Mn-Doped Organic-Inorganic Perovskite Nanocrystals for a Flexible Luminescent Solar Concentrator
ACS APPLIED ENERGY MATERIALS(2021)
摘要
We report a robust method of hot addition (HAM) to prepare methylammonium lead trichloride (MAPbCl(3)) and Mn-doped MAPbCl(3) (Mn:MAPbCl(3)) perovskite nanocrystals (PeNCs) for application in luminescent solar concentrators (LSCs). The HAM, which is free of solvent and operates at high temperatures, is applicable to the synthesis of highly crystalline and stable organic-inorganic PeNCs with tunable optical properties. The Mn:MAPbCl(3) PeNCs showed a remarkable energy-transfer shift from 400 to 600 nm that enhanced the optical efficiency when these PeNCs were incorporated in an LSC with a silicon solar-cell module. An optical efficiency (OE) greater than 8% was achieved on incorporation of only 0.094 mass % Mn:MAPbCl(3) PeNCs in the LSC. A Monte-Carlo ray-tracing simulation was developed to improve the understanding of the experimental results and estimate the ultimate device performance for future application in building-integrated photovoltaic devices.
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关键词
perovskite nanocrystals, hot addition method, luminescent downshifting, optical efficiency, Monte-Carlo ray-tracing simulation
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