Search Results - "Shaheen, Sean E."

Pathways to a New Efficiency Regime for Organic Solar Cells by Koster, L. Jan Anton, Shaheen, Sean E., Hummelen, Jan C.

“…Three different theoretical approaches are presented to identify pathways to organic solar cells with power conversion efficiencies in excess of 20%. A…”
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Thermal engineering of FAPbI3 perovskite material via radiative thermal annealing and in situ XRD by Pool, Vanessa L., Dou, Benjia, Van Campen, Douglas G., Klein-Stockert, Talysa R., Barnes, Frank S., Shaheen, Sean E., Ahmad, Md I., van Hest, Maikel F. A. M., Toney, Michael F.

“…Lead halide perovskites have emerged as successful optoelectronic materials with high photovoltaic power conversion efficiencies and low material cost…”
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Dark Carriers, Trapping, and Activation Control of Carrier Recombination in Neat P3HT and P3HT:PCBM Blends by Ferguson, Andrew J, Kopidakis, Nikos, Shaheen, Sean E, Rumbles, Garry

“…Using flash photolysis, time-resolved microwave conductivity we report the sub-200 ns photoconductivity transients for neat poly(3-hexylthiophene), P3HT, and…”
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High-Performance Flexible Perovskite Solar Cells on Ultrathin Glass: Implications of the TCO by Dou, Benjia, Miller, Elisa M, Christians, Jeffrey A, Sanehira, Erin M, Klein, Talysa R, Barnes, Frank S, Shaheen, Sean E, Garner, Sean M, Ghosh, Shuvaraj, Mallick, Arindam, Basak, Durga, van Hest, Maikel F. A. M

“…For halide perovskite solar cells (PSCs) to fulfill their vast potential for combining low-cost, high efficiency, and high throughput production they must be…”
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Microsecond Response in Organic Electrochemical Transistors: Exceeding the Ionic Speed Limit by Friedlein, Jacob T., Donahue, Mary J., Shaheen, Sean E., Malliaras, George G., McLeod, Robert R.

“…Organic electrochemical transistors (OECTs) are transistors that can have extrinsic transconductances as high as 400 S m−1, but they typically have response…”
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The Effect of Atmosphere and ZnO Morphology on the Performance of Hybrid Poly(3-hexylthiophene)/ZnO Nanofiber Photovoltaic Devices by Olson, Dana C, Shaheen, Sean E, Collins, Reuben T, Ginley, David S

“…We present detailed investigations of the fabrication and characterization of photovoltaic devices consisting of poly(3-hexylthiophene) (P3HT) intercalated…”
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Nanoscale heterogeneity of ultrafast many-body carrier dynamics in triple cation perovskites by Nishida, Jun, Chang, Peter T. S., Ye, Jiselle Y., Sharma, Prachi, Wharton, Dylan M., Johnson, Samuel C., Shaheen, Sean E., Raschke, Markus B.

“…In high fluence applications of lead halide perovskites for light-emitting diodes and lasers, multi-polaron interactions and associated Auger recombination…”
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Quenching of Excitons by Holes in Poly(3-hexylthiophene) Films by Ferguson, Andrew J, Kopidakis, Nikos, Shaheen, Sean E, Rumbles, Garry

“…The generation of excitons and their interaction with holes in films of neat regioregular poly(3-hexylthiophene) and the polymer blended with 1 wt% of the…”
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Experimental demonstration of photon upconversion via cooperative energy pooling by Weingarten, Daniel H., LaCount, Michael D., van de Lagemaat, Jao, Rumbles, Garry, Lusk, Mark T., Shaheen, Sean E.

“…Photon upconversion is a fundamental interaction of light and matter that has applications in fields ranging from bioimaging to microfabrication. However, all…”
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Degradation of Highly Alloyed Metal Halide Perovskite Precursor Inks: Mechanism and Storage Solutions by Dou, Benjia, Wheeler, Lance M, Christians, Jeffrey A, Moore, David. T, Harvey, Steven P, Berry, Joseph J, Barnes, Frank S, Shaheen, Sean. E, van Hest, Maikel F.A.M

“…Whereas the promise of metal halide perovskite (MHP) photovoltaics (PV) is that they can combine high efficiency with solution-processability, the chemistry…”
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Hybrid photovoltaic devices of polymer and ZnO nanofiber composites by Olson, Dana C., Piris, Jorge, Collins, Reuben T., Shaheen, Sean E., Ginley, David S.

