The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
A Universal Ternary‐Solvent‐Ink Strategy toward Efficient Inkjet‐Printed Perovskite Quantum Dot Light‐Emitting Diodes
Abstract
Toward next‐generation electroluminescent quantum dot (QD) displays, inkjet printing technique has been convinced as one of the most promising low‐cost and large‐scale manufacturing of patterned quantum dot light‐emitting diodes (QLEDs). The development of high‐quality and stable QD inks is a key step to push this technology toward practical applications. Herein, a universal ternary‐solvent‐ink strategy is proposed for the cesium lead halides (CsPbX 3) perovskite QDs and their corresponding inkjet‐printed QLEDs. With this tailor‐made ternary halogen‐free solvent (naphthene, n‐tridecane, and n‐nonane) recipe, a highly dispersive and stable CsPbX 3 QD ink is obtained, which exhibits much better printability and film‐forming ability than that of the binary solvent (naphthene and n‐tridecane) system, leading to a much better qualitied perovskite QD thin film. Consequently, a record peak external quantum efficiency (EQE) of 8.54% and maximum luminance of 43 883.39 cd m−2 is achieved in inkjet‐printed green perovskite QLEDs, which is much higher than that of the binary‐solvent‐system‐based devices (EQE = 2.26%). Moreover, the ternary‐solvent‐system exhibits a universal applicability in the inkjet‐printed red and blue perovskite QLEDs as well as cadmium (Cd)‐based QLEDs. This work demonstrates a new strategy for tailor‐making a general ternary‐solvent‐QD‐ink system for efficient inkjet‐printed QLEDs as well as the other solution‐processed electronic devices in the future.
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Citations
Cites
Quantum Dot Light‐Emitting Diodes Based on Inorganic Perovskite Cesium Lead Halides (CsPbX3)
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Self-citationProperties and potential optoelectronic applications of lead halide perovskite nanocrystals
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Inkjet Printing—Process and Its Applications
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Marangoni Effect Reverses Coffee-Ring Depositions
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Self-citationHighly Efficient Perovskite‐Quantum‐Dot Light‐Emitting Diodes by Surface Engineering
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Ligand-engineered bandgap stability in mixed-halide perovskite LEDs
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Bipolar-shell resurfacing for blue LEDs based on strongly confined perovskite quantum dots
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Cited by
Passivation strategies for mitigating defect challenges in halide perovskite light-emitting diodes
Shen, X., Kang, K., Yu, Z., Jeong, W. H., Choi, H., Park, S. H., Stranks, S. D., Snaith, H. J., Friend, R. H., & Lee, B. R. (2023) · Joule · doi:10.1016/j.joule.2023.01.008 · Cited by 197
Li, D., Zhuang, P., & Sun, C. (2024) · Journal of Materials Chemistry C · doi:10.1039/d3tc04505f · Cited by 23
Metadata
- Authors
- Wei, C., Su, W., Li, J., Xu, B., Shan, Q., Wu, Y., Zhang, F., Luo, M., Xiang, H., Cui, Z., & Zeng, H.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2022-01-31
- Volume
- 34
- Issue
- 10
- Pages
- e2107798-e2107798
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W4206670058
- Cited by
- 284
- References
- 41
- FWCI
- 16.13
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Wei, C., Su, W., Li, J., Xu, B., Shan, Q., Wu, Y., Zhang, F., Luo, M., Xiang, H., Cui, Z., & Zeng, H. (2022). A Universal Ternary‐Solvent‐Ink Strategy toward Efficient Inkjet‐Printed Perovskite Quantum Dot Light‐Emitting Diodes. Advanced Materials. https://doi.org/10.1002/adma.202107798
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