The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
Hydrochromic CsPbBr3 Nanocrystals for Anti‐Counterfeiting
Abstract
Hydrochromic materials that can reversibly change color upon water treatment have attracted much attention owing to their potential applications in diverse fields. Herein, for the first time, we report that space‐confined CsPbBr 3 nanocrystals (NCs) are hydrochromic. When CsPbBr 3 NCs are loaded into a porous matrix, reversible transition between luminescent CsPbBr 3 and non‐luminescent CsPb 2 Br 5 can be achieved upon the exposure/removal of water. The potential applications of hydrochromic CsPbBr 3 NCs in anti‐counterfeiting are demonstrated by using CsPbBr 3 NCs@mesoporous silica nanospheres (around 100 nm) as the starting material. Owing to the small particle size and negatively charged surface, the as‐prepared particles can be laser‐jet printed with high precision and high speed. We demonstrate the excellent stability over repeated transformation cycles without color fade. This new discovery may not only deepen the understanding of CsPbX 3, but also open a new way to design CsPbX 3 materials for new applications.
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Cites
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One-Pot Synthesis of Highly Stable CsPbBr3@SiO2 Core–Shell Nanoparticles
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Mechanochromic and Thermochromic Luminescence of a Copper Iodide Cluster
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Materials with Tunable Optical Properties for Wearable Epidermal Sensing in Health Monitoring
Han, F., Wang, T., Liu, G., Liu, H., Xie, X., Wei, Z., Li, J., Jiang, C., He, Y., & Xu, F. (2022) · Advanced Materials · doi:10.1002/adma.202109055 · Cited by 250
Metadata
- Authors
- Yu, X., Wu, L., Yang, D., Cao, M., Fan, X., Lin, H., Zhong, Q., Xu, Y., & Zhang, Q.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2020-07-07
- Volume
- 59
- Issue
- 34
- Pages
- 14527-14532
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W3033398004
- Cited by
- 281
- References
- 40
- FWCI
- 15.19
- Type
- journal article
- Language
- en
- Open access
- closed
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