Project Results

Research Areas & Activities Solar Energy Rational Organic Semiconductor Material Design A Pathway Towards Breakthrough Performance in Solar Cells Design and Fabrication of the First All-Carbon-Based Solar Cell Upconverting Electrodes for Improved Solar Energy Conversion Advanced Electron Transport Materials for Application in Organic Photovoltaics (OPV) Ultra-High Efficiency Thermophotovoltaic Solar Cells Using Metallic Photonic Crystals as Intermediate Absorber and Emitter Nanostructured Materials for High-Efficiency Thin Film Solar Cells Photon Enhanced Thermionic Emission (PETE) for Solar Concentrator Systems Hot Carrier Solar Cell: Implementation of the Ultimate Photovoltaic Converter Plasmonic Photovoltaics Self-sorting of Metallic Carbon Nanotubes for High Performance Large Area Low Cost Transparent Electrodes Artificial Photosynthesis: Membrane-Supported Assemblies that Use Sunlight to Split Water Lateral Nanoconcentrator Nanowire Multijunction Photovoltaic Cells Molecular Solar Cells Advanced Materials and Devices for Low-Cost and High-Performance Organic Photovoltaic Cells Inorganic Nanocomposite Solar Cells by ALD Nanostructured Silicon-Based Tandem Solar Cells Photosynthetic Bioelectricity Nanostructured Metal-Organic Composite Solar Cells Ordered Bulk Heterojunction Photovoltaic Cells Biomass Energy Hydrogen Advanced Combustion CO₂ Capture CO₂ Storage Advanced Materials & Catalysts Advanced Coal Advanced Transportation Advanced Electric Grid Grid Storage Other Renewables Integrated Assessment Advanced Nuclear Energy Geoengineering Exploratory Efforts All Activities Analysis Activities Technical Reports

Research

Results and Publications

Ordered Bulk Heterojunction Photovoltaic Cells

Start Date: January 2004
Status: Completed

Investigator

Michael McGehee, Department of Materials Science, Stanford University

Annual Reports

Publications

Gowrishankar, V., S. R. Scully, A. T. Chan, M. D., McGehee, Q. Wang, and H. M. Branz “Exciton Harvesting, Charge Transfer, and Charge-Carrier Transport in Amorphous-Silicon Nanopillar/Polymer Hybrid Solar Cells.” Journal of Applied Physics Vol. 103, No. 6, pp. 064511-1-8, doi:10.1063/1.2896583 (2008).
Mayer, A.C., S. R. Scully, B. E. Hardin, M. W. Rowell, and M. D. McGehee. “Polymer-Based Solar Cells.” Materials Today, Vol. 10, No. 11, pp. 28-33, doi:10.1016/S1369-7021(07)70276-6 (2007).
Scully, S. R., P. B. Armstrong, C. Edder, J. M. J. Frechet, and M. D. McGehee. “Long-range resonant energy transfer for enhanced exciton harvesting for organic solar cells.” Advanced Materials, Vol. 19, pp. 2961-2966, doi:10.1002/adma.200700917 (2007).
Goh, C., S. R. Scully, and M. D. McGehee. “Effects of molecular interface modification in hybrid organic-inorganic photovoltaic cells.” Journal of Applied Physics, Vol. 101, No. 11, pp. 114503 1-12, doi:10.1063/1.2737977 (2007).

Koganti, V. R., D. Dunphy, V. Gowrishankar, M. D. McGehee, X. F. Li, J. Wang, and S. E. Rankin. “Generalized coating route to silica and titania films with orthogonally tilted cylindrical nanopore arrays.” Nano Letters, 6, pp. 2567-2570, doi:10.1021/nl061992v (2006).
V. Gowrishankar, SR, Scully, MD, McGehee, Q,Wang, HM, Branz, “Exciton splitting and carrier transport across the amorphous-silicon/polymer solar cell interface”, Applied Physics Letters, 89 p. 252102-1-3 (2006)
Gowrishankar, V., Miller, N., McGehee, M.D., Misner, M.J., Rye, D.Y., Russell, T.P., Drockenmuller, E., & Hawker, C.J. Fabrication of Densely-Packed, Well-Ordered, High-Aspect-Ratio Silicon Nanopillars Over Large Areas Using Block Copolymer Lithography. Thin Solid Films 513:1-2, 289-294 (2006)
Liu, Y., Scully, S.R., McGehee, M.D., Liu, J., Luscombe, C.K., Frechet, J.M.J., Shaheen, S.E., & Ginley, D.S. Dependence of Band Offset and Open Circuit Voltage on the Interfacial Interaction Between TiO₂ and Carboxylated Polythiophenes. J. Phys. Chem. B 110, 3257-61 (2006)
Goh, C., & McGehee, M.D. Organic Semiconductors for Low-Cost Solar Cells. The Bridge 35, 33-39 (2005)
Liu, Y., Summers, M.A., Edder, C., Frechet, J.M.J., & McGehee, M.D. Using Resonance Energy Transfer to Improve Exciton Harvesting in Organic-Inorganic Hybrid Photovoltaic Cells. Adv. Mater. 17, 2960-4 (2005)
Coakley, K.M., Srinivasan, B.S., Ziebarth, J.M., Goh, C., Liu, Y., & McGehee, M.D. Enhanced Hole Mobility in Regioregular Polythiophene Infiltrated in Straight Nanopores. Adv. Funct. Mater. 15, 1927-32 (2005)
Goh, C., Coakley, K.M., & McGehee, M.D. Nanostructuring Titania by Embossing with Polymer Molds Made from Anodic Alumina Templates. Nanoletters 5, 1545-9 (2005)
Coakley, K.M., Liu, Y., Goh, C. & McGehee, M.D. Ordered Organic-Inorganic Bulk Heterojunction Photovoltaic Cells. Mat. Res. Soc. Bul. 30, 37-40 (2005)
Coakley, K.M. & McGehee, M.D. Conjugated Polymer Photovoltaic Cells. Chem. Mat. 16, 4533-42 (2004)
Liu, J.S., Kadnikova, E.N., Liu, Y., McGehee, M.D. & Frechet, J.M.J. Polythiophene Containing Thermally Removable Solubilizing Groups Enhances the Interface and the Performance of Polymer-Titania Hybrid Solar Cells. J. Amer. Chem. Soc. 126, 9486-7 (2004)

Updated October 2009