Search Results - "Ziffer, Mark E."

Impact of microstructure on local carrier lifetime in perovskite solar cells by deQuilettes, Dane W., Vorpahl, Sarah M., Stranks, Samuel D., Nagaoka, Hirokazu, Eperon, Giles E., Ziffer, Mark E., Snaith, Henry J., Ginger, David S.

“…The remarkable performance of hybrid perovskite photovoltaics is attributed to their long carrier lifetimes and high photoluminescence (PL) efficiencies…”
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Tracking Photoexcited Carriers in Hybrid Perovskite Semiconductors: Trap-Dominated Spatial Heterogeneity and Diffusion by deQuilettes, Dane W, Jariwala, Sarthak, Burke, Sven, Ziffer, Mark E, Wang, Jacob T.-W, Snaith, Henry J, Ginger, David S

“…We use correlated confocal and wide-field fluorescence microscopy to probe the interplay between local variations in charge carrier recombination and charge…”
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Solvated Electrons in Solids-Ferroelectric Large Polarons in Lead Halide Perovskites by Wang, Feifan, Fu, Yongping, Ziffer, Mark E, Dai, Yanan, Maehrlein, Sebastian F, Zhu, X-Y

“…Solvation plays a pivotal role in chemistry and biology. A solid-state analogy of solvation is polaron formation, but the magnitude of Coulomb screening is…”
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Electroabsorption Spectroscopy Measurements of the Exciton Binding Energy, Electron–Hole Reduced Effective Mass, and Band Gap in the Perovskite CH3NH3PbI3 by Ziffer, Mark E, Mohammed, Joseph C, Ginger, David S

“…We use electroabsorption (EA) spectroscopy to measure the exciton binding energy (E B), electron–hole reduced effective mass (μ), and one-electron band gap (E…”
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Indefinite and bidirectional near-infrared nanocrystal photoswitching by Lee, Changhwan, Xu, Emma Z., Kwock, Kevin W. C., Teitelboim, Ayelet, Liu, Yawei, Park, Hye Sun, Ursprung, Benedikt, Ziffer, Mark E., Karube, Yuzuka, Fardian-Melamed, Natalie, Pedroso, Cassio C. S., Kim, Jongwoo, Pritzl, Stefanie D., Nam, Sang Hwan, Lohmueller, Theobald, Owen, Jonathan S., Ercius, Peter, Suh, Yung Doug, Cohen, Bruce E., Chan, Emory M., Schuck, P. James

“…Materials whose luminescence can be switched by optical stimulation drive technologies ranging from superresolution imaging 1 – 4 , nanophotonics 5 , and…”
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Long-Lived, Non-Geminate, Radiative Recombination of Photogenerated Charges in a Polymer/Small-Molecule Acceptor Photovoltaic Blend by Ziffer, Mark E, Jo, Sae Byeok, Zhong, Hongliang, Ye, Long, Liu, Hongbin, Lin, Francis, Zhang, Jie, Li, Xiaosong, Ade, Harald W, Jen, Alex K.-Y, Ginger, David S

“…Minimization of open-circuit-voltage (V OC) loss is required to transcend the efficiency limitations on the performance of organic photovoltaics (OPV). We…”
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The Potential of Multijunction Perovskite Solar Cells by Hörantner, Maximilian T, Leijtens, Tomas, Ziffer, Mark E, Eperon, Giles E, Christoforo, M. Greyson, McGehee, Michael D, Snaith, Henry J

“…Metal halide perovskite semiconductors offer rapid, low-cost deposition of solar cell active layers with a wide range of band gaps, making them ideal…”
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Realization of a Highly Oriented MAPbBr3 Perovskite Thin Film via Ion Exchange for Ultrahigh Color Purity Green Light Emission by Zhao, Ting, Liu, Hongbin, Ziffer, Mark E, Rajagopal, Adharsh, Zuo, Lijian, Ginger, David S, Li, Xiaosong, Jen, Alex K. Y

“…Organic–inorganic hybrid perovskites are promising materials for optoelectronic applications. Solution-processed films typically possess deleterious randomly…”
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Direct Determination of Band-Gap Renormalization in the Photoexcited Monolayer MoS2 by Liu, Fang, Ziffer, Mark E, Hansen, Kameron R, Wang, Jue, Zhu, Xiaoyang

“…A key feature of monolayer semiconductors, such as transition-metal dichalcogenides, is the poorly screened Coulomb potential, which leads to a large exciton…”
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Hybrid perovskite films approaching the radiative limit with over 90% photoluminescence quantum efficiency by Braly, Ian L., deQuilettes, Dane W., Pazos-Outón, Luis M., Burke, Sven, Ziffer, Mark E., Ginger, David S., Hillhouse, Hugh W.

