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Sustainable remanufacturing of mesoscopic carbon perovskite solar cells using green solvents

Karen Valadez Villalobos, Carys Worsley, Rodrigo Garcia Rodriguez, Trystan Watson Orcid Logo, Matthew Davies Orcid Logo

RSC Sustainability

Swansea University Authors: Karen Valadez Villalobos, Carys Worsley, Rodrigo Garcia Rodriguez, Trystan Watson Orcid Logo, Matthew Davies Orcid Logo

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DOI (Published version): 10.1039/d5su00707k

Abstract

We present a green-solvent remanufacturing strategy for mesoscopic carbon-based perovskite solar cells (CPSCs) that enables complete recovery of the printed device stack. By immersing aged devices in γ-valerolactone (GVL), the perovskite absorber can be selectively removed without harming the underl...

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Published in: RSC Sustainability
ISSN: 2753-8125
Published: Royal Society of Chemistry (RSC)
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URI: https://cronfa.swan.ac.uk/Record/cronfa71194
Abstract: We present a green-solvent remanufacturing strategy for mesoscopic carbon-based perovskite solar cells (CPSCs) that enables complete recovery of the printed device stack. By immersing aged devices in γ-valerolactone (GVL), the perovskite absorber can be selectively removed without harming the underlying mesoporous carbon scaffold. Fresh perovskite is then reinfiltrated, restoring up to 89% of the device's first life power conversion efficiency (PCE). This sustainable method offers a promising route toward circularity in scalable perovskite photovoltaic technologies.
College: Faculty of Science and Engineering
Funders: This work was made possible by support from the Engineering and Physical Sciences Research Council (EP/S001336/1 and EP/X025217/1) and through the funding of the SPECIFIC Innovation and Knowledge Centre by EPSRC (EP/ N020863/1), Innovate UK [920036], and the European Regional Development Fund [c80892] through the Welsh Government. MLD and TMW are also grateful for funding of the TEA@SUNRISE project, funded with UK aid from the UK government via the Transforming Energy Access platform, and to funding from the UK Government's Ayrton Challenge through the International Science Partnerships Fund (ISPF) as part of the REACH-PSM project.

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