen, A. K.-Y. “Non-Halogenated Solvents for Environmental Friendly Processing of High-performance Bulk-Heterojunction Polymer Solar CellsEnergy Environ. Sci., 6, 3241-3248, 2013.
  40. Chang, C.-Y.; Zuo, L.; Yip, H.-L.; Li, Y.; Li, C.-Z.; Hsu, C.-S.; Cheng, Y.-J.; Chen, H.; Jen, A. K.-Y. “A Versatile Fluoro-Containing Low-Bandgap Polymer for Efficient Semitransparent and Tandem Polymer Solar CellsAdv. Funct. Mater., 23, 5084-5090, 2013.
  41. Rao, A.; Chow, P. C. Y.; Gelinas, S.; Schlenker, C. W.; Li, C.-Z.; Yip, H.-L.; Jen, A. K.-Y.; Ginger, D. S.; Friend, R. H. “The role of spin in the kinetic control of recombination in organic photovoltaicsNature, 500, 435-439, 2013.
  42. Xu, Y.-X.; Chueh, C.-C.; Yip, H.-L.; Chang, C.-Y.; Liang, P.-W.; Intemann, J. J.; Chen, W.-C.; Jen, A. K.-Y. “Indacenodithieno[3,2-b]thiophene-based broad bandgap polymers for high efficiency polymer solar cellsPolym. Chem., 4, 5220-5223, 2013.
  43. Intemann, J. J.; Yao, K.; Yip, H.-L.; Xu, Y.-X.; Li, Y.-X.; Liang, P.-W.; Ding, F.-Z.; Li, X.; Jen, A. K.-Y. “Molecular Weight Effect on the Absorption, Charge Carrier Mobility, and Photovoltaic Performance of an Indacenodiselenophene-Based Ladder-Type PolymerChem. Mater., 25, 3188-3195, 2013.
  44. Abrusci, A.; Stanks, S. D.; Docampo, P.; Yip, H.-L.; Jen, A. K.-Y.; Snaith, H. J. “High-Performance Perovskite-Polymer Hybrid Solar Cells via Electronic Coupling with Fullerene MonolayersNano Lett., 13, 3124-3128, 2013.
  45. Cho, N.; Yip, H.-L.; Jen, A. K.-Y. “Morphology evolution by controlling solvent-solute interactions using a binary solvent in bulk heterojunction solar cellsAppl. Phys. Lett., 102, 233903, 2013.
  46. Li, Y.; Zou, J.; Yip, H.-L.; Li, C.-Z.; Zhang, Y.; Chueh, C.-C.; Intemann, J.; Xu, Y.; Liang, P.-W.; Chen, Y.; Jen, A. K.-Y. “Side-Chain Effect on Cyclopentadithiophene/Fluorobenzothiadiazole-Based Low Band Gap Polymers and Their Applications for Polymer Solar CellsMacromolecules, 46, 5497-5503, 2013.
  47. Ji, W.; Jing, P.; Yuan, X.; Wang, Y.; Zhao, J.; Jen, A. K.-Y. “High color purity ZnSe/ZnS core/shell quantum dot based blue light emitting diodes with an inverted device structureAppl. Phys. Lett., 103, 053106, 2013.
  48. Li, C.-Z.; Chueh, C.-C.; Ding, F.; Yip, H.-L.; Liang, P.-W.; Li, X.; Jen, A. K.-Y. “Doping of Fullerenes via Anion-Induced Electron Transfer and Its Implication for Surfactant Facilitated High Performance Polymer Solar CellsAdv. Mater., 25, 4425-4430, 2013.
  49. Liu, S.-Y.; Shi, M.-M.; Huang, J.-C.; Jin, Z.-N.; Hu, X.-L.; Pan, J.-Y.; Li, H.-Y.; Jen, A. K.-Y.; Chen, H.-Z. “C–H activation: making diketopyrrolopyrrole derivatives easily accessibleJ. Mater. Chem. A, 1, 2795-2805, 2013.
  50. Yang, J.; Yip, H.-L.; Jen, A. K.-Y. “Rational Design of Advanced Thermoelectric MaterialsAdv. Energy Mater., 3, 549-565, 2013.
