The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.
Highly Efficient Blue‐Emitting Bi‐Doped Cs2SnCl6 Perovskite Variant: Photoluminescence Induced by Impurity Doping
Abstract
Lead halide perovskites show excellent optoelectronic properties but are unsatisfactory in terms of stability and toxicity. Herein, bismuth (Bi)‐doped lead‐free inorganic perovskites Cs 2 SnCl 6:Bi are reported as blue emissive phosphors. Upon Bi doping, the originally nonluminous Cs 2 SnCl 6 exhibits a highly efficient deep‐blue emission at 455 nm, with a Stokes shift of 106 nm and a high photoluminescence quantum yield (PLQY) close to 80%. Hybrid density functional theory calculations suggest the preferred formation of [Bi Sn+V Cl] defect complex, which is believed to be responsible for the optical absorption and the associated blue emission. The Cs 2 SnCl 6:Bi also shows impressive thermal and water stability due to its inorganic nature and the formation of protective BiOCl layer. White light‐emitting diodes (LEDs) are constructed using Cs 2 SnCl 6:Bi and commercial yellow phosphors combined with commercial UV LED chips, giving the Commission Internationale de I'Eclairage (CIE) color coordinates of (0.36, 0.37). This work represents a significant step toward the realization of highly efficient, stable, and environmentally benign next‐generation solid‐state lighting.
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Cites
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Cited by
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Metadata
- Authors
- Tan, Z., Li, J., Zhang, C., Li, Z., Hu, Q., Xiao, Z., Kamiya, T., Hosono, H., Niu, G., Lifshitz, E., Cheng, Y., & Tang, J.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2018-05-21
- Volume
- 28
- Issue
- 29
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2803136332
- Cited by
- 502
- References
- 47
- FWCI
- 19.38
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tan, Z., Li, J., Zhang, C., Li, Z., Hu, Q., Xiao, Z., Kamiya, T., Hosono, H., Niu, G., Lifshitz, E., Cheng, Y., & Tang, J. (2018). Highly Efficient Blue‐Emitting Bi‐Doped Cs2SnCl6 Perovskite Variant: Photoluminescence Induced by Impurity Doping. Advanced Functional Materials. https://doi.org/10.1002/adfm.201801131
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