Achieving significantly enhanced visible-light photocatalytic efficiency using a polyelectrolyte: The composites of exfoliated titania nanosheets, graphene, and poly(diallyl-dimethyl-ammonium chloride)

Qian Zhang; Qi An; Xinglong Luan; Hongwei Huang; Xiaowei Li; Zilin Meng; Wangshu Tong; Xiaodong Chen; Paul K. Chu; Yihe Zhang

doi:10.1039/c5nr03256c

Achieving significantly enhanced visible-light photocatalytic efficiency using a polyelectrolyte: The composites of exfoliated titania nanosheets, graphene, and poly(diallyl-dimethyl-ammonium chloride)

Qian Zhang, Qi An^*, Xinglong Luan, Hongwei Huang, Xiaowei Li, Zilin Meng, Wangshu Tong, Xiaodong Chen, Paul K. Chu, Yihe Zhang

^*Corresponding author for this work

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

35 Citations (Scopus)

Abstract

A high-performance visible-light-active photocatalyst is prepared using the polyelectrolyte/exfoliated titania nanosheet/graphene oxide (GO) precursor by flocculation followed by calcination. The polyelectrolyte poly(diallyl-dimethyl-ammonium chloride) serves not only as an effective binder to precipitate GO and titania nanosheets, but also boosts the overall performance of the catalyst significantly. Unlike most titania nanosheet-based catalysts reported in the literature, the composite absorbs light in the UV-Vis-NIR range. Its decomposition rate of methylene blue is 98% under visible light. This novel strategy of using a polymer to enhance the catalytic performance of titania nanosheet-based catalysts affords immense potential in designing and fabricating next-generation photocatalysts with high efficiency.

Original language	English
Pages (from-to)	14002-14009
Number of pages	8
Journal	Nanoscale
Volume	7
Issue number	33
DOIs	https://doi.org/10.1039/c5nr03256c
Publication status	Published - Sept 7 2015
Externally published	Yes

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry 2015.

ASJC Scopus Subject Areas

General Materials Science

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10.1039/c5nr03256c

Cite this

Zhang, Q., An, Q., Luan, X., Huang, H., Li, X., Meng, Z., Tong, W., Chen, X., Chu, P. K., & Zhang, Y. (2015). Achieving significantly enhanced visible-light photocatalytic efficiency using a polyelectrolyte: The composites of exfoliated titania nanosheets, graphene, and poly(diallyl-dimethyl-ammonium chloride). Nanoscale, 7(33), 14002-14009. https://doi.org/10.1039/c5nr03256c

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abstract = "A high-performance visible-light-active photocatalyst is prepared using the polyelectrolyte/exfoliated titania nanosheet/graphene oxide (GO) precursor by flocculation followed by calcination. The polyelectrolyte poly(diallyl-dimethyl-ammonium chloride) serves not only as an effective binder to precipitate GO and titania nanosheets, but also boosts the overall performance of the catalyst significantly. Unlike most titania nanosheet-based catalysts reported in the literature, the composite absorbs light in the UV-Vis-NIR range. Its decomposition rate of methylene blue is 98% under visible light. This novel strategy of using a polymer to enhance the catalytic performance of titania nanosheet-based catalysts affords immense potential in designing and fabricating next-generation photocatalysts with high efficiency.",

author = "Qian Zhang and Qi An and Xinglong Luan and Hongwei Huang and Xiaowei Li and Zilin Meng and Wangshu Tong and Xiaodong Chen and Chu, {Paul K.} and Yihe Zhang",

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year = "2015",

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doi = "10.1039/c5nr03256c",

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Zhang, Q, An, Q, Luan, X, Huang, H, Li, X, Meng, Z, Tong, W, Chen, X, Chu, PK & Zhang, Y 2015, 'Achieving significantly enhanced visible-light photocatalytic efficiency using a polyelectrolyte: The composites of exfoliated titania nanosheets, graphene, and poly(diallyl-dimethyl-ammonium chloride)', Nanoscale, vol. 7, no. 33, pp. 14002-14009. https://doi.org/10.1039/c5nr03256c

Achieving significantly enhanced visible-light photocatalytic efficiency using a polyelectrolyte: The composites of exfoliated titania nanosheets, graphene, and poly(diallyl-dimethyl-ammonium chloride). / Zhang, Qian; An, Qi; Luan, Xinglong et al.
In: Nanoscale, Vol. 7, No. 33, 07.09.2015, p. 14002-14009.

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

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AU - Zhang, Qian

AU - An, Qi

AU - Luan, Xinglong

AU - Huang, Hongwei

AU - Li, Xiaowei

AU - Meng, Zilin

AU - Tong, Wangshu

AU - Chen, Xiaodong

AU - Chu, Paul K.

AU - Zhang, Yihe

PY - 2015/9/7

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Achieving significantly enhanced visible-light photocatalytic efficiency using a polyelectrolyte: The composites of exfoliated titania nanosheets, graphene, and poly(diallyl-dimethyl-ammonium chloride)

Abstract

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