Bioinspired scaffolds that sequester lead ions in physically damaged high efficiency perovskite solar cells

Muhamad Z. Mokhtar; Jiangyu He; Menghan Li; Qian Chen; Jack Chun Ren Ke; David J. Lewis; Andrew G. Thomas; Ben F. Spencer; Saif A. Haque; Brian R. Saunders

doi:10.1039/D0CC02957B

Bioinspired scaffolds that sequester lead ions in physically damaged high efficiency perovskite solar cells†

Muhamad Z. Mokhtar,

*^a Jiangyu He,^a Menghan Li,^a Qian Chen,^a Jack Chun Ren Ke,

^a David J. Lewis,

^a Andrew G. Thomas,^ab Ben F. Spencer,

^ab Saif A. Haque

^c and Brian R. Saunders

*^a

Author affiliations

* Corresponding authors

^a Department of Materials, University of Manchester, Manchester, UK
E-mail: muhamadzulhasif.mokhtar@manchester.ac.uk, brian.saunders@manchester.ac.uk

^b Photon Science Institute and The Henry Royce Institute, University of Manchester, Manchester, UK

^c Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, Wood Lane, UK

Abstract

Hydroxyapatite nanoparticles (HAP NPs) are blended with TiO₂ NPs to prepare mixed mesoporous scaffolds which are used to prepare high efficiency perovskite solar cells (PSCs) with a best power conversion efficiency (PCE) of 20.98%. HAP not only increases the PCE but also limits the concentration of Pb released in water from intentionally broken PSCs by ion sequestration thereby potentially offering a promising in-device fail-safe system.

Chemical Communications

Bioinspired scaffolds that sequester lead ions in physically damaged high efficiency perovskite solar cells†

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Bioinspired scaffolds that sequester lead ions in physically damaged high efficiency perovskite solar cells

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