The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Embedding Perovskite Nanocrystals into a Polymer Matrix for Tunable Luminescence Probes in Cell Imaging
Abstract
Lead halide perovskite nanocrystals (NCs) with bright luminescence and broad spectral tunability are good candidates as smart probes for bioimaging, but suffer from hydrolysis even when exposed to atmosphere moisture. In this paper, a strategy is demonstrated by embedding CsPbX 3 (X = Cl, Br, I) NCs into microhemispheres (MHSs) of polystyrene matrix to prepare “water‐resistant” NCs@MHSs hybrids as multicolor multiplexed optical coding agents. First, a facile room‐temperature solution self‐assembly approach to highly luminescent colloidal CsPbX 3 NCs is developed by injecting a stock solution of CsX⋅PbX 2 in N,N‐dimethylformamide into dichloromethane. Polyvinyl pyrrolidone (PVP) is chosen as the capping ligand, which is physically adsorbed and wrapped on the surface of perovskite NCs to form a protective layer. The PVP protective layer not only leads to composition‐tunable CsPbX 3 NCs with high quantum yields and narrow emission linewidths of 12–34 nm but also acts as an interfacial layer, making perovskite NCs compatible with polystyrene polymers and facilitating the next step to embed CsPbX 3 NCs into polymer MHSs. CsPbX 3 NCs@MHSs are demonstrated as multicolor luminescence probes in live cells with high stability and nontoxicity. Using ten intensity levels and seven‐color NCs@MHSs that show non‐overlapping spectra, it will be possible to individually tag about ten million cells.
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Cites
Solvent engineering for high-performance inorganic–organic hybrid perovskite solar cells
Jeon, N. J., Noh, J. H., Kim, Y. C., Yang, W. S., Ryu, S., & Seok, S. I. (2014) · Nature Materials · doi:10.1038/nmat4014 · Cited by 6,723
Akkerman, Q. A., D’Innocenzo, V., Accornero, S., Scarpellini, A., Petrozza, A., Prato, M., & Manna, L. (2015) · Journal of the American Chemical Society · doi:10.1021/jacs.5b05602 · Cited by 2,197
Perovskite Microdisk Microlasers Self‐Assembled from Solution
Liao, Q., Hu, K., Zhang, H., Wang, X., Yao, J., & Fu, H. (2015) · Advanced Materials · doi:10.1002/adma.201500449 · Cited by 406
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Cited by
Genesis, challenges and opportunities for colloidal lead halide perovskite nanocrystals
Akkerman, Q. A., Rainò, G., Kovalenko, M. V., & Manna, L. (2018) · Nature Materials · doi:10.1038/s41563-018-0018-4 · Cited by 2,287
Luo, F., Li, S., Cui, L., Zu, Y., Chen, Y., Huang, D., Weng, Z., & Lin, Z. (2021) · Nanoscale · doi:10.1039/d1nr02248b · Cited by 42
Peng, M., Zhang, F., Tian, L., You, L., Wu, J., Wen, N., Zhang, Y., Wu, Y., Gan, F., Yu, H., et al. (2022) · Polymers · doi:10.3390/polym14204354 · Cited by 8
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Metadata
- Authors
- Zhang, H., Wang, X., Liao, Q., Xu, Z., Li, H., Zheng, L., & Fu, H.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2017-01-11
- Volume
- 27
- Issue
- 7
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2576106627
- Cited by
- 416
- References
- 3
- FWCI
- 19.91
- Type
- journal article
- Language
- en
- Open access
- closed
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