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Inorganic Colloidal Perovskite Quantum Dots for Robust Solar CO2 Reduction
Abstract
Inorganic perovskite quantum dots as optoelectronic materials have attracted enormous attention in light‐harvesting and emitting devices. However, photocatalytic conversion based on inorganic perovskite halides has not been reported. Here, we have synthesized colloidal quantum dots (QDs, 3–12 nm) of cesium lead halide perovskites (CsPbBr 3) as a new type of photocatalytic material. The band gap energies and photoluminescence (PL) spectra are tunable over the visible spectral region according to quantum size effects on an atomic scale. The increased carrier lifetime revealed by time‐resolved PL spectra, indicates the efficient electron‐hole separation and transfer. As expected, the CsPbBr 3 QDs with high selectivity of greater than 99 % achieve an efficient yield of 20.9 μmol g−1 towards solar CO 2 reduction. This work has opened a new avenue for inorganic colloidal perovskite materials as efficient photocatalysts to convert CO 2 into valuable fuels.
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Cites
Surface Science Studies of the Photoactivation of TiO 2 New Photochemical Processes
Thompson, T. L., & Yates, J. T. (2006) · Chemical Reviews · doi:10.1021/cr050172k · Cited by 2,064
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Cited by
Cocatalysts for Selective Photoreduction of CO2into Solar Fuels
Li, X., Yu, J., Jaroniec, M., & Chen, X. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00400 · Cited by 2,304
Sheng, J., He, Y., Li, J., Yuan, C., Huang, H., Wang, S., Sun, Y., Wang, Z., & Dong, F. (2020) · ACS Nano · doi:10.1021/acsnano.0c04659 · Cited by 522
Self-citationSemiconductor Quantum Dots: An Emerging Candidate for CO2 Photoreduction
Wu, H., Li, X., Tung, C., & Wu, L. (2019) · Advanced Materials · doi:10.1002/adma.201900709 · Cited by 486
Jiang, Y., Liao, J.-F., Chen, H.-Y., Zhang, H.-H., Li, J.-Y., Wang, X.-D., & Kuang, D.-B. (2020) · Chem · doi:10.1016/j.chempr.2020.01.005 · Cited by 404
Dai, Y., Poidevin, C., Ochoa‐Hernández, C., Auer, A. A., & Tüysüz, H. (2020) · Angewandte Chemie International Edition · doi:10.1002/anie.201915034 · Cited by 269
Metadata
- Authors
- Hou, J., Cao, S., Wu, Y., Gao, Z., Liang, F., Sun, Y., Lin, Z., & Sun, L.
- Venue
- Chemistry – A European Journal
- Publisher
- Wiley
- Published
- 2017-06-23
- Volume
- 23
- Issue
- 40
- Pages
- 9481-9485
- ISSN
- 0947-6539 (ISSN-L)
- 1521-3765
- OpenAlex
- W2615453901
- Cited by
- 291
- References
- 2
- FWCI
- 7.12
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hou, J., Cao, S., Wu, Y., Gao, Z., Liang, F., Sun, Y., Lin, Z., & Sun, L. (2017). Inorganic Colloidal Perovskite Quantum Dots for Robust Solar CO2 Reduction. Chemistry – A European Journal. https://doi.org/10.1002/chem.201702237
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