McGehee Group

Photovoltaic cells

Energy Transfer in Nanowire Solar Cells with Photon-Harvesting Shells, C. H. Peters, A. R. Guichard, A. C. Hryciw, M. L. Brongersma, and M. D. McGehee, Journal of Applied Physics, 105 (2009) 124509.

Charge Transport in Interpenetrating Networks of Semiconducting and Metallic Carbon Nanotubes, Mark A. Topinka, Michael W. Rowell, David Goldhaber-Gordon, Michael D. McGehee, David S. Hecht, and George Gruner, Nano Letters, 9 (2009) 1866.

Bimolecular Crystals of Fullerenes in Conjugated Polymers and the Implications of Molecular Mixing for Solar Cells, A.C Mayer, M.F. Toney, S.R. Scully, J. Rivnay, C.J. Brabec, M. Scharber, M. Kopppe, M. Heeney, I. McCulloch and M.D. McGehee, Advanced Functional Materials, 19 (2009) 1173.

Nanostructured Organic–Inorganic Hybrid Solar Cells (Review Article), M.D. McGehee, Materials Research Society Bulletin, 34 (2009) 95.

Exciton Harvesting, Charge Transfer, and Charge-Carrier Transport in Amorphous-Silicon Nanopillar/Polymer Hybrid Solar Cells, V. Gowrishankar, S.R. Scully, A.T. Chan, M.D. McGehee, Q. Wang, H.M. Branz, Journal of Applied Physics, 103 (2008) 064511.

Nanostructured Titania-Polymer Photovoltaic Devices Made Using PFPE-Based Nanomolding Techniques, S.S. Williams, M.J. Hampton, V. Gowrishankar, I.-K. Ding, J.L. Templeton, E.T. Samulski, J.M. DeSimone, M.D. McGehee, Chemistry of Materials, 20 (2008) 5229.

Organic Bulk Heterojunction Solar Cells Using Poly(2,5-bis(3-tetradecyllthiophen-2-yl)thieno[3,2,-b]thiophene), J.E. Parmer, A.C. Mayer, B.E. Hardin, S.R. Scully, M.D. McGehee, M. Heeney, I. McCulloch, Applied Physics Letters, 92 (2008) 113309.

Polymer-Based Solar Cells (Review Article), A.C. Mayer, S.R. Scully, B.E. Hardin, M.W. Rowell, M.D. McGehee, Materials Today, v. 10 n. 11 (2007).

Long-Range Resonant Energy Transfer for Enhanced Exciton Harvesting for Organic Solar Cells, S.R. Scully, P.B. Armstrong, C. Edder, J.M.J. Frechet, M.D. McGehee, Advanced Materials, 19 (2007), 2961.

Effects of Molecular Interface Modification in Hybrid Organic-Inorganic Photovoltaic Cells, C. Goh, S.R. Scully, M.D. McGehee, Journal of Applied Physics, 101 (2007), 114503.

Organic Solar Cells with Carbon Nanotube Network Electrodes, M.W. Rowell, M.A. Topinka, M.D. McGehee, H.J. Prall, G. Dennler, N.S. Sariciftci, L. Hu, G. Gruner, Applied Physics Letters, 88 (2006), 233506.

Effects of Optical Interference and Energy Transfer on Exciton Diffusion Length Measurements in Organic Semiconductors, S.R. Scully and M.D. McGehee, Journal of Applied Physics, 100 (2006), 034907.

Fabrication of Densely Packed, Well-Ordered, High-Aspect-Ratio Silicon Nanopillars Over Large Areas Using Block Copolymer Lithography V. Gowrishankar, N. Miller, M.D. McGehee, M.J. Misner, D.Y. Ryu, T.P. Russell, E. Drockenmuller, C.J. Hawker, Thin Solid Films 513 (2006), 289.

Resonance Energy Transfer from Organic Chromophores to Fullerene Molecules, Y. Liu, M.A. Summers, S.R. Scully, M.D. McGehee, Journal of Applied Physics 99 (2006), 093521.

Dependence of Band Offset and Open Circuit Voltage on the Interfacial Interaction between TiO2 and Carboxylated Polythiophenes, Y. Liu, S.R. Scully, M.D. McGehee, J. Liu, C.K. Luscombe, J.M.J. Fréchet, S.E. Shaheen, D.S. Ginley, Journal of Physical Chemistry B 110 (2006) 3257.

Exciton Splitting and Carrier Transport across the Amorphous-Silicon/Polymer Solar Cell Interface, V. Gowrishankar, S.R. Scully, M.D. McGehee, Q. Wang, H.M. Branz, Applied Physics Letters 89 (2006) 252102.