“…Reducing non-radiative recombination in semiconducting materials is a prerequisite for achieving the highest performance in light-emitting and photovoltaic…”
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Photoluminescence Lifetimes Exceeding 8 μs and Quantum Yields Exceeding 30% in Hybrid Perovskite Thin Films by Ligand Passivation by deQuilettes, Dane W, Koch, Susanne, Burke, Sven, Paranji, Rajan K, Shropshire, Alfred J, Ziffer, Mark E, Ginger, David S

“…We study the effects of a series of post-deposition ligand treatments on the photoluminescence (PL) of polycrystalline methylammonium lead triiodide perovskite…”
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Ultrafast Ferroelectric Ordering on the Surface of a Topological Semimetal MoTe2 by Dai, Yanan, Zheng, Qijing, Ziffer, Mark E, Rhodes, Daniel, Hone, James, Zhao, Jin, Zhu, Xiaoyang

“…Transient tuning of material properties by light usually requires intense laser fields in the nonlinear excitation regime. Here, we report ultrafast…”
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Zr Incorporation into TiO2 Electrodes Reduces Hysteresis and Improves Performance in Hybrid Perovskite Solar Cells while Increasing Carrier Lifetimes by Nagaoka, Hirokazu, Ma, Fei, deQuilettes, Dane W, Vorpahl, Sarah M, Glaz, Micah S, Colbert, Adam E, Ziffer, Mark E, Ginger, David S

“…We investigate zirconium (Zr) incorporation into the titanium dioxide (TiO2) electron-transporting layer used in organometal halide perovskite photovoltaics…”
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Probing Charge Transfer Character in Modern Donor/Acceptor Materials via Electroabsorption Spectroscopy by Bothra, Urvashi, Westbrook, Robert J. E., Liu, Yun, Wang, Jian, Ziffer, Mark E., Ginger, David S.

“…We use electroabsorption (EA) spectroscopy to probe the charge transfer (CT) character in neat films and blends of donors and acceptors of interest for organic…”
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Tuning H- and J‑Aggregate Behavior in π‑Conjugated Polymers via Noncovalent Interactions by Ziffer, Mark E, Jo, Sae Byeok, Liu, Yun, Zhong, Hongliang, Mohammed, Joseph C, Harrison, Jeffrey S, Jen, Alex K.-Y, Ginger, David S

“…We study how tailoring noncovalent interactions through the regiochemistry of common donor–acceptor polymers can alter their excited-state electronic…”
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How hybrid perovskites get their groove by Ziffer, Mark E., Ginger, David S.

“…Rotational motions of organic cations may screen charge carriers from defects Polycrystalline thin films of hybrid organic-inorganic lead halide perovskites…”
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Ultrafast Ferroelectric Ordering on the Surface of a Topological Semimetal MoTe 2 by Dai, Yanan, Zheng, Qijing, Ziffer, Mark E., Rhodes, Daniel, Hone, James, Zhao, Jin, Zhu, Xiaoyang

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Ultrafast Ferroelectric Ordering on the Surface of a Topological Semimetal MoTe 2 by Dai, Yanan, Zheng, Qijing, Ziffer, Mark E., Rhodes, Daniel, Hone, James, Zhao, Jin, Zhu, Xiaoyang

“…Not provided…”
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Solvated Electrons in Solids—Ferroelectric Large Polarons in Lead Halide Perovskites by Wang, Feifan, Fu, Yongping, Ziffer, Mark E., Dai, Yanan, Maehrlein, Sebastian F., Zhu, X. -Y.

“…Not provided…”
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Direct Determination of Band-Gap Renormalization in the Photoexcited Monolayer MoS 2 by Liu, Fang, Ziffer, Mark E., Hansen, Kameron R., Wang, Jue, Zhu, Xiaoyang

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