DataVXChemNanoMatPaper
journal article·2019-09

Graphene Oxide Induced High Crystallinity of SAPO‐11 Molecular Sieves for Improved Alkane Isomerization Performance

Yanyan Du, Heliang Yao, Lei Zhao, Hongmei Yang, Min Wang, Long Yuan, Yanhui Xu, Jiusheng Li

ChemNanoMat· Volume 5· Issue 9
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Source abstract

Abstract

Abstract In the presence of graphene oxide (GO), highly crystallized SAPO‐11 molecular sieves were prepared by a non‐solvent method. The functional groups of GO bind with raw materials, with the formation of hydrogen bonds and acid amides, verified by the XPS analysis. The inorganic precursor and structure‐directing agent molecules will be fixed on the surface of GO, increasing the reaction rate and crystallization for SAPO‐11 preparation, confirmed by the XRD and BET results. Meanwhile, the IR analysis of the adsorption of pyridine indicates there are more acidic sites for the highly crystallized SAPO‐11 sample. The resultant well‐crystallized SAPO‐11 molecular sieves exhibited greater isomer yield and better catalytic activity compared to traditional SAPO‐11 prepared without GO.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Zeolite Catalysis and Synthesis · Chemical Synthesis and Characterization · Polyoxometalates: Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Green Chemical Engineering Technology Research Center Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201210 P. R. China

Analysis & Testing Center for Inorganic Materials Shanghai Institute of Ceramics Chinese Academy of Sciences Shanghai 200050 P. R. China

College of Materials Science & Engineering Qingdao University of Science & Technology 53 Zhengzhou Road Qingdao 266042 P. R. China

Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education Jilin Normal University Changchun P. R. China

Funding

Natural Science Foundation of Shanghai

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