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Materials (Basel). 2014 May 14;7(5):3786-3801. doi: 10.3390/ma7053786.

Solid-State Synthesis and Photocatalytic Activity of Polyterthiophene Derivatives/TiO₂ Nanocomposites.

Jamal R1,2, Osman Y3,4, Rahman A5,6, Ali A7,8, Zhang Y9,10, Abdiryim T11,12.

Author information

1
Key Laboratory of Petroleum and Gas Fine Chemicals, Educational Ministry of China, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, Xinjiang, China. jruxangul@sina.com.
2
Key Laboratory of Functional Polymers, Xinjiang University, Urumqi 830046, Xinjiang, China. jruxangul@sina.com.
3
Key Laboratory of Petroleum and Gas Fine Chemicals, Educational Ministry of China, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, Xinjiang, China. jakobosm@gmail.com.
4
Key Laboratory of Functional Polymers, Xinjiang University, Urumqi 830046, Xinjiang, China. jakobosm@gmail.com.
5
Key Laboratory of Petroleum and Gas Fine Chemicals, Educational Ministry of China, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, Xinjiang, China. Adaletr@sohu.com.
6
Key Laboratory of Functional Polymers, Xinjiang University, Urumqi 830046, Xinjiang, China. Adaletr@sohu.com.
7
Key Laboratory of Petroleum and Gas Fine Chemicals, Educational Ministry of China, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, Xinjiang, China. ahmatjanchem@126.com.
8
Key Laboratory of Functional Polymers, Xinjiang University, Urumqi 830046, Xinjiang, China. ahmatjanchem@126.com.
9
Key Laboratory of Petroleum and Gas Fine Chemicals, Educational Ministry of China, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, Xinjiang, China. zhyurainy@163.com.
10
Key Laboratory of Functional Polymers, Xinjiang University, Urumqi 830046, Xinjiang, China. zhyurainy@163.com.
11
Key Laboratory of Petroleum and Gas Fine Chemicals, Educational Ministry of China, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, Xinjiang, China. tursunabdir@sina.com.cn.
12
Key Laboratory of Functional Polymers, Xinjiang University, Urumqi 830046, Xinjiang, China. tursunabdir@sina.com.cn.

Abstract

Poly(3,4-propylenedioxy-2,2':5',2"-terthiophene)/TiO₂ and poly(3,4-(2,2-dimethylenepropylenedioxy)-2,2':5',2"-terthiophene)/TiO₂ nanocomposites were synthesized by a simple solid-state method. Additionally, the poly(3,4-propylenedioxy thiophene)/TiO₂ and poly(3,4-2,2-dimethylenepropylenedioxythiophene)/TiO₂ nanocomposites were synthesized in a similar manner for comparison. The structure and morphology were characterized by Fourier transform infrared (FTIR), ultraviolet-visible (UV-Vis) absorption spectroscopy, X-ray diffraction (XRD) and transmission electron microscopy (TEM). The photocatalytic activities of the nanocomposites were examined through the degradation processes of a methylene blue (MB) solution under UV light and sunlight irradiation. The results of FTIR and UV-Vis spectra showed that the composites were successfully synthesized by solid-state method and the poly(3,4-propylenedioxy-2,2':5',2"-terthiophene)/TiO₂ and poly(3,4-(2,2-dimethylenepropylenedioxy)-2,2':5',2"-terthiophene)/TiO₂ nanocomposite had a higher oxidation degree and conjugation length than others. The results also indicated that the TiO₂ had no effect on the crystallinity of composites, but was well embedded in the polymer matrix. Additionally, the highest degradation efficiency of 90.5% occurred in the case of the poly(3,4-propylenedioxy-2,2':5',2"-terthiophene)/TiO₂ nanocomposite.

KEYWORDS:

nano-TiO2; photocatalyst; polyterthiophene derivative; solid-state method

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