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Organo metal halide perovskites effectively photosensitize the production of singlet oxygen (1Δg)

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Abstract

Using the steady state and time resolved NIR emission and specific chemical trapping techniques, we show for the first time that metal halide perovskite quantum dots can effectively generate singlet oxygen with a quantum yield of up to 0.34, the highest among nano semiconductor/nano metal singlet oxygen photosensitizers. The mechanism is concluded to be due to energy transfer from triplet excitons to molecular oxygen.

Graphical abstract: Organo metal halide perovskites effectively photosensitize the production of singlet oxygen (1Δg)

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Publication details

The article was received on 18 Aug 2019, accepted on 03 Oct 2019 and first published on 08 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC06397H
Chem. Commun., 2019, Advance Article

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    Organo metal halide perovskites effectively photosensitize the production of singlet oxygen (1Δg)

    X. Zhang and B. Xu, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC06397H

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