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Engineering triangular carbon quantum dots with unprecedented narrow bandwidth emission for multicolored LEDs
Open accessAbstract
Carbon quantum dots (CQDs) have emerged as promising materials for optoelectronic applications on account of carbon’s intrinsic merits of high stability, low cost, and environment-friendliness. However, the CQDs usually give broad emission with full width at half maximum exceeding 80 nm, which fundamentally limit their display applications. Here we demonstrate multicolored narrow bandwidth emission (full width at half maximum of 30 nm) from triangular CQDs with a quantum yield up to 54–72%. Detailed structural and optical characterizations together with theoretical calculations reveal that the molecular purity and crystalline perfection of the triangular CQDs are key to the high color-purity. Moreover, multicolored light-emitting diodes based on these CQDs display good stability, high color-purity, and high-performance with maximum luminance of 1882–4762 cd m−2 and current efficiency of 1.22–5.11 cd A−1. This work will set the stage for developing next-generation high-performance CQDs-based light-emitting diodes.
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Cites
Metal-free efficient photocatalyst for stable visible water splitting via a two-electron pathway
Liu, J., Liu, Y., Liu, N., Han, Y., Zhang, X., Huang, H., Lifshitz, Y., Lee, S.-T., Zhong, J., & Kang, Z. (2015) · Science · doi:10.1126/science.aaa3145 · Cited by 4,468
Bright, multicoloured light-emitting diodes based on quantum dots
Sun, Q., Wang, Y. A., Li, L. S., Wang, D., Zhu, T., Xu, J., Yang, C., & Li, Y. (2007) · Nature Photonics · doi:10.1038/nphoton.2007.226 · Cited by 1,147
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Cited by
Carbon Dots: A New Type of Carbon-Based Nanomaterial with Wide Applications
Liu, J., Li, R., & Yang, B. (2020) · ACS Central Science · doi:10.1021/acscentsci.0c01306 · Cited by 1,936
Evolution and Synthesis of Carbon Dots: From Carbon Dots to Carbonized Polymer Dots
Xia, C., Zhu, S., Feng, T., Yang, M., & Yang, B. (2019) · Advanced Science · doi:10.1002/advs.201901316 · Cited by 1,508
Recent Advances in Synthesis, Optical Properties, and Biomedical Applications of Carbon Dots
Anwar, S., Ding, H., Xu, M., Hu, X., Li, Z., Wang, J., Liu, L., Jiang, L., Wang, D., Dong, C., et al. (2019) · ACS Applied Bio Materials · doi:10.1021/acsabm.9b00112 · Cited by 367
Future Perspectives and Review on Organic Carbon Dots in Electronic Applications
Semeniuk, M., Yi, Z., Poursorkhabi, V., Tjong, J., Jaffer, S., Lu, Z.-H., & Sain, M. (2019) · ACS Nano · doi:10.1021/acsnano.9b00688 · Cited by 367
Novel properties and applications of carbon nanodots
Xiao, L., & Sun, H. (2018) · Nanoscale Horizons · doi:10.1039/c8nh00106e · Cited by 359
Metadata
- Authors
- Yuan, F., Yuan, T., Sui, L., Wang, Z., Xi, Z., Li, Y., Li, X., Fan, L., Tan, Z., Chen, A., Jin, M., & Yang, S.
- Venue
- Nature Communications
- Published
- 2018-06-08
- Volume
- 9
- Issue
- 1
- Pages
- 2249-2249
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2805881835
- Cited by
- 1,007
- References
- 2
- FWCI
- 34.25
- Type
- journal article
- Language
- en
- Open access
- gold
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- Yuan, F., Yuan, T., Sui, L., Wang, Z., Xi, Z., Li, Y., Li, X., Fan, L., Tan, Z., Chen, A., Jin, M., & Yang, S. (2018). Engineering triangular carbon quantum dots with unprecedented narrow bandwidth emission for multicolored LEDs. Nature Communications. https://doi.org/10.1038/s41467-018-04635-5
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