Citation: Jing Shi, Jia-Wei Teng, Yang-Dong Wang, Yi Tang, Zai-Ku Xie. Precise construction on the structure of zeolite microcapsules[J]. Chinese Chemical Letters, ;2015, 26(11): 1409-1414. doi: 10.1016/j.cclet.2015.06.001 shu

Precise construction on the structure of zeolite microcapsules

Jing Shi ^a,b,, ,
Jia-Wei Teng ^a ,
Yang-Dong Wang ^a ,
Yi Tang ^b ,
Zai-Ku Xie ^c,,

1.
a Sinopec Shanghai Research Institute of Petrochemical Technology, Shanghai 201208, China;
2.
b Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Laboratory of Advanced Materials and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, China;
3.
c Sinopec, China Petroleum & Chemical Corporation, Beijing 100027, China

Corresponding author: Jing Shi, Zai-Ku Xie,
Received Date: 31 March 2015
Available Online: 11 May 2015

In this paper, the precise construction on the structure of silicalite-1 microcapsules (S1) was specifically described. The interior carbon modifications and the outside mesoporous functionalizations were successfully conducted and each sample was characterized in detail. It was found that the carbon networks could be formed inside the zeolite microcapsules via the pretreatment of sugar injections. The uniformity of the distinct microcapsule could be regulated by adjusting the sugar concentrations. With the encapsulated Pt species inside the MSSs, the nano-particles could be dispersed well within the carbon network. On the other hand, during the fabrication of the mesoporous materials outside the microcapsules, the template and the acidity of the system could play an important role in determining the morphology of S1. Besides, the PDDA modification on the shell of S1 could help the combination of the meso-layer and the shell of S1 at nano-scale. The thickness of the outside mesopore could be modulated through the controlling of the silica content.
- Zeolite
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