  51. Li, C.-Z.; Chueh, C.-C.; Yip, H.-L.; Ding, F.; Li, X.; Jen, A. K.-Y. “Solution-Processible Highly Conducting FullerenesAdv. Mater., 25, 2457-2461, 2013.
  52. Yang, X.; Chueh, C.-C.; Li, C.-Z.; Yip, H.-L.; Yin, p.; Chen, H.; Chen, W.-C.; Jen, A. K.-Y. “High-Efficiency Polymer Solar Cells Achieved by Doping Plasmonic Metallic Nanoparticles into Dual Charge Selecting Interfacial Layers to Enhance Light TrappingAdv. Energy Mater., 3, 666-673, 2013.
  53. Chueh, C.-C.; Chien, S.-C.; Yip, H.-L.; Salinas, J. F.; Li, C.-Z.; Chen, K.-S.; Chen, F.-C.; Chen, W.-C.; Jen, A. K.-Y. “Toward High-Performance Semi-Transparent Polymer Solar Cells: Optimization of Ultra-Thin Light Absorbing Layer and Transparent Cathode ArchitectureAdv. Energy Mater., 3, 417-423, 2013.
  54. Liu, S.-Y.; Shi, M.-M.; Huang, J.-C.; Jin, Z.-N.; Hu, X.-L.; Pan, J.-Y.; Li, H.-Y.; Jen, A. K.-Y.; Chen, H.-Z. “C–H activation: making diketopyrrolopyrrole derivatives easily accessibleJ. Mater. Chem. A, 1, 2795-2805, 2013.
  55. Wu, C.-H.; Chin, C.-Y.; Chen, T.-Y.; Hsieh, S.-N.; Lee, C.-H.; Guo, T.-F.; Jen, A. K.-Y.; Wen, T.-C. “Enhanced performance of polymer solar cells using solution-processed tetra-n-alkyl ammonium bromides as electron extraction layersJ. Mater. Chem. A, 1, 2582-2587, 2013.
  56. Tsai, K.-W.; Hsieh, S.-N.; Guo, T.-F.; Hsu, Y.-J.; Jen, A. K.-Y.; Wen, T.-C. “Enhancing the hole injection ability of indium tin oxide via ammonium salts in polymer light-emitting diodesJ. Mater. Chem. C, 1, 531-535, 2013.
  57. Schlenker, C. W.; Chen, K-S.; Yip, H.-L.; Li, C.-Z.; Bradshaw, L. R.; Ochsenbein, S. T.; Ding, F.; Li, X. S.; Gamelin, D. R.; Jen, A. K.-Y.; Ginger, D. S. “Polymer Triplet Energy Levels Need Not Limit Photocurrent Collection in Organic Solar CellsJ. Am. Chem. Soc., 134, 19661-19668, 2012.
  58. Salinas, J.-F.; Yip, H.-Y.; Chueh, C.-C.; Li, C.-Z.; Maldonado, J.-L.; Jen, A. K.-Y. “Optical Design of Transparent Thin Metal Electrodes to Enhance In-Coupling and Trapping of Light in Flexible Polymer Solar CellsAdv. Mater., 24, 6362-6367, 2012.
  59. Xu, Y.-X.; Chueh, C.-C.; Yip, H.-L.; Ding, F.-Z.; Li, Y.-X.; Li, C.-Z.; Li, X.; Chen, W.-C.; Jen, A. K.-Y. “Improved Charge Transport and Absorption Coefficient in Indacenodithieno[3,2-b]thiophene-based Ladder-Type Polymer Leading to Highly Efficient Polymer Solar CellsAdv. Mater., 24, 6356-6361, 2012.
  60. Chen, K.-S.; Salinas, J.-F.; Yip, H.-L.; Huo, L.; Hou, J.; Jen, A. K.-Y. “Semi-transparent Polymer Solar Cells with 6% PCE, 25% Average Visible Transmittance and a Color Rendering Index Close to 100 for Power Generating Window ApplicationsEnergy Environ. Sci., 5, 9551-9557, 2012. (Chosen as “Hot” EES article).
  61. Chen, K.-S.; Yip, H.-L.; Schlenker, C. W.; Ginger, D. S.; Jen, A. K.-Y. “Halogen-free Solvent Processing for Sustainable Development of High Efficiency Organic Solar CellsOrg. Electron., 13, 2870-2878, 2012.