“…Organic semiconductor-based photovoltaic devices offer the promise of a low-cost photovoltaic technology that could be manufactured via large-scale,…”
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Time-of-Flight Studies of Electron-Collection Kinetics in Polymer:Fullerene Bulk-Heterojunction Solar Cells by Morfa, Anthony J., Nardes, Alexandre M., Shaheen, Sean E., Kopidakis, Nikos, van de Lagemaat, Jao

“…The charge‐collection dynamics in poly(3‐hexylthiophene:[6,6]‐phenyl‐C61‐butyric acid methyl ester (P3HT:PCBM) bulk heterojunctions are studied in thick (>1…”
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Effect of Polymer Processing on the Performance of Poly(3-hexylthiophene)/ZnO Nanorod Photovoltaic Devices by Olson, Dana C, Lee, Yun-Ju, White, Matthew S, Kopidakis, Nikos, Shaheen, Sean E, Ginley, David S, Voigt, James A, Hsu, Julia W. P

“…Effective infiltration of the polymer into the nanostructured oxide is critical for optimizing the performance of hybrid π-conjugated polymer/nanostructured…”
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Theoretical Studies on Conjugated Phenyl-Cored Thiophene Dendrimers for Photovoltaic Applications by Köse, Muhammet E, Mitchell, William J, Kopidakis, Nikos, Chang, Christopher H, Shaheen, Sean E, Kim, Kwiseon, Rumbles, Garry

“…π-Conjugated dendrimers are an important class of materials for optoelectronic devices, especially for light-harvesting systems. We report here a theoretical…”
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Role of Crystallization in the Morphology of Polymer:Non-fullerene Acceptor Bulk Heterojunctions by O’Hara, Kathryn A, Ostrowski, David P, Koldemir, Unsal, Takacs, Christopher J, Shaheen, Sean E, Sellinger, Alan, Chabinyc, Michael L

“…Many high efficiency organic photovoltaics use fullerene-based acceptors despite their high production cost, weak optical absorption in the visible range, and…”
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Photoinduced Charge Carrier Generation in a Poly(3-hexylthiophene) and Methanofullerene Bulk Heterojunction Investigated by Time-Resolved Terahertz Spectroscopy by Ai, Xin, Beard, Matthew C, Knutsen, Kelly P, Shaheen, Sean E, Rumbles, Garry, Ellingson, Randy J

“…We report on the ultrafast photoinduced charge separation processes in varying compositions of poly(3-hexylthiophene) (P3HT) blended with the electron acceptor…”
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Effect of ZnO Processing on the Photovoltage of ZnO/Poly(3-hexylthiophene) Solar Cells by Olson, Dana C, Lee, Yun-Ju, White, Matthew S, Kopidakis, Nikos, Shaheen, Sean E, Ginley, David S, Voigt, James A, Hsu, Julia W. P

“…Proper contact and band alignment across the heterojunction interface is critical to the performance of hybrid pi-conjugated polymer-nanostructured metal oxide…”
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A Mini Review of Neuromorphic Architectures and Implementations by Nawrocki, Robert A., Voyles, Richard M., Shaheen, Sean E.

“…Neuromorphic architectures are hardware systems that aim to use the principles of neural function for their basis of operation. Their goal is to harness…”
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Curtailing Perovskite Processing Limitations via Lamination at the Perovskite/Perovskite Interface by Dunfield, Sean P, Moore, David T, Klein, Talysa R, Fabian, David M, Christians, Jeffrey A, Dixon, Alex G, Dou, Benjia, Ardo, Shane, Beard, Matthew C, Shaheen, Sean E, Berry, Joseph J, van Hest, Maikel F. A. M

“…Standard layer-by-layer solution processing methods constrain lead–halide perovskite device architectures. The layer below the perovskite must be robust to the…”
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Influence of the Anodic Work Function on the Performance of Organic Solar Cells by Frohne, Holger, Shaheen, Sean E., Brabec, Christoph J., Müller, David C., Sariciftci, N. Serdar, Meerholz, Klaus

“…Cutting etch organic solar cells utilize the bulk‐heterojunction concept, shown in the graphic, of interpenetrating electron and hole conducting networks which…”
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