The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.
Aluminum‐Doped Cesium Lead Bromide Perovskite Nanocrystals with Stable Blue Photoluminescence Used for Display Backlight
Open accessAbstract
Bright and stable blue emitters with narrow full‐width at half‐maxima are particularly desirable for applications in television displays and related technologies. Here, this study shows that doping aluminum (Al 3+) ion into CsPbBr 3 nanocrystals (NCs) using AlBr 3 can afford lead‐halide perovskites NCs with stable blue photoluminescence. First, theoretical and experimental analyses reveal that the extended band gap and quantum confinement effect of elongated shape give rise to the desirable blueshifted emission. Second, the aluminum ion incorporation path is rationalized qualitatively by invoking fundamental considerations about binding relations in AlBr 3 and its dimer. Finally, the absence of anion‐exchange effect is corroborated when green CsPbBr 3 and blue Al:CsPbBr 3 NCs are mixed. Combinations of the above two NCs with red‐emitting CdSe@ZnS NCs result in UV‐pumped white light‐emitting diodes (LED) with an National Television System Committee (NTSC) value of 116% and ITU‐R Recommendation B.T. 2020 (Rec. 2020) of 87%. The color coordinates of the white LED are optimized at (0.32, 0.34) in CIE 1931. The results suggest that low‐cost, earth‐abundant, solution‐processable Al‐doped perovskite NCs can be promising candidate materials for blue down‐conversion layer in backlit displays.
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Doping semiconductor nanocrystals
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Perovskite Materials for Light‐Emitting Diodes and Lasers
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Mn2+-Doped Lead Halide Perovskite Nanocrystals with Dual-Color Emission Controlled by Halide Content
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Cited by
Metal-Doped Lead Halide Perovskites: Synthesis, Properties, and Optoelectronic Applications
Zhou, Y., Chen, J., Bakr, O. M., & Sun, H.-T. (2018) · Chemistry of Materials · doi:10.1021/acs.chemmater.8b02989 · Cited by 650
Achieving Near-Unity Photoluminescence Efficiency for Blue-Violet-Emitting Perovskite Nanocrystals
Mondal, N., De, A., & Samanta, A. (2019) · ACS Energy Letters · doi:10.1021/acsenergylett.8b01909 · Cited by 435
Bi, C., Wang, S., Li, Q., Kershaw, S. V., Tian, J., & Rogach, A. L. (2019) · The Journal of Physical Chemistry Letters · doi:10.1021/acs.jpclett.9b00290 · Cited by 367
Metadata
- Authors
- Liu, M., Zhong, G., Yin, Y., Miao, J., Li, K., Wang, C., Xu, X., Shen, C., & Meng, H.
- Venue
- Advanced Science
- Publisher
- Wiley
- Published
- 2017-07-31
- Volume
- 4
- Issue
- 11
- Pages
- 1700335-1700335
- ISSN
- 2198-3844 (ISSN-L)
- OpenAlex
- W2741706394
- Cited by
- 389
- References
- 25
- FWCI
- 14.10
- Type
- journal article
- Language
- en
- Open access
- gold
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- Liu, M., Zhong, G., Yin, Y., Miao, J., Li, K., Wang, C., Xu, X., Shen, C., & Meng, H. (2017). Aluminum‐Doped Cesium Lead Bromide Perovskite Nanocrystals with Stable Blue Photoluminescence Used for Display Backlight. Advanced Science. https://doi.org/10.1002/advs.201700335
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