  62. Zhang, Y.; Zou, J.; Chueh, C.-C.; Yip, H.-L.; Jen, A. K.-Y. “Significant Improved Performance of Photovoltaic Cells Made from a Partially Fluorinated Cyclopentadithiophene/Benzothiadiazole Conjugated PolymerMacromolecules45, 5427-5435, 2012.
  63. Li, C.-Z.; Chueh, C.-C.; Yip, H.-L.; Chen, W.-C.; Jen, A. K.-Y. “Evaluation of Structure/Property Relationships of Solution-Processible Fullerene Acceptors and their n-Channel Field-Effect Transistor PerformanceJ. Mater. Chem., 22, 14976-14981, 2012.
  64. Grancini, G.; Kumar, R. S. S.; Abrusci, A; Yip, H.-L.; Li, C.-Z.; Jen, A. K.-Y.; Lanzani, G.; Snaith, H. J. “Boosting Infrared Light Harvesting by Molecular Functionalization of Metal Oxide/Polymer Interfaces in Efficient Hybrid Solar CellsAdv. Funct. Mater., 22, 2160-2166, 2012.
  65. Zou, J; Yip, H.-L.; Zhang, Y.; Gao, Y.; Chien, S.-C.; O’Malley, K. M.; Chueh, C.-C.; Chen, H.; Jen, A. K.-Y. “High Performance Inverted Polymer Solar Cells: Device Characterization, Optical Modeling, and Hole-Transporting ModificationsAdv. Funct. Mater., 22, 2804-2811, 2012.
  66. Li, C.-Z., Chueh, C.-C., Yip, H.-L.; O’Malley K. M.; Chen, W.-C.; Jen, A. K.-Y. “Effective Interfacial Layer to Enhance Efficiency of Polymer Solar Cells via Solution-Processed Fullerene-SurfactantsJ. Mater. Chem., 22, 8574-8578, 2012. (Selected as a Hot Article)
  67. Yip. H.-L.;  Jen, A. K.-Y. “Recent Advances in Solution-Processed Interfacial Materials for Efficient and Stable Polymer Solar CellsEnergy Environ. Sci., 5, 5994-6011, 2012. (Invited Feature Article, Most-Read EES article in Feb 2012)
  68. Li, C.-Z.; Yip, H.-L.; Jen, A. K.-Y. “Functional Fullerenes for Organic PhotovoltaicsJ. Mater. Chem., 22, 4161-4177, 2012. (Invited Feature Article, Top 10 Most-Read article in Feb 2012)
  69. Sun, Y.; Chien, S.-C.; Yip, H.-L.; Chen, K.-S.; Zhang, Y.; Davies, J. A.; Chen, F.-C.; Lin, B.; Jen, A. K.-Y. “Improved Thin Film Morphology and Bulk-Heterojunction Solar Cell Performance through Systematic Tuning of Surface Energy of Conjugated PolymersJ. Mater. Chem., 22, 5587-5595, 2012.
  70. Zeigler, D. F.; Chen, K.-S.; Yip, H.-L.; Zhang, Y.; Jen, A. K.-Y. “Tunable Light-Harvesting Polymers Containing Embedded Dipolar Chromophores for Polymer Solar Cell ApplicationsJ. Polym. Sci., Part A: Polym. Chem., 50, 1362-1373, 2012.
  71. O’Malley, K. M, Li, C.-Z.; Yip, H.-L.; Jen, A. K.-Y. “Enhanced Open-Circuit Voltage in High Performance Polymer/Fullerene Bulk-Heterojunction Solar Cells by Cathode Modification with a C60 SurfactantAdv. Energy Mater., 2, 82-86, 2012.
  72. Duan, C.; Hu, X.; Chen, K.-S.; Yip, H.-L.; Li, W.; Huang, F.; Jen, A. K.-Y.; Cao, Y. “Fully Visible-Light-Harvesting Conjugated Polymers with Pendant Donor-π-Acceptor Chromophores for Photovoltaic ApplicationsSol. Energ. Mat. Sol. Cells, 97, 50-58, 2012.
