Flexible TiO2/cellulose acetate hybrid film as a recyclable photocatalyst
Abstract
In this work, a flexible mesoporous TiO2 microspheres/cellulose acetate (TCA) hybrid film of tunable size and transparency was designed as a high performance recyclable photocatalyst. It was obtained by a simple method of dispersing mesoporous TiO2 microspheres onto the surface of a free-standing cellulose acetate (CA) film at room temperature. The photoelectrochemical properties of the mesoporous TiO2 microspheres were first studied by configuring them as a simple self-powered photoelectrochemical cell (PEC). Under UV light irradiation, the TCA hybrid film displays excellent flexibility and favorable recyclable photocatalytic activity for the decomposition of methylene blue (MB) solution. It was found that the pH value of the solution has a more significant effect than temperature on the photoactivity of the sample. Our results indicate that the hybrid film can be easily applied in the field of wastewater treatment without leaving any photocatalyst in the reaction system. It is feasible to develop this simple and environmentally friendly method to synthesize other catalyst systems such as WO3 film for potential industrial applications.
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The TCA hybrid film displays stronger adsorption and photocatalytic degradation abilities for methylene blue than a cellulose acetate film under the same conditions.
“The TCA hybrid film displays stronger adsorption and photocatalytic degradation abilities for methylene blue when compared to a cellulose acetate film under the same conditions.”
From Sustainable hybrid photocatalysts: titania immobilized on carbon materials derived from renewable and biodegradable resources (2016) · cites this paper as [74]
A flexible mesoporous TiO2 microspheres/cellulose acetate (TCA) hybrid film can be easily recycled without a decrease in its activity for degradation of methylene blue trihydrate solution.
“The study of a flexible mesoporous TiO 2 microspheres/cellulose acetate (TCA) hybrid film (Fig. 8a), 74 showed that it can be easily recycled without a decrease in its activity for the degradation of methylene blue trihydrate solution (Fig. 8b).”
From Sustainable hybrid photocatalysts: titania immobilized on carbon materials derived from renewable and biodegradable resources (2016) · cites this paper as [74]
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- Authors
- Jin, X., Xu, J., Wang, X., Xie, Z., Liu, Z., Liang, B., Chen, D., & Shen, G.
- Affiliations
- Wuhan National Laboratory for Optoelectronics (CN)
- Chinese Academy of Sciences (CN)
- Corresponding author
- Chen, Di
- Shen, Guozhen
- Venue
- RSC Advances
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2014
- Volume
- 4
- Issue
- 25
- Pages
- 12640
- ISSN
- 2046-2069 (ISSN-L)
- OpenAlex
- W2129624256
- Cited by
- 61
- References
- 43
- Citations by year
- 2026: 3 · 2025: 2 · 2024: 4 · 2023: 6 · 2022: 11 · 2021: 3 · 2020: 5 · 2019: 8 · 2018: 7 · 2017: 4 · 2016: 3 · 2015: 3 · 2014: 2
- FWCI
- 1.32
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- RSC Advances (publishedVersion)
- SEMI-IR (submittedVersion)
- Funders
- National Science Foundation
- Program for New Century Excellent Talents in University
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
- Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
- Keywords
- flexible photocatalyst, recyclable photocatalyst, photoelectrochemical cells, methylene blue degradation, wastewater treatment, self-powered devices, WO3 films
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