Anomalous photovoltaic behavior under illumination of γ - In2Se3 nanostructures used as hole transport layer in organic solar cell

Mildred A. Airo,Francis Otieno, Olusola Akbim,Rudolph Erasmus,Nosipho Moloto,Makwena J. Moloto

Solar Energy（2022）

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摘要

•Controlled growth of gamma-In2Se3 in oleylamine.•Defect levels in the forbidden gap of γ-In2Se3 due to cationic vacancies.•The defect levels act as traps for photoexcited electrons under illumination.•Anomalous photovoltaic behaviour due to reduced conductivity/ shifted flat band potential.

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关键词

In2Se3 Stoichiometric ratio,γ-In2Se3 phase,Negative photoconductivity,Anomalous photovoltaic behavior

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