2021
DOI: 10.1002/solr.202100710
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Stabilization Techniques of Lead Halide Perovskite for Photovoltaic Applications

Abstract: The emergence of lead halide perovskites as light absorbers has enabled low cost and efficient photovoltaics via a simple solution, high‐throughout process. However, the perovskite materials suffer from instability under various environmental stressors, including moisture, oxygen, heat, and irradiation, which heavily hinders the practical application of perovskite solar cells (PSCs). In this review, the structural and performance instability of perovskites and their degradation causes and mechanisms under diff… Show more

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Cited by 12 publications
(9 citation statements)
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References 226 publications
(353 reference statements)
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“…The APbX 3 Pb halide perovskites (HaPs), with A being a monovalent cation and X a halide anion, are attractive materials for inexpensive yet very efficient thin polycrystalline film solar cells, , light-emitting diodes, , and radiation , and particle detectors . However, doubts about the stability of the devices and even of the materials themselves overshadows their outstanding performance because, under certain conditions, HaPs degrade during exposure to intense radiation and humid conditions. , To date, most studies on stability have been done on complete devices with a multicomponent architecture, where it is likely that changes occur at interfaces and in the non-HaP parts of the devices . Therefore, it is challenging to extract the extent and kinetics of HaP material degradation by itself.…”
mentioning
confidence: 99%
“…The APbX 3 Pb halide perovskites (HaPs), with A being a monovalent cation and X a halide anion, are attractive materials for inexpensive yet very efficient thin polycrystalline film solar cells, , light-emitting diodes, , and radiation , and particle detectors . However, doubts about the stability of the devices and even of the materials themselves overshadows their outstanding performance because, under certain conditions, HaPs degrade during exposure to intense radiation and humid conditions. , To date, most studies on stability have been done on complete devices with a multicomponent architecture, where it is likely that changes occur at interfaces and in the non-HaP parts of the devices . Therefore, it is challenging to extract the extent and kinetics of HaP material degradation by itself.…”
mentioning
confidence: 99%
“…Unlike halides, SCN − forms a stronger ionic and hydrogen bond with Pb 2+ and the organic A-site cation, respectively, thereby suppressing halide-related defects. 8,9 Moreover, significant breakthroughs in the material stability and device performance have been exhibited by regulating surface defects, making surface passivation of perovskite NCs a vital part of the synthesis. Thus far, surface modification by organic−inorganic ion pairs, 10 benzoic acid, 11 or branched structure capping ligands, 12 amongst others, has been applied to increase the stability against the external environment.…”
Section: ■ Introductionmentioning
confidence: 99%
“…1,2 In the past decade, the power conversion efficiency (PCE) of lead-based PSCs boost rapidly from 3.8% to 25.7%, comparable with the commercial silicon solar cell. 3 However, the toxicity of lead and potential environmental hazard hinder their practical application. 4 As an alternative, a series of lead-free perovskite materials, including Sn, Bi, and Ge-based perovskites have been widely explored.…”
Section: Introductionmentioning
confidence: 99%