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Effect of Surface Structures on Photocatalytic CO2 Reduction Using Quantized CdS Nanocrystallites
Abstract
A mechanistic investigation on the photocatalytic reduction of CO 2 with hexagonal CdS nanocrystallites prepared in N, N -dimethylformamide (DMF) was carried out from the standpoint of surface structures of the nanocrystallites. A remarkable increase of photocatalytic activity could be achieved by addition of excess Cd 2+ to the system. Analysis of the emission behavior depending on the amount of excess Cd 2+ in the system suggests that the Cd 2+ addition results in the formation of sulfur vacancies on the surface of nanocrystallites due to the adsorption of excess Cd 2+ to the surface. The formation of the sulfur vacancies on the surface was supported by in situ Cd K-edge EXAFS analysis of the nanocrystallites in solution as changes in the coordination numbers of cadmium−sulfur and cadmium−oxygen. Theoretical MO calculations using a density functional (DF) method supported the preferential bidentate-type absorption of CO 2 with the Cd atom in the vicinity of the sulfur vacancy.
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Cited by
Tu, W., Zhou, Y., & Zou, Z. (2014) · Advanced Materials · doi:10.1002/adma.201400087 · Cited by 1,635
Iizuka, K., Wato, T., Miseki, Y., Saito, K., & Kudo, A. (2011) · Journal of the American Chemical Society · doi:10.1021/ja207586e · Cited by 607
Li, X., Wen, J., Low, J., Fang, Y., & Yu, J. (2014) · Science China Materials · doi:10.1007/s40843-014-0003-1 · Cited by 517
Vu, N., Kaliaguine, S., & Do, T. (2019) · Advanced Functional Materials · doi:10.1002/adfm.201901825 · Cited by 445
Wang, J., Lin, S., Tian, N., Ma, T., Zhang, Y., & Huang, H. (2021) · Advanced Functional Materials · doi:10.1002/adfm.202008008 · Cited by 401
Metadata
- Authors
- Fujiwara, H., Hosokawa, H., Murakoshi, K., Wada, Y., Yanagida, S., Okada, T., & Kobayashi, H.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 1997-10-01
- Volume
- 101
- Issue
- 41
- Pages
- 8270-8278
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W1976898034
- Cited by
- 235
- References
- 0
- FWCI
- 4.22
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Effect of Surface Structures on Photocatalytic CO2 Reduction Using Quantized CdS Nanocrystallites. https://app.cochat.ai/papers/10.1021/jp971621q
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- Fujiwara, H., Hosokawa, H., Murakoshi, K., Wada, Y., Yanagida, S., Okada, T., & Kobayashi, H. (1997). Effect of Surface Structures on Photocatalytic CO2 Reduction Using Quantized CdS Nanocrystallites. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp971621q
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