What is it about?
In the mesoporous or colloidal TiO2 electron transport layer of perovskite solar cells, photocarriers undergo massive grain boundary resistance, triggering recombination. This work realizes a new design of the TiO2 electron transport layer, i.e. single-crystalline nanograss-like structure, that facilitates facile photocarrier transport and interfacial charge transfer.
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Why is it important?
Single-crystalline TiO2 nanograss enhances interfacial charge transfer from perovskite absorber and reduces carrier recombination due to a highly mobile carrier transport along with the nanograss.
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This page is a summary of: Enhancing the interfacial carrier dynamic in perovskite solar cells with an ultra-thin single-crystalline nanograss-like TiO2 electron transport layer, Journal of Materials Chemistry A, January 2020, Royal Society of Chemistry, DOI: 10.1039/d0ta03176c.
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