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Acta Physico-Chimica Sinica  2010, Vol. 26 Issue (06): 1705-1710    DOI: 10.3866/PKU.WHXB20100611
PHYSICAL CHEMISTRY OF MATERIALS     
Thermal Diffusion Synthesis and Characterization of SnO2 Clusters within ZSM-5 Crystals
WU Jian, WANG Yu, HUANG Feng, YANG Yang, MENG Chang-Gong
Department of Chemistry, Dalian University of Technology, Dalian 116023, Liaoning Province, P. R. China
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Abstract  

We used thermal diffusion to load SnO2 into ZSM-5 crystals as it is regarded as a good host material for semiconductor guest encapsulation. The experiments were carried out at 750 and 850 ℃in air. A series of tests were conducted to investigate the basic physical chemistry properties such as chemical composition, crystal images, crystal phase and photoluminescence. An intense porosity analysis based on density functional theory was used to investigate the pore texture of the SnO2-loaded samples. We demonstrate that the SnO2 clusters are located within ZSM-5 instead of on the surface of the crystals. The SnO2 content increases as the thermal diffusion temperature rises. The SnO2 clusters are mainly distributed within the ZSM-5 channels. The sample with a low SnO2 content at 750 ℃ possesses good visible light transmittance and displays good photoluminescence behavior, which makes it a promising material for functionalization and for device-based applications.



Key wordsPore size distribution      ZSM-5 crystal      Tin dioxide      N2 adsorption isotherm      Photoluminescence spectrum      DFT method     
Received: 22 December 2009      Published: 21 April 2010
MSC2000:  O649  
Corresponding Authors: MENG Chang-Gong     E-mail: cgmeng@dlut.edu.cn
Cite this article:

WU Jian, WANG Yu, HUANG Feng, YANG Yang, MENG Chang-Gong. Thermal Diffusion Synthesis and Characterization of SnO2 Clusters within ZSM-5 Crystals. Acta Physico-Chimica Sinica, 2010, 26(06): 1705-1710.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20100611     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2010/V26/I06/1705

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