  73. Sun, Y.; Chien, S.-C.; Yip, H.-L.; Zhang, Y.; Chen, K.-S.; Zeigler, D. F.; Chen, F.-C.; Lin, B.; Jen, A. K.-Y. “Chemically Doped and Cross-linked Hole-Transporting Materials as an Efficient Anode Buffer Layer for Polymer Solar CellsChem. Mater., 23, 5006-5015, 2011.
  74. Cho, N.; Yip, H.-L.; Davies, J. A.; Kazarinoff, P. D.; Zeigler, D. F.; Durban, M. M.; Segawa, Y.; O’Malley, K. M.; Luscombe, C. K.; Jen, A. K.-Y. “In-situ Crosslinking and n-Doping of Semiconducting Polymers and Their Application as Efficient Electron-Transporting Materials in Inverted Polymer Solar CellsAdv. Energy Mater., 1, 1148-1153, 2011. (Highlighted article in Materials Views on Nov 4th 2010)
  75. Zhang, Y.; Chien, S.-C.; Chen, K.-S.; Yip, H.-L.; Sun, Y.; Davies, J. A.; Chen, F.-C.; Jen, A. K.-Y. “Increased Open Circuit Voltage in Fluorinated Benzothiadiazole-based Alternating Conjugated PolymersChem. Commun., 47, 11026-11028, 2011.
  76. Li, C.-Z.; Chien, S.-C.; Yip, H.-L.; Chueh, C.-C.; Chen, F.-C.; Matsuo, Y.; Nakamura, E.; Jen, A. K.-Y. “Facile Synthesis of a 56π-Electron 1,2-dihydromethano-[60]PCBM and Its Application for Thermally Stable Polymer Solar Cells”, Chem. Commun., 47, 10082-10084, 2011.
  77. Sun, Y.; Chien, S.-C.; Yip, H.-L.; Zhang, Y.; Chen, K.-S.; Zeigler, D. F.; Chen, F.-C.; Lin, B.; Jen, A. K.-Y. “High-Mobility Low-Bandgap Conjugated Copolymers Based on Indacenodithiophene and Thiadiazolo[3,4-c]pyridine Units for Thin Film Transistor and Photovoltaic Applications”, J. Mater. Chem., 21, 13247-13255, 2011.
  78. Zhang, Y.; Zou, J.; Yip, H.-L.; Chen, K.-S.; Davies, J. A.; Sun, Y.; Jen, A. K.-Y. “Synthesis, Characterization, Charge Transport, and Photovoltaic Properties of Dithienobenzoquinoxaline- and Dithienobenzopyridopyrazine-Based Conjugated PolymersMacromolecules, 44, 4752-4758, 2011.
  79. Cho, N.; Yip, H.-L.; Hau, S. K.; Chen, K.-S.; Kim, T.-W.; Davies, J. A.; Zeigler, D. F.; Jen, A. K.-Y. “n-Doping of Thermally Polymerizable Fullerenes as an Electron Transporting Layer for Inverted Polymer Solar Cells”, J. Mater. Chem., 21, 6956-6961, 2011
  80. Zhang, Y.; Zou, J.; Yip, H.-L.; Chen, K.-S.; Zeigler, D. F.; Sun, Y.; Jen, A. K.-Y. “Indacenodithiophene and Quinoxaline-Based Conjugated Polymers for Highly Efficient Polymer Solar Cells”, Chem. Mater. , 23, 2289-2291, 2011. (Top 20 most downloaded articles in June 2011)
  81. Gao, Y.; Yip, H.-L.; Chen, K.-S.; O’Malley, K. M.; Acton, O.; Sun, Y.; Ting, G.; Chen, H.; Jen, A. K.-Y. “Surface Doping of Conjugated Polymers by Graphene Oxide and Its Application for Organic Electronic Devices”, Adv. Mater., 23, 1903-1908, 2011.
  82. Chen, K.-S.; Zhang, Y.; Yip, H.-L.; Sun, Y.; Davies, J. A.; Ting, C.; Chen, P.-C.; Jen, A. K.-Y. “Highly Efficient Indacenodithiophene-Based Polymeric Solar Cells in Conventional and Inverted Device Configurations”, Org. Electron., 12, 794-801, 2011.
