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Riley E. Brandt

Researcher at Massachusetts Institute of Technology

Publications -  48
Citations -  3234

Riley E. Brandt is an academic researcher from Massachusetts Institute of Technology. The author has contributed to research in topics: Thin film & Solar cell. The author has an hindex of 19, co-authored 47 publications receiving 2767 citations.

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Identifying defect-tolerant semiconductors with high minority-carrier lifetimes: beyond hybrid lead halide perovskites

TL;DR: In this paper, the authors propose that defect tolerance emerges from fundamental electronic-structure properties, including the orbital character of the conduction and valence band extrema, the chargecarrier effective masses, and the static dielectric constant.
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Methylammonium Bismuth Iodide as a Lead‐Free, Stable Hybrid Organic–Inorganic Solar Absorber

TL;DR: Through MBI, this work demonstrates a lead-free and stable alternative to MAPbX3 that has a similar electronic structure and nanosecond lifetimes and found that MBI luminesces at room temperature, with the vapor-processed films exhibiting superior photoluminescence decay times that are promising for photovoltaic applications.
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3.88% Efficient Tin Sulfide Solar Cells using Congruent Thermal Evaporation

TL;DR: It is confirmed that SnS evaporates congruently, which provides facile composition control akin to cadmium telluride, and is described, as a promising absorber material in thin-film photovoltaic devices.
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Atomic Layer Deposited Gallium Oxide Buffer Layer Enables 1.2 V Open-Circuit Voltage in Cuprous Oxide Solar Cells

TL;DR: The power conversion efficiency of solar cells based on copper (I) oxide (Cu2 O) is enhanced by atomic layer deposition of a thin gallium oxide (Ga2 O3 ) layer that exhibits an open-circuit voltage and efficiency of 3.97%, showing potential of over 7% efficiency.