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Frontiers of Optoelectronics

ISSN 2095-2759

ISSN 2095-2767(Online)

CN 10-1029/TN

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Front Optoelec Chin    2011, Vol. 4 Issue (1) : 121-127    https://doi.org/10.1007/s12200-011-0165-6
RESEARCH ARTICLE
Photochemical synthesis and photocatalysis application of ZnS/amorphous carbon nanotubes composites
Zhen FANG(), Yueting FAN, Yufeng LIU
Anhui Key Laboratory of Functional Molecular Solids, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
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Abstract

In this paper, a photochemical synthesis of ZnS-amorphous carbon nanotubes (ACNTs/ZnS) composites using ACNTs was reported, whose surface were modified with carboxylic groups as a support. The size and distribution of ZnS nanoparticles can be controlled by adjusting the initial amount of reactants and the reaction time. The ACNTs/ZnS nanocomposites were characterized by X-ray power diffraction, scanning electron microscopy and transmission electron microscopy. Studies showed that ACNTs/ZnS nanocomposites had high photocatalytic activity toward the photodegradation of dye molecule.
Keywords nanocomposite      photochemical synthesis      photodegradation     
Corresponding Author(s): FANG Zhen,Email:fzfscn@mail.ahnu.edu.cn   
Issue Date: 05 March 2011
 Cite this article:   
Zhen FANG,Yueting FAN,Yufeng LIU. Photochemical synthesis and photocatalysis application of ZnS/amorphous carbon nanotubes composites[J]. Front Optoelec Chin, 2011, 4(1): 121-127.
 URL:  
https://academic.hep.com.cn/foe/EN/10.1007/s12200-011-0165-6
https://academic.hep.com.cn/foe/EN/Y2011/V4/I1/121
sampleABCDEF
Zn (Ac)2·2H2O/mmol0.80.60.40.20.20.2
TAA/mmol0.80.60.40.20.20.2
reaction time1 h1 h1 h1 h30 min10 min
Tab.1  Summary of experimental parameters
Fig.1  Images of ACNTs. (a) SEM; (b) TEM; (c) HRTEM
Fig.1  Images of ACNTs. (a) SEM; (b) TEM; (c) HRTEM
Fig.2  Patterns of ACNTs. (a) XRD; (b) Raman; (c) IR
Fig.2  Patterns of ACNTs. (a) XRD; (b) Raman; (c) IR
Fig.3  Images of ACNTs/ZnS nanocomposites. (a) XRD; (b) SEM; (c) TEM; (d) HRTEM (insert is electron diffraction pattern)
Fig.3  Images of ACNTs/ZnS nanocomposites. (a) XRD; (b) SEM; (c) TEM; (d) HRTEM (insert is electron diffraction pattern)
Fig.4  SEM images of ACNTs/ZnS nanocomposites corresponding to samples A-C in Table 1. (a) A; (b) B; (c) C
Fig.4  SEM images of ACNTs/ZnS nanocomposites corresponding to samples A-C in Table 1. (a) A; (b) B; (c) C
Fig.5  TEM images of ACNTs/ZnS nanocomposites prepared with different reaction time. (a)10 min; (b) 30 min; (c) 1 h
Fig.5  TEM images of ACNTs/ZnS nanocomposites prepared with different reaction time. (a)10 min; (b) 30 min; (c) 1 h
Fig.6  Formation mechanism of ACNTs/ZnS nanocomposites
Fig.6  Formation mechanism of ACNTs/ZnS nanocomposites
Fig.7  Photoluminescence spectrum of ACNTs/ZnS nanocomposites
Fig.7  Photoluminescence spectrum of ACNTs/ZnS nanocomposites
Fig.8  Absorption spectra of different dyes degraded by ACNTs/ZnS nanocomposites. (a) MB; (b) eosin; (c) MR; (d) photodegradation rate of different dyes
Fig.8  Absorption spectra of different dyes degraded by ACNTs/ZnS nanocomposites. (a) MB; (b) eosin; (c) MR; (d) photodegradation rate of different dyes
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