Search Results - "Olson, Dana"

Photovoltaic Devices with a Low Band Gap Polymer and CdSe Nanostructures Exceeding 3% Efficiency by Dayal, Smita, Kopidakis, Nikos, Olson, Dana C, Ginley, David S, Rumbles, Garry

“…We report the fabrication and measurement of solar cells approaching a power conversion efficiency of 3.2% using a low band gap conjugated polymer…”
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Removal of Residual Diiodooctane Improves Photostability of High-Performance Organic Solar Cell Polymers by Tremolet de Villers, Bertrand J, O’Hara, Kathryn A, Ostrowski, David P, Biddle, Perry H, Shaheen, Sean E, Chabinyc, Michael L, Olson, Dana C, Kopidakis, Nikos

“…Solvent additives such as diiodooctane (DIO) are becoming ubiquitous in processing high performance organic photovoltaic (OPV) active layers. Here, we…”
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Evidence for near-Surface NiOOH Species in Solution-Processed NiO x Selective Interlayer Materials: Impact on Energetics and the Performance of Polymer Bulk Heterojunction Photovoltaics by Ratcliff, Erin L, Meyer, Jens, Steirer, K. Xerxes, Garcia, Andres, Berry, Joseph J, Ginley, David S, Olson, Dana C, Kahn, Antoine, Armstrong, Neal R

“…The characterization and implementation of solution-processed, wide bandgap nickel oxide (NiO x ) hole-selective interlayer materials used in…”
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Improvement of Interfacial Contacts for New Small-Molecule Bulk-Heterojunction Organic Photovoltaics by Garcia, Andres, Welch, Gregory C., Ratcliff, Erin L., Ginley, David S., Bazan, Guillermo C., Olson, Dana C.

“…The influence of protonation reactions between poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and a thiadiazolo[3,4‐c]pyridine…”
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Enhanced Efficiency in Plastic Solar Cells via Energy Matched Solution Processed NiOx Interlayers by Steirer, K. Xerxes, Ndione, Paul F., Widjonarko, N. Edwin, Lloyd, Matthew T., Meyer, Jens, Ratcliff, Erin L., Kahn, Antoine, Armstrong, Neal R., Curtis, Calvin J., Ginley, David S., Berry, Joseph J., Olson, Dana C.

“…We show enhanced efficiency and stability of a high performance organic solar cell (OPV) when the work‐function of the hole collecting indium‐tin oxide (ITO)…”
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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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Investigating the Influence of Interfacial Contact Properties on Open Circuit Voltages in Organic Photovoltaic Performance: Work Function Versus Selectivity by Ratcliff, Erin L., Garcia, Andres, Paniagua, Sergio A., Cowan, Sarah R., Giordano, Anthony J., Ginley, David S., Marder, Seth R., Berry, Joseph J., Olson, Dana C.

“…The role of work function and thermodynamic selectivity of hole collecting contacts on the origin of open circuit voltage (VOC) in bulk heterojunction organic…”
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Electronic Level Alignment in Inverted Organometal Perovskite Solar Cells by Schulz, Philip, Whittaker‐Brooks, Luisa L., MacLeod, Bradley A., Olson, Dana C., Loo, Yueh‐Lin, Kahn, Antoine

“…The measured energy diagram for inverted cell architectures for perovskite photovoltaic devices is presented. Band offsets are determined in direct and inverse…”
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Chemically Controlled Reversible and Irreversible Extraction Barriers Via Stable Interface Modification of Zinc Oxide Electron Collection Layer in Polycarbazole-based Organic Solar Cells by Cowan, Sarah R., Schulz, Philip, Giordano, Anthony J., Garcia, Andres, MacLeod, Bradley A., Marder, Seth R., Kahn, Antoine, Ginley, David S., Ratcliff, Erin L., Olson, Dana C.

