Universität zu Köln

Hoang, Minh Tam ORCID: 0000-0003-1068-4752, Unlu, Feray ORCID: 0000-0001-7242-8020, Martens, Wayde ORCID: 0000-0002-0959-6838, Bell, John, Mathur, Sanjay and Wang, Hongxia ORCID: 0000-0003-0146-5259 (2021). Towards the environmentally friendly solution processing of metal halide perovskite technology. Green Chem., 23 (15). S. 5302 - 5337. CAMBRIDGE: ROYAL SOC CHEMISTRY. ISSN 1463-9270

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Abstract

Metal halide perovskite materials have demonstrated unique properties for applications in optoelectrical devices such as solar cells, light-emitting diodes and photodetectors. The unprecedented world-record energy conversion efficiency of over 25% achieved with solution-processed perovskite solar cells is escalating research towards the commercialisation of the perovskite materials. Nevertheless, the use of large amounts of hazardous and carcinogenic solvents such as N,N-dimethylformamide (DMF), N-methyl-2-pyrrolidone (NMP), and skin-penetrating dimethyl sulfoxide (DMSO) in the current perovskite synthesis protocols are limited for the commercial uptake of perovskite technology as these detrimental solvents can cause environmental, health and safety issues. Therefore, the development of alternative environmentally-friendly, green solvents for the synthesis of perovskite materials including thin films, nanocrystals or single-crystals with desirable properties is critical for the commercialisation of perovskite technologies. In this review, we summarize the research progress of solution-processable perovskite material using low-toxic and green solvent alternatives. We discuss the fundamental properties that need to be considered in screening solvents for the solution processing of metal halide perovskites. By carefully analysing the common features of solvents and anti-solvent systems that have been reported for making perovskite precursor inks for applications in solar cells and light-emitting diodes, we provide insight into the relationship between the solvent molecular ligand - properties of perovskite materials - device performance. We discuss the advantages and challenges of each type of green solvent based on their performance in metal halide perovskite technology, effects on the environment, human health and safety, aiming to provide guidelines towards green metal halide perovskite technology.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Hoang, Minh Tam UNSPECIFIED orcid.org/0000-0003-1068-4752 UNSPECIFIED Unlu, Feray UNSPECIFIED orcid.org/0000-0001-7242-8020 UNSPECIFIED Martens, Wayde UNSPECIFIED orcid.org/0000-0002-0959-6838 UNSPECIFIED Bell, John UNSPECIFIED UNSPECIFIED UNSPECIFIED Mathur, Sanjay UNSPECIFIED UNSPECIFIED UNSPECIFIED Wang, Hongxia UNSPECIFIED orcid.org/0000-0003-0146-5259 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-579565
DOI:	10.1039/d1gc01756j
Journal or Publication Title:	Green Chem.
Volume:	23
Number:	15
Page Range:	S. 5302 - 5337
Date:	2021
Publisher:	ROYAL SOC CHEMISTRY
Place of Publication:	CAMBRIDGE
ISSN:	1463-9270
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LEAD IODIDE PEROVSKITE; SOLAR-CELLS; THIN-FILMS; LARGE-AREA; COORDINATION CHEMISTRY; HIGHLY EFFICIENT; BASE ADDUCT; SOLVENT; PERFORMANCE; CRYSTALLIZATION Multiple languages Chemistry, Multidisciplinary; Green & Sustainable Science & Technology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/57956