The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.
Ultralong UV/mechano-excited room temperature phosphorescence from purely organic cluster excitons
Open accessAbstract
Purely organic room temperature phosphorescence (RTP) has attracted wide attention recently due to its various application potentials. However, ultralong RTP (URTP) with high efficiency is still rarely achieved. Herein, by dissolving 1,8-naphthalic anhydride in certain organic solid hosts, URTP with a lifetime of over 600 ms and overall quantum yield of over 20% is realized. Meanwhile, the URTP can also be achieved by mechanical excitation when the host is mechanoluminescent. Femtosecond transient absorption studies reveal that intersystem crossing of the host is accelerated substantially in the presence of a trace amount of 1,8-naphthalic anhydride. Accordingly, we propose that a cluster exciton spanning the host and guest forms as a transient state before the guest acts as an energy trap for the RTP state. The cluster exciton model proposed here is expected to help expand the varieties of purely organic URTP materials based on an advanced understanding of guest/host combinations.
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Self-citationAggregate Science: From Structures to Properties
Zhang, H., Zhao, Z., Turley, A. T., Wang, L., McGonigal, P. R., Tu, Y., Li, Y., Wang, Z., Kwok, R. T. K., Lam, J. W. Y., et al. (2020) · Advanced Materials · doi:10.1002/adma.202001457 · Cited by 518
Self-citationXiao, F., Gao, H., Lei, Y., Dai, W., Liu, M., Zheng, X., Cai, Z., Huang, X., Wu, H., & Ding, D. (2022) · Nature Communications · doi:10.1038/s41467-021-27914-0 · Cited by 470
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Wide-range lifetime-tunable and responsive ultralong organic phosphorescent multi-host/guest system
Xie, Z., Zhang, X., Wang, H., Huang, C., Sun, H., Dong, M., Ji, L., An, Z., Yu, T., & Huang, W. (2021) · Nature Communications · doi:10.1038/s41467-021-23742-4 · Cited by 292
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Metadata
- Authors
- Zhang, X., Du, L., Zhao, W., Zhao, Z., Xiong, Y., He, X., Gao, P. F., Alam, P., Wang, C., Li, Z., Leng, J., Liu, J., Zhou, C., Lam, J. W. Y., Phillips, D. L., Zhang, G., & Tang, B. Z.
- Venue
- Nature Communications
- Published
- 2019-11-14
- Volume
- 10
- Issue
- 1
- Pages
- 5161-5161
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2985461643
- Cited by
- 315
- References
- 6
- FWCI
- 13.55
- Type
- journal article
- Language
- en
- Open access
- gold
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- Zhang, X., Du, L., Zhao, W., Zhao, Z., Xiong, Y., He, X., Gao, P. F., Alam, P., Wang, C., Li, Z., Leng, J., Liu, J., Zhou, C., Lam, J. W. Y., Phillips, D. L., Zhang, G., & Tang, B. Z. (2019). Ultralong UV/mechano-excited room temperature phosphorescence from purely organic cluster excitons. Nature Communications. https://doi.org/10.1038/s41467-019-13048-x
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