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1 October 2023 Controlled epitaxial growth and fabrication of flexible hybrid halide perovskites
Sheng Xu
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Proceedings Volume PC12660, Organic, Hybrid, and Perovskite Photovoltaics XXIV; PC1266005 (2023) https://doi.org/10.1117/12.2676612
Event: SPIE Organic Photonics + Electronics, 2023, San Diego, California, United States
Abstract
Organic–inorganic halide perovskites have demonstrated tremendous potential for next-generation electronic and optoelectronic devices due to their remarkable carrier dynamics. Current studies are mostly focused on polycrystals, since controlled growth of high-quality single crystals is challenging. In this presentation, I will discuss strategies that enabled the first chemical epitaxial growth of single-crystal hybrid halide perovskites. Using advanced microfabrication, homo-/hetero-epitaxy, and a low-temperature solution method, single crystals can be grown with controlled locations, morphologies, orientations, and strain levels. By a lifting off approach, single-crystal thin films can be transferred from the epitaxial substrate to a general flexible substrate. Extending this strategy to low-dimensional perovskites yields nanostructured superlattices, based on which a solar cell with an open-circuit voltage exceeding the Shockley-Queisser limit is demonstrated. This approach opens up broad opportunities for hybrid halide perovskite materials based flexible high-performance electronic and optoelectronic devices.
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© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Sheng Xu "Controlled epitaxial growth and fabrication of flexible hybrid halide perovskites", Proc. SPIE PC12660, Organic, Hybrid, and Perovskite Photovoltaics XXIV, PC1266005 (1 October 2023); https://doi.org/10.1117/12.2676612
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KEYWORDS
Perovskite
Fabrication
Crystals
Electronic components
Optoelectronic devices
Microfabrication
Nanostructuring
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