“…A spin‐cast method is presented for the formation of phosphonic acid functionalized small molecule layers on solution‐processed ZnO substrates for use as…”
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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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Phosphonic Acid Modification of GaInP2 Photocathodes Toward Unbiased Photoelectrochemical Water Splitting by MacLeod, Bradley A, Steirer, K. Xerxes, Young, James L, Koldemir, Unsal, Sellinger, Alan, Turner, John A, Deutsch, Todd G, Olson, Dana C

“…The p-type semiconductor GaInP2 has a nearly ideal bandgap (∼1.83 eV) for hydrogen fuel generation by photoelectrochemical water splitting but is unable to…”
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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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Influence of the hole-transport layer on the initial behavior and lifetime of inverted organic photovoltaics by Lloyd, Matthew T., Peters, Craig H., Garcia, Andres, Kauvar, Isaac V., Berry, Joseph J., Reese, Matthew O., McGehee, Michael D., Ginley, David S., Olson, Dana C.

“…The inverted organic photovoltaic (OPV) device architecture represents an important advancement due to the relative environmental stability of the electron…”
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Photocurrent Enhancement in Polythiophene- and Alkanethiol-Modified ZnO Solar Cells by Monson, Todd C., Lloyd, Matthew T., Olson, Dana C., Lee, Yun-Ju, Hsu, Julia W. P.

“…Photocurrent enhancement and improvement in solar cell performance are found when the interface between ZnO and polythiophene layers is modified with…”
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Efficient Modification of Metal Oxide Surfaces with Phosphonic Acids by Spray Coating by Bulusu, Anuradha, Paniagua, Sergio A, MacLeod, Bradley A, Sigdel, Ajaya K, Berry, Joseph J, Olson, Dana C, Marder, Seth R, Graham, Samuel

“…We report a rapid method of depositing phosphonic acid molecular groups onto conductive metal oxide surfaces. Solutions of pentafluorobenzyl phosphonic acid…”
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Modeling the Free Carrier Recombination Kinetics in PTB7:PCBM Organic Photovoltaics by Oosterhout, Stefan D, Ferguson, Andrew J, Larson, Bryon W, Olson, Dana C, Kopidakis, Nikos

“…Currently the exact recombination mechanism of free carriers in organic photovoltaic (OPV) devices is poorly understood. Often a reduced Langevin model is used…”
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ITO Interface Modifiers Can Improve V OC in Polymer Solar Cells and Suppress Surface Recombination by Knesting, Kristina M, Ju, Huanxin, Schlenker, Cody W, Giordano, Anthony J, Garcia, Andres, Smith, O’Neil L, Olson, Dana C, Marder, Seth R, Ginger, David S

“…We use dipolar phosphonic acid self-assembled monolayers (PA SAMs) to modify the work function of the hole-extracting contact in polymer/fullerene bulk…”
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NiOX/MoO3 Bi-Layers as Efficient Hole Extraction Contacts in Organic Solar Cells by Schulz, Philip, Cowan, Sarah R., Guan, Ze-Lei, Garcia, Andres, Olson, Dana C., Kahn, Antoine

“…The electronic structure of a bi‐layer hole extraction contact consisting of nickel oxide (NiOx) and molybdenum trioxide (MoO3) is determined via ultraviolet…”
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Ultrasonic spray deposition for production of organic solar cells by Steirer, K. Xerxes, Reese, Matthew O., Rupert, Benjamin L., Kopidakis, Nikos, Olson, Dana C., Collins, Reuben T., Ginley, David S.

“…Recent improvements of organic photovoltaic power conversion efficiencies have motivated development of scalable processing techniques. We compare…”
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Molecular Design for Tuning Work Functions of Transparent Conducting Electrodes by Koldemir, Unsal, Braid, Jennifer L, Morgenstern, Amanda, Eberhart, Mark, Collins, Reuben T, Olson, Dana C, Sellinger, Alan

“…In this Perspective, we provide a brief background on the use of aromatic phosphonic acid modifiers for tuning work functions of transparent conducting oxides,…”
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