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Enumeration	Reference	Cover	Find
1.	2019 Journal article (peer-reviewed)
2.	Liu, Cheng, et al. (author) Tuning the composition of heavy metal-free quaternary quantum dots for improved photoelectrochemical performance 2021 In: Journal of Materials Chemistry A. - : Royal Society of Chemistry. - 2050-7488 .- 2050-7496. ; 9:9, s. 5825-5832 Journal article (peer-reviewed)abstract Colloidal quantum dots (QDs) are promising building blocks towards the development of cost-effective and high-efficiency photoelectrochemical (PEC) cells. Unfortunately, the frequent use of QDs possessing heavy metals (e.g. Cd and Pb) in state-of-the-art QD-based PEC technologies is a major obstacle regarding their future commercial perspective. In this work, we synthesized heavy metal-free quaternary CuZnInS3 (CZIS) with variable Cu : Zn ratios and fabricated corresponding QDs-PEC devices via a facile chemical bath deposition (CBD) technique. It is revealed that the tuned CZIS (1Zn) QDs (i.e. Cu : Zn ratio of 1 : 1) can result in optimized optical properties including enhanced quantum yield, suppressed nonradiative recombination and extended excitonic lifetime. Accordingly, as-fabricated CZIS (1Zn) QD-based photoanodes demonstrated increased charge transfer rate and decreased electron transport resistance for improved PEC performance. The results indicate that tuning the composition of heavy metal-free multinary QDs is one of the promising pathways to achieve eco-friendly and high-performance PEC systems for solar hydrogen production.

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Type of publication: journal article (2)

Type of content: peer-reviewed (2)

Author/Editor: Kelly, Daniel (1); Bengtsson-Palme, Joh ... (1); Nilsson, Henrik (1); Kelly, Ryan (1); Li, Ying (1); Moore, Matthew D. (1); show more...; Liu, Fang (1); Zhang, Yao (1); Jin, Yi (1); Raza, Ali (1); Rafiq, Muhammad (1); Zhang, Kai (1); Khatlani, T (1); Kahan, Thomas (1); Sörelius, Karl, 1981 ... (1); Batra, Jyotsna (1); Roobol, Monique J (1); Backman, Lars (1); Vomiero, Alberto (1); Yan, Hong (1); Schmidt, Axel (1); Lorkowski, Stefan (1); Thrift, Amanda G. (1); Zhang, Wei (1); Hammerschmidt, Sven (1); Patil, Chandrashekha ... (1); Wang, Jun (1); Pollesello, Piero (1); Conesa, Ana (1); El-Esawi, Mohamed A. (1); Zhang, Weijia (1); Li, Xin (1); Li, Jian (1); Marinello, Francesco (1); Frilander, Mikko J. (1); Wei, Pan (1); Badie, Christophe (1); Zhao, Jing (1); Li, You (1); Bansal, Abhisheka (1); Rahman, Proton (1); Parchi, Piero (1); Polz, Martin (1); Ijzerman, Adriaan P. (1); Subhash, Santhilal, ... (1); Quinn, Terence J. (1); Uversky, Vladimir N. (1); Gemmill, Alison (1); Zhang, Yi (1); Meule, Adrian (1); show less...

University: University of Gothenburg (1); Uppsala University (1); Luleå University of Technology (1); Halmstad University (1); Stockholm University (1); Lund University (1); show more...; Chalmers University of Technology (1); Karolinska Institutet (1); show less...

Language: English (2)

Research subject (UKÄ/SCB): Natural sciences (2); Medical and Health Sciences (1)

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