Chemistry of Materials, volume 28, issue 4, pages 1107-1120
Investigating the Control by Quantum Confinement and Surface Ligand Coating of Photocatalytic Efficiency in Chalcopyrite Copper Indium Diselenide Nanocrystals
Atanu Kumar Jana
1
,
Katie N Lawrence
1
,
Meghan B Teunis
1
,
Manik Mandal
2
,
Amar Kumbhar
3
,
Rajesh Sardar
1, 4
Publication type: Journal Article
Publication date: 2016-02-11
Journal:
Chemistry of Materials
Q1
Q1
SJR: 2.421
CiteScore: 14.1
Impact factor: 7.2
ISSN: 08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
In the past few years, there has been immense interest in the preparation of sustainable photocatalysts composed of semiconductor nanocrystals (NCs) as one of their components. We report here, for the first time, the effects of structural parameters of copper indium diselenide (CuInSe2) NCs on visible light-driven photocatalytic degradation of pollutants under homogeneous conditions. Ligand exchange reactions were performed replacing insulating, oleylamine capping with poly(ethylene glycol) thiols to prepare PEG-thiolate-capped, 1.8–5.3 nm diameter CuInSe2 NCs to enhance their solubility in water. This unique solubility property caused inner-sphere electron transfer reactions (O2 to O2•−) to occur at the NC surface, allowing for sustainable photocatalytic reactions. Electrochemical characterization of our dissolved CuInSe2 NCs showed that the thermodynamic driving force (−ΔG) for oxygen reduction, which increased with decreased NC size, was the dominant contributor to the overall process when compared to ...
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Jana A. K. et al. Investigating the Control by Quantum Confinement and Surface Ligand Coating of Photocatalytic Efficiency in Chalcopyrite Copper Indium Diselenide Nanocrystals // Chemistry of Materials. 2016. Vol. 28. No. 4. pp. 1107-1120.
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Jana A. K., Lawrence K. N., Teunis M. B., Mandal M., Kumbhar A., Sardar R. Investigating the Control by Quantum Confinement and Surface Ligand Coating of Photocatalytic Efficiency in Chalcopyrite Copper Indium Diselenide Nanocrystals // Chemistry of Materials. 2016. Vol. 28. No. 4. pp. 1107-1120.
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RIS
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TY - JOUR
DO - 10.1021/acs.chemmater.5b04521
UR - https://doi.org/10.1021/acs.chemmater.5b04521
TI - Investigating the Control by Quantum Confinement and Surface Ligand Coating of Photocatalytic Efficiency in Chalcopyrite Copper Indium Diselenide Nanocrystals
T2 - Chemistry of Materials
AU - Jana, Atanu Kumar
AU - Lawrence, Katie N
AU - Teunis, Meghan B
AU - Mandal, Manik
AU - Kumbhar, Amar
AU - Sardar, Rajesh
PY - 2016
DA - 2016/02/11
PB - American Chemical Society (ACS)
SP - 1107-1120
IS - 4
VL - 28
SN - 0897-4756
SN - 1520-5002
ER -
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@article{2016_Jana,
author = {Atanu Kumar Jana and Katie N Lawrence and Meghan B Teunis and Manik Mandal and Amar Kumbhar and Rajesh Sardar},
title = {Investigating the Control by Quantum Confinement and Surface Ligand Coating of Photocatalytic Efficiency in Chalcopyrite Copper Indium Diselenide Nanocrystals},
journal = {Chemistry of Materials},
year = {2016},
volume = {28},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021/acs.chemmater.5b04521},
number = {4},
pages = {1107--1120},
doi = {10.1021/acs.chemmater.5b04521}
}
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Jana, Atanu Kumar, et al. “Investigating the Control by Quantum Confinement and Surface Ligand Coating of Photocatalytic Efficiency in Chalcopyrite Copper Indium Diselenide Nanocrystals.” Chemistry of Materials, vol. 28, no. 4, Feb. 2016, pp. 1107-1120. https://doi.org/10.1021/acs.chemmater.5b04521.