  83. Tillack, A. F.; Noone, K. M.; MacLeod, B. A.; Nordlund, D.; Nagle, K. P.; Bradley, J. A.; Hau, S. K.; Yip, H.-L.; Jen, A. K.-Y.; Seidler, G. T.; Ginger, D. S. “Surface Characterization of Polythiophene:Fullerene Blends on Different Electrodes using Near Edge X-ray Absorption Fine Structure”, ACS Appl. Mater. Interfaces, 3, 726-732, 2011.
  84. Zhang, Y.;  Zou, J.; Yip, H.-L.; Sun, Y.; Davies, J. A.; Chen, K.-S.; Acton, O.; Jen, A. K.-Y. “Conjugated Polymers Based on C, Si and N-bridged Dithiophene and Thienopyrroledione Units: Synthesis, Field-Effect Transistors and Bulk Heterojunction Polymer Solar CellsJ. Mater. Chem., 21, 3895-3902, 2011.
  85. Wang, J.-Y.; Hau, S. K., Yip, H.-L.; Davies, J. A.; Chen, K.-S.; Zhang, Y.; Sun, Y.; Jen, A. K.-Y. “Benzobis(silolothiophene)-Based Low Bandgap Polymers for Efficient Polymer Solar CellsChem. Mater., 23, 765-767, 2011.
  86. Hau, S. K.; Yip, H.-L.; Chen, K.-S.; Zou, J.; Jen, A. K.-Y, “Solution Processed Inverted Tandem Polymer Solar Cells with Self-Assembled Monolayer Modified Interfacial Layers”, Appl. Phys. Lett., 97, 253307, 2010. (Also selected for publication in the Virtual Journal of Nanoscale Science and Technology)
  87. Hau, S. K.; O’Malley K. M.; Cheng, Y.-J.; Yip, H.-L.; Ma, H.; Jen, A. K.-Y. “Optimization of Active Layer and Anode Electrode for High-Performance Inverted Bulk-Heterojunction Solar Cells”, IEEE J. Sel. Top. Quantum Electron., 16, 1665-1675, 2010. (Invited article)
  88. Duan, C.; Chen, K.-S.; Huang, F.; Yip, H.-L.; Liu, S.; Zhang, J.; Jen, A. K.-Y.; Cao, Y. “Synthesis, Characterization, and Photovoltaic Properties of Carbazole-Based Two-Dimensional Conjugated Polymers with Donor-π-Bridge-Acceptor Side ChainsChem. Mater., 22, 6444-6452, 2010.
  89. Gao, Y.; Yip, H.-L.; Hau, S. K.; O’Malley, K.; Cho, N.; Chen, H.; Jen, A. K.-Y. “Anode Modification of Inverted Polymer Solar Cells Using Graphene OxideAppl. Phys. Lett., 97, 203306, 2010.
  90. Sun, Y.; Gong, X.; Hsu, B. B. Y.; Yip, H.-L.; Jen, A. K.-Y.; Heeger, A. J. “Solution-Processed Cross-linked Hole Selective Layer for Polymer Solar Cells in the inverted StructureAppl. Phys. Lett., 97, 193310, 2010.
  91. Hau, S. K.; Yip, H.-L.; Jen, A. K.-Y. “A Review on The Development of Inverted Polymer Solar Cells”, Polym. Rev., 50, 474-510, 2010. (Invited review)
  92. Hau, S. K.; Cheng, Y.-J.; Zhang, Y.; Yip, H.-L.; Ma, H.; Jen, A. K.-Y. “Effect of Chemical Modification of Fullerene-Based Self-Assembled Monolayers on the Performance of Inverted Polymer Solar Cells”, ACS Appl. Mater. Interfaces, 2, 1892-1902, 2010. (Top 20 most cited and most read articles for 2011 in ACS Applied Materials & Interfaces)
  93. Zou, J.; Yip, H.-L.; Hau, S. K.; Jen, A. K.-Y. “Metal Grid/Conducting Polymer Hybrid Transparent Electrode for Inverted Polymer Solar CellsAppl. Phys. Lett., 96, 203301, 2010. (Top 20 most downloaded articles in year 2010)
  94. Ma, H.; Yip, H.-L.; Huang, F.; Jen, A. K.-Y. “Interface Engineering for Organic ElectronicsAdv. Funct. Mater., 20, 1371-1388, 2010. (Rank #9 in Most Accessed Articles 8/2009-7/2010)
  95. Zhang, Y.; Hau, S. K.; Yip, H.-L.; Sun, Y.; Acton, O.; Jen, A. K.-Y. “Efficient Polymer Solar Cells Based on the Copolymers of Benzodithiophene and ThienopyrroledioneChem. Mater., 22, 2696-2698, 2010. (Top 20 most cited articles for last 3 years in Chemistry of Materials)
  96. Cunningham, P. D.; Hayden, L. M.; Yip, H.-L.; Jen, A. K.-Y. “Charge Carrier Dynamics in Metalated Polymers Investigated by Optical-Pump Terahertz-Probe Spectroscopy”, J. Phys. Chem. B, 113, 15427-15432, 2009.
