Cu2ZnSnS4xSe4(1-x) solar cells from polar nanocrystal inks

Joel van Embden, Anthony S. R. Chesman, Enrico Della Gaspera, Noel W. Duffy, Scott E. Watkins, Jacek J. Jasieniak

Research output: Contribution to journalArticleResearchpeer-review

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Abstract

A facile ligand exchange method for dispersing Cu2ZnSnS 4 (CZTS) nanocrystals (NCs) in environmentally benign polar solvents, such as ethanol or n-propanol, at high concentrations (up to 200 mg/mL) is demonstrated. This approach has been applied to CZTS nanocrystals synthesized via scalable, noninjection methods to formulate colloidally stable inks that are suitable for the solution processing of solar cell devices. Unlike other inks currently used to fabricate NC solar cells, the CZTS nanocrystal ink developed here circumvents the need for hydrazine, pyridine, or thiol coordinating solvents. By combining our polar CZTS inks with optimized selenization procedures, substrate CZTSSe solar cells have been successfully fabricated with device efficiencies of 7.7 .
Original languageEnglish
Pages (from-to)5237-5240
Number of pages4
JournalJournal of the American Chemical Society
Volume136
Issue number14
DOIs
Publication statusPublished - Apr 2014
Externally publishedYes

Cite this

van Embden, J., Chesman, A. S. R., Della Gaspera, E., Duffy, N. W., Watkins, S. E., & Jasieniak, J. J. (2014). Cu2ZnSnS4xSe4(1-x) solar cells from polar nanocrystal inks. Journal of the American Chemical Society, 136(14), 5237-5240. https://doi.org/10.1021/ja501218u
van Embden, Joel ; Chesman, Anthony S. R. ; Della Gaspera, Enrico ; Duffy, Noel W. ; Watkins, Scott E. ; Jasieniak, Jacek J. / Cu2ZnSnS4xSe4(1-x) solar cells from polar nanocrystal inks. In: Journal of the American Chemical Society. 2014 ; Vol. 136, No. 14. pp. 5237-5240.
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abstract = "A facile ligand exchange method for dispersing Cu2ZnSnS 4 (CZTS) nanocrystals (NCs) in environmentally benign polar solvents, such as ethanol or n-propanol, at high concentrations (up to 200 mg/mL) is demonstrated. This approach has been applied to CZTS nanocrystals synthesized via scalable, noninjection methods to formulate colloidally stable inks that are suitable for the solution processing of solar cell devices. Unlike other inks currently used to fabricate NC solar cells, the CZTS nanocrystal ink developed here circumvents the need for hydrazine, pyridine, or thiol coordinating solvents. By combining our polar CZTS inks with optimized selenization procedures, substrate CZTSSe solar cells have been successfully fabricated with device efficiencies of 7.7 .",
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van Embden, J, Chesman, ASR, Della Gaspera, E, Duffy, NW, Watkins, SE & Jasieniak, JJ 2014, 'Cu2ZnSnS4xSe4(1-x) solar cells from polar nanocrystal inks', Journal of the American Chemical Society, vol. 136, no. 14, pp. 5237-5240. https://doi.org/10.1021/ja501218u

Cu2ZnSnS4xSe4(1-x) solar cells from polar nanocrystal inks. / van Embden, Joel; Chesman, Anthony S. R.; Della Gaspera, Enrico; Duffy, Noel W.; Watkins, Scott E.; Jasieniak, Jacek J.

In: Journal of the American Chemical Society, Vol. 136, No. 14, 04.2014, p. 5237-5240.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Cu2ZnSnS4xSe4(1-x) solar cells from polar nanocrystal inks

AU - van Embden, Joel

AU - Chesman, Anthony S. R.

AU - Della Gaspera, Enrico

AU - Duffy, Noel W.

AU - Watkins, Scott E.

AU - Jasieniak, Jacek J.

PY - 2014/4

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N2 - A facile ligand exchange method for dispersing Cu2ZnSnS 4 (CZTS) nanocrystals (NCs) in environmentally benign polar solvents, such as ethanol or n-propanol, at high concentrations (up to 200 mg/mL) is demonstrated. This approach has been applied to CZTS nanocrystals synthesized via scalable, noninjection methods to formulate colloidally stable inks that are suitable for the solution processing of solar cell devices. Unlike other inks currently used to fabricate NC solar cells, the CZTS nanocrystal ink developed here circumvents the need for hydrazine, pyridine, or thiol coordinating solvents. By combining our polar CZTS inks with optimized selenization procedures, substrate CZTSSe solar cells have been successfully fabricated with device efficiencies of 7.7 .

AB - A facile ligand exchange method for dispersing Cu2ZnSnS 4 (CZTS) nanocrystals (NCs) in environmentally benign polar solvents, such as ethanol or n-propanol, at high concentrations (up to 200 mg/mL) is demonstrated. This approach has been applied to CZTS nanocrystals synthesized via scalable, noninjection methods to formulate colloidally stable inks that are suitable for the solution processing of solar cell devices. Unlike other inks currently used to fabricate NC solar cells, the CZTS nanocrystal ink developed here circumvents the need for hydrazine, pyridine, or thiol coordinating solvents. By combining our polar CZTS inks with optimized selenization procedures, substrate CZTSSe solar cells have been successfully fabricated with device efficiencies of 7.7 .

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van Embden J, Chesman ASR, Della Gaspera E, Duffy NW, Watkins SE, Jasieniak JJ. Cu2ZnSnS4xSe4(1-x) solar cells from polar nanocrystal inks. Journal of the American Chemical Society. 2014 Apr;136(14):5237-5240. https://doi.org/10.1021/ja501218u