Using Resonance Energy Transfer to Improve Exciton Harvesting in Organic-Inorganic Hybrid Photovoltaic Cells, Y. Liu, M.A. Summers, C. Edder, J.M.J. Fréchet, M.D. McGehee, Advanced Materials, 17 (2005) 2960.

Nanostructuring Titania by Embossing with Polymer Molds Made from Anodic Alumina Templates, C. Goh, K.M. Coakley, M.D. McGehee, Nanoletters, 5 (2005) 1545.

Ordered Organic-Inorganic Bulk Heterojunction Photovoltaic Cells, K.M. Coakley, Y. Liu, C. Goh, M.D. McGehee, Materials Research Society Bulletin, 30 (2005) 37.

Conjugated Polymer Photovoltaic Cells (Review Article), K.M. Coakley, M.D. McGehee, Chemisty Of Materials.

Photovoltaic Cells Made from Conjugated Polymers Infiltrated into Mesoporous Titania, K.M. Coakley, M.D. McGehee, Applied Physics Letters, 83 (2003) 3380.

Infiltrating Semiconducting Polymers into Self-Assembled Mesoporous Titania Films for Photovoltaic Applications, K.M. Coakley, Y. Liu, M.D. McGehee, K. Frindell, G.D. Stucky Advanced Functional Materials, 13 (2003) 301.

Charge transport in organic semiconductors

Liquid-Crystalline Semiconducting Polymers with High Charge Carrier Mobility, I. McCulloch, M. Heeney, C. Bailey, K. Genevicius, I. MacDonald, M. Shkunov, D. Sparrowe, S. Tierney, R. Wagner, W. Zhang, M.L. Chabinyc, R.J. Kline, M.D. McGehee, M.F. Toney, Nature Materials, 5 (2006) 328.

Highly Oriented Crystals at the Buried Interface in Polythiophene Thin Film Transistors, R.J.Kline, M.D. McGehee, M.F. Toney, Nature Materials, 222 (2006) 222.

Enhanced Hole Mobility in Regioregular Polythiophene Infiltrated in Straight Nanopores, K.M. Coakley, B.S. Srinivasan, J.M. Ziebarth, C. Goh, Y. Liu, M.D. McGehee, Advanced Functional Materials, 15 (2005) 1927.

Molecular Weight Dependent Mobilities in Regioregular Poly(3-hexylthiophene) Diodes, C. Goh, R.J. Kline, M.D. McGehee, E.N. Kadnikova, J. Liu, J.M.J. Fréchet, Applied Physics Letters, 86 (2005) 122110.

Dependence of Regioregular Poly(3-hexylthiophene) Film Morphology and Field Effect Mobility on Molecular Weight, R.J. Kline, M.D. McGehee, E.N. Kadnikova, J. Liu, J.M.J. Fréchet, M.F. Toney, Macromolecules, 38 (2005)3312.

Controlling the Field-Effect Mobility of Regioregular Polythiophene through Molecular Weight, R.J. Kline, M.D. McGehee, E.N. Kadnikova, J. Liu, J.M.J. Frechet, Advanced Materials, 15 (2003) 1519.

Light extraction from LEDs

Measuring the Refractive Indices of Conjugated Polymer Films with Bragg Grating Outcouplers, J. M. Ziebarth, M.D. McGehee, Applied Physics Letters 83, (2003) 5092.

Extracting Light from Polymer Light-Emitting Diodes with Stamped Bragg Gratings, J.M. Ziebarth, A.K. Saafir, M.D. McGehee, S. Fan, Advanced Functional Materials, 14 (2004) 451.

Lasers and LEDs

Mirrorless Lasing from Mesostructured Waveguides Patterned by Soft Lithography, P. Yang, G. Wirnsberger, H.C. Huang, S.R. Cordero, M.D. McGehee, B. Scott, T. Deng, G.M. Whitesides, B.F. Chmelka, S.K. Buratto, G.D. Stucky, Science, 287 (2000) 465.

Narrow Bandwidth Luminescence from Blends with Energy Transfer from Semiconducting Conjugated Polymers to Europium Complexes, M.D. McGehee, T. Bergstedt, A.P. Saab, C. Zhang, M. O'Regan, G. Bazan, V. Srdanov, A.J. Heeger, Advanced Materials, 11 (1999) 1349.

Doped Mesoporous Silica Fibers: A New Laser Material, F. Marlow, M.D. McGehee, D. Zhao, B.F. Chmelka, G.D. Stucky, Advanced Materials, 11 (1999) 632.

Semiconducting Polymer Distributed Feedback Lasers, M.D. McGehee, M.A. Diaz-Garcia, F. Hide, R. Gupta, E.K. Miller, D. Moses, A.J. Heeger, Applied Physics Letters, 72 (1998) 1536.