Organo metal halide perovskites effectively photosensitize the production of singlet oxygen (¹Δg)
2019
Zhang, Xian-Fu | Xu, Baomin
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.
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