A novel optical sensor for Pb2+ detection based on in-situ formation of Ruddlesden-Popper phase (C4H9NH3)2PbBr4 perovskite
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Author(s)
Zhang, L
Wang, J
Zheng, R
Feng, X
Wei, W
Zou, W
Yang, Z
Zheng, Y
Chen, H
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Abstract
On account of the concentration sensitive photoluminescence (PL) property of the lead-based Ruddlesden-Popper (RP) phase perovskite material, a novel sensing mechanism for highly selective Pb2+ detection based on the in-situ formation of highly emissive luminescence structure matrix (C4H9NH3)2PbBr4 has been demonstrated. The sensor exhibits high sensitivity and selectivity for detecting Pb2+ in complex metal cations mixture solution. This research reports a novel type of sensor mechanism based on the in-situ formation of luminescent lead-based RP phase perovskite. It paves the way for developing highly selective optical sensors for detecting heavy metal cations via their corresponding luminescence structure matrix.
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Materials Letters
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308
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Part B
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Macromolecular and materials chemistry
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Ma, J; Zhang, L; Wang, J; Zheng, R; Feng, X; Wei, W; Zou, W; Yang, Z; Zheng, Y; Chen, H, A novel optical sensor for Pb2+ detection based on in-situ formation of Ruddlesden-Popper phase (C4H9NH3)2PbBr4 perovskite, Materials Letters, 2022, 308 (Part B), pp. 131280