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Aggregation-Induced Emission: Effects of Molecular Structure, Solid-State Conformation, and Morphological Packing Arrangement on Light-Emitting Behaviors of Diphenyldibenzofulvene Derivatives
Abstract
Propeller-shaped molecules diphenyldibenzofulvene ( 1 ) and (4-methoxyphenyl)phenyldibenzofulvene ( 2 ) were nonemissive when dissolved in good solvents but became luminescent when aggregated in poor solvents or in the solid state, showing a novel phenomenon of aggregation-induced emission (AIE). 8-Phenylbenzo[ e ]acephenanthrylene ( 3 ), a ring-closed form of 1 with one of its phenyl blades locked, was emissive in the solutions, suggesting that the AIE effects of 1 and 2 are caused by the restrictions of intramolecular rotations of their aromatic blades in the aggregation state. The crystals of 1 and 2 emitted stronger, bluer lights than their amorphous powders, possibly due to the structural rigidification and conformational twisting of the dye molecules in the crystalline phase. The light-emitting diodes with a device configuration of ITO/NPB/dye/BCP/Alq 3 /LiF/Al were fabricated, which emitted bluish-green and yellow lights with maximum luminance and current efficiency up to 5000 Cd/m 2 and 1.90 Cd/A, respectively.
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Cited by
Aggregation-Induced Emission: Together We Shine, United We Soar!
Mei, J., Leung, N. L. C., Kwok, R. T. K., Lam, J. W. Y., & Tang, B. Z. (2015) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00263 · Cited by 8,270
Self-citationHong, Y., Lam, J. W. Y., & Tang, B. Z. (2011) · Chemical Society Reviews · doi:10.1039/c1cs15113d · Cited by 6,363
Self-citationAggregation‐Induced Emission: The Whole Is More Brilliant than the Parts
Mei, J., Hong, Y., Lam, J. W. Y., Qin, A., Tang, Y., & Tang, B. Z. (2014) · Advanced Materials · doi:10.1002/adma.201401356 · Cited by 3,381
Self-citationQin, A., Lam, J. W. Y., & Tang, B. Z. (2010) · Chemical Society Reviews · doi:10.1039/b909064a · Cited by 587
Self-citationLuminogenic polymers with aggregation-induced emission characteristics
Qin, A., Lam, J. W. Y., & Tang, B. Z. (2012) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2011.08.002 · Cited by 441
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Metadata
- Authors
- Tong, H., Dong, Y., Hong, Y., Häussler, M., Lam, J. W. Y., Sung, H. H.-Y., Yu, X., Sun, J., Williams, I. D., Kwok, H. S., & Tang, B. Z.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-01-18
- Volume
- 111
- Issue
- 5
- Pages
- 2287-2294
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2035848294
- Cited by
- 281
- References
- 0
- FWCI
- 7.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tong, H., Dong, Y., Hong, Y., Häussler, M., Lam, J. W. Y., Sung, H. H.-Y., Yu, X., Sun, J., Williams, I. D., Kwok, H. S., & Tang, B. Z. (2007). Aggregation-Induced Emission: Effects of Molecular Structure, Solid-State Conformation, and Morphological Packing Arrangement on Light-Emitting Behaviors of Diphenyldibenzofulvene Derivatives. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp0630828
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