Monomeric and aggregation emissions of tetraphenylethene in a photo-switchable polymer controlled by cyclization of diarylethene and solvent conditions

Ravinder Singh; Hsin Yen Wu; Atul Kumar Dwivedi; Ashutosh Singh; Chien Min Lin; Putikam Raghunath; Ming-Chang Lin; Tung-Kung Wu; Kung-Hwa Wei; Hong-Cheu Lin

doi:10.1039/c7tc03071a

Monomeric and aggregation emissions of tetraphenylethene in a photo-switchable polymer controlled by cyclization of diarylethene and solvent conditions

Ravinder Singh, Hsin Yen Wu, Atul Kumar Dwivedi, Ashutosh Singh, Chien Min Lin, Putikam Raghunath, Ming-Chang Lin, Tung-Kung Wu, Kung-Hwa Wei, Hong-Cheu Lin^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

A novel photo-switchable polymer P-PHT containing diarylethene (DAE) and tetraphenylethene (TPE) moieties and a triazole linker in the repeating unit was synthesized to study the aggregation-induced emission (AIE) behaviour of TPE with both the open and closed forms of DAE in P-PHT with high water contents. The photo-switching phenomena of DAE (from open to closed forms under UV-irradiation) in P-PHT were prominent in organic solvent (THF), high water contents (at 90% H₂O) and acidic conditions. Upon UV-irradiation of P-PHT at 90% water content, the AIE of TPE was completely quenched via an energy transfer event from TPE to cyclized DAE. Interestingly, the rare monomeric emission of TPE was first discovered by the photo-cyclization of DAE in P-PHT compared with the AIE behaviour of TPE with the open form of DAE in P-PHT with AIE favourable conditions of high water content (90% H₂O) and acidic conditions.

Original language	English
Pages (from-to)	9952-9962
Number of pages	11
Journal	Journal of Materials Chemistry C
Volume	5
Issue number	38
DOIs	https://doi.org/10.1039/c7tc03071a
State	Published - Sep 2017

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Singh, R., Wu, H. Y., Kumar Dwivedi, A., Singh, A., Lin, C. M., Raghunath, P., Lin, M.-C., Wu, T.-K., Wei, K.-H., & Lin, H.-C. (2017). Monomeric and aggregation emissions of tetraphenylethene in a photo-switchable polymer controlled by cyclization of diarylethene and solvent conditions. Journal of Materials Chemistry C, 5(38), 9952-9962. https://doi.org/10.1039/c7tc03071a

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title = "Monomeric and aggregation emissions of tetraphenylethene in a photo-switchable polymer controlled by cyclization of diarylethene and solvent conditions",

abstract = "A novel photo-switchable polymer P-PHT containing diarylethene (DAE) and tetraphenylethene (TPE) moieties and a triazole linker in the repeating unit was synthesized to study the aggregation-induced emission (AIE) behaviour of TPE with both the open and closed forms of DAE in P-PHT with high water contents. The photo-switching phenomena of DAE (from open to closed forms under UV-irradiation) in P-PHT were prominent in organic solvent (THF), high water contents (at 90% H2O) and acidic conditions. Upon UV-irradiation of P-PHT at 90% water content, the AIE of TPE was completely quenched via an energy transfer event from TPE to cyclized DAE. Interestingly, the rare monomeric emission of TPE was first discovered by the photo-cyclization of DAE in P-PHT compared with the AIE behaviour of TPE with the open form of DAE in P-PHT with AIE favourable conditions of high water content (90% H2O) and acidic conditions.",

author = "Ravinder Singh and Wu, {Hsin Yen} and {Kumar Dwivedi}, Atul and Ashutosh Singh and Lin, {Chien Min} and Putikam Raghunath and Ming-Chang Lin and Tung-Kung Wu and Kung-Hwa Wei and Hong-Cheu Lin",

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year = "2017",

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doi = "10.1039/c7tc03071a",

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volume = "5",

pages = "9952--9962",

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AU - Singh, Ravinder

AU - Wu, Hsin Yen

AU - Kumar Dwivedi, Atul

AU - Singh, Ashutosh

AU - Lin, Chien Min

AU - Raghunath, Putikam

AU - Lin, Ming-Chang

AU - Wu, Tung-Kung

AU - Wei, Kung-Hwa

AU - Lin, Hong-Cheu

PY - 2017/9

Y1 - 2017/9

N2 - A novel photo-switchable polymer P-PHT containing diarylethene (DAE) and tetraphenylethene (TPE) moieties and a triazole linker in the repeating unit was synthesized to study the aggregation-induced emission (AIE) behaviour of TPE with both the open and closed forms of DAE in P-PHT with high water contents. The photo-switching phenomena of DAE (from open to closed forms under UV-irradiation) in P-PHT were prominent in organic solvent (THF), high water contents (at 90% H2O) and acidic conditions. Upon UV-irradiation of P-PHT at 90% water content, the AIE of TPE was completely quenched via an energy transfer event from TPE to cyclized DAE. Interestingly, the rare monomeric emission of TPE was first discovered by the photo-cyclization of DAE in P-PHT compared with the AIE behaviour of TPE with the open form of DAE in P-PHT with AIE favourable conditions of high water content (90% H2O) and acidic conditions.

AB - A novel photo-switchable polymer P-PHT containing diarylethene (DAE) and tetraphenylethene (TPE) moieties and a triazole linker in the repeating unit was synthesized to study the aggregation-induced emission (AIE) behaviour of TPE with both the open and closed forms of DAE in P-PHT with high water contents. The photo-switching phenomena of DAE (from open to closed forms under UV-irradiation) in P-PHT were prominent in organic solvent (THF), high water contents (at 90% H2O) and acidic conditions. Upon UV-irradiation of P-PHT at 90% water content, the AIE of TPE was completely quenched via an energy transfer event from TPE to cyclized DAE. Interestingly, the rare monomeric emission of TPE was first discovered by the photo-cyclization of DAE in P-PHT compared with the AIE behaviour of TPE with the open form of DAE in P-PHT with AIE favourable conditions of high water content (90% H2O) and acidic conditions.

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DO - 10.1039/c7tc03071a

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SN - 2050-7534

VL - 5

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JO - Journal of Materials Chemistry C

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IS - 38

ER -

Monomeric and aggregation emissions of tetraphenylethene in a photo-switchable polymer controlled by cyclization of diarylethene and solvent conditions

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