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3D open-framework vanadoborate as a highly effective heterogeneous pre-catalyst for the oxidation of alkylbenzenes

DOI: 10.1021/cm401400m DOI Help

Authors: Hong Chen (Stockholm University; China University of Geosciences) , Youqian Deng (Stockholm University) , Zhengbao Yu (Peking University) , Huishuang Zhao (Stockholm University) , Qingxia Yao (Stockholm University) , Xiaodong Zou (Stockholm University) , Jan-E. Backvall (Stockholm University) , Junliang Sun (Stockholm University; Peking University)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemistry Of Materials , VOL 25 (24) , PAGES 5031 - 5036

State: Published (Approved)
Published: December 2013
Diamond Proposal Number(s): 8833

Abstract: Three three-dimensional (3D) open-framework vanadoborates, denoted as SUT-6-Zn, SUT-6-Mn, and SUT-6-Ni, were synthesized using diethylenetriamine as a template. SUT-6-Zn, SUT-6-Mn, and SUT-6-Ni are isostructural and built from (VO)12O6 B18O36(OH)6 clusters bridged by ZnO5, MnO6, and NiO6 polyhedra, respectively, to form the 3D frameworks. SUT-6 is the first vanadoborate with a 3D framework. The framework follows a semiregular hxg net topology with a 2-fold interpenetrated diamond-like channel system. The amount of template used in the synthesis played an important role in the dimensionality of the resulting vanadoborate structures. A small amount of diethylenetriamine led to the formation of this first 3D vanadoborate framework, while an increased amount of diethylenetriamine resulted in vanadoborates with zero-dimensional (0D) and one-dimensional (1D) structures. SUT-6-Zn was proved to be an efficient heterogeneous precatalyst for the oxidation of alkylbenzenes.

Journal Keywords: Vanadoborates; Open-Framework Materials; Hxg Topology; Heterogeneous Catalysis; Oxidation

Subject Areas: Chemistry, Materials

Instruments: I19-Small Molecule Single Crystal Diffraction

Added On: 14/03/2014 16:36

Discipline Tags:

Physical Chemistry Catalysis Chemistry Materials Science Chemical Engineering Engineering & Technology

Technical Tags:

Diffraction Single Crystal X-ray Diffraction (SXRD)