Issue 1, 2020

Synthesis of novel mesoporous sulfated zirconia nanosheets derived from Zr-based metal–organic frameworks

Abstract

Flower-like mesoporous sulfated zirconia nanosheets (SZNs) were developed by thermal decomposition of in situ sulfated Zr-MOFs for the first time. The sulfated Zr-MOFs act as both a morphological template and zirconium and sulfate sources. The amounts of SO42− in the synthesis system of UiO-66 greatly affected the morphology of sulfated Zr-MOFs via a coordination modulation method. The flower-like sulfated Zr-MOF nanosheets were obtained as the S/Zr ratio increased to 0.5. The calcination temperature has a great influence on the structural properties and catalytic performances of sulfated zirconia nanosheets other than morphology. Sulfated zirconia nanosheets (SZN-500) obtained by calcination at 500 °C had a large surface area (186.1 m2 g−1) and strong bonding between sulfate and zirconia atoms and exhibited a good catalytic activity and reusability for the transesterification of tributyrin with methanol. This viable synthetic strategy can offer an alternative way to prepare functionalized metallic oxides with a specific morphology.

Graphical abstract: Synthesis of novel mesoporous sulfated zirconia nanosheets derived from Zr-based metal–organic frameworks

Supplementary files

Article information

Article type
Paper
Submitted
16 Sep 2019
Accepted
28 Oct 2019
First published
28 Oct 2019

CrystEngComm, 2020,22, 44-51

Synthesis of novel mesoporous sulfated zirconia nanosheets derived from Zr-based metal–organic frameworks

N. Lu, X. Zhang, X. Yan, D. Pan, B. Fan and R. Li, CrystEngComm, 2020, 22, 44 DOI: 10.1039/C9CE01456J

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