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One-Step Preparation of Long-Term Stable and Flexible CsPbBr3Perovskite Quantum Dots/Ethylene Vinyl Acetate Copolymer Composite Films for White Light-Emitting Diodes
Abstract
CsPbBr 3 perovskite quantum dots (PQDs)/ethylene vinyl acetate (EVA) composite films were prepared via a one-step method; on the basis of this, both supersaturated recrystallization of CsPbBr 3 PQDs and dissolution of EVA were realized in toluene. The prepared films display outstanding green-emitting performance with high color purity of 92% and photoluminescence (PL) quantum yield of 40.5% at appropriate CsPbBr 3 PQD loading. They possess long-term stable luminescent properties in the air and in water, benefiting from the effective protection of CsPbBr 3 PQDs by the EVA matrix. Besides, the prepared CsPbBr 3 PQDs/EVA films are flexible enough to be repeatedly bent for 1000 cycles while keeping unchanged the PL intensity. The optical properties of the CsPbBr 3 PQDs/EVA films in white light-emitting diodes were also studied by experiments and theoretical simulation. Overall, facile preparation process, good long-term stability, and high flexibility allow our green-emitting CsPbBr 3 PQDs/EVA films to be applied in lighting applications and flexible displays.
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Cited by
Wei, Y., Cheng, Z., & Lin, J. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00740c · Cited by 1,206
Liquid-phase sintering of lead halide perovskites and metal-organic framework glasses
Hou, J., Chen, P., Shukla, A., Krajnc, A., Wang, T., Li, X., Doasa, R., Tizei, L. H. G., Chan, B., Johnstone, D. N., et al. (2021) · Science · doi:10.1126/science.abf4460 · Cited by 280
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
Metadata
- Authors
- Li, Y., Lv, Y., Guo, Z., Dong, L., Zheng, J., Chai, C., Chen, N., Lu, Y., & Chen, C.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-04-19
- Volume
- 10
- Issue
- 18
- Pages
- 15888-15894
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2802635037
- Cited by
- 193
- References
- 0
- FWCI
- 9.60
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: One-Step Preparation of Long-Term Stable and Flexible CsPbBr3Perovskite Quantum Dots/Ethylene Vinyl Acetate Copolymer Composite Films for White Light-Emitting Diodes. https://app.cochat.ai/papers/10.1021/acsami.8b02857
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- Li, Y., Lv, Y., Guo, Z., Dong, L., Zheng, J., Chai, C., Chen, N., Lu, Y., & Chen, C. (2018). One-Step Preparation of Long-Term Stable and Flexible CsPbBr3Perovskite Quantum Dots/Ethylene Vinyl Acetate Copolymer Composite Films for White Light-Emitting Diodes. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.8b02857
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