  97. Huang, F.; Chen, K.-S.; Yip, H.-L.; Hau, S. K.; Acton, O.; Zhang, Y.; Luo, J.; Jen, A. K.-Y. “Development of New Conjugated Polymers with Donor−π-Bridge−Acceptor Side Chains for High Performance Solar CellsJ. Am. Chem. Soc., 131, 13886-13887, 2009.
  98. Hau, S. K.; Yip, H.-L.; Zou, J.; Jen, A. K.-Y. “Indium tin oxide-free semi-transparent inverted polymer solar cells using conducting polymer as both bottom and top electrodesOrg. Electron., 10, 1401-1407, 2009.
  99. Zhang, Y.; Yip, H.-L.; Acton, O.; Hau, S. K.; Huang, F.; Jen, A. K.-Y.. “A Simple and Effective Way of Achieving Highly Efficient and Thermally Stable Bulk-Heterojunction Polymer Solar Cells Using Amorphous Fullerene Derivatives as Electron Acceptor“, Chem. Mater., 21, 2598-2600, 2009.
  100. Hau, S. K.; Yip, H.-L.; K. Leong; Jen, A. K.-Y. “Spraycoating of Ag nanoparticle electrodes for inverted polymer solar cellsOrg. Electron., 10, 719-723, 2009.
  101. Hau, S. K.; Yip, H.-L.; Baek, N. S., Ma, H.; Jen, A. K.-Y. “Interfacial Modification to Improve Inverted Polymer Solar CellsJ. Mater. Chem., 18, 5113-5119, 2008.
  102. Hau, S. K.; Yip, H.-L.; Ma, H.; Jen, A. K.-Y. “High Performance Ambient Processed Inverted Polymer Solar Cells through Interfacial Modification with a Fullerene Self-Assembled MonolayerAppl. Phys. Lett., 93, 233304, 2008. (Top 20 most downloaded articles in Dec. 2008)
  103. Baek, N. S., Hau, S. K. Yip, H.-L.; Chen, K.-S.; Acton, O.; Jen, A. K.-Y. “High Performance Amorphous Metallated p-Conjugated Polymers for Field-Effect Transistors and Polymer Solar CellsChem. Mater., 20, 5734-5736, 2008. (Top 20 most cited articles for last 3 years in Chemistry of Materials)
  104. Hau, S. K.; Yip, H.-L.; Baek, N. S., Zou, J.; O’Malley, K.; Jen, A. K.-Y. “Air-Stable Inverted Flexible Polymer Solar Cells Using Zinc Oxide Nanoparticles as an Electron Selective LayerAppl. Phys. Lett., 92, 253301, 2008. (Top 20 most downloaded articles in June & July 2008)
  105. Yip, H.-L.; Hau, S. K.; Baek, N. S.; Ma, H.; Jen, A. K.-Y. “Polymer Solar Cells That Use Self Assembled-Monolayer-Modified ZnO/Metals as CathodesAdv. Mater., 20, 2376-2382, 2008.
  106. Yip, H.-L.; Hau, S. K.; Baek, N. S.; Jen, A. K.-Y. “Self-Assembled Monolayer Modified ZnO/Metal Bilayer Cathodes for Polymer:Fullerene Bulk-Heterojunction Solar CellsAppl. Phys. Lett., 92, 193313, 2008.

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