Please use this identifier to cite or link to this item: https://doi.org/10.1021/acsami.8b11920
Title: In Situ Formation of Micropore-Rich Titanium Dioxide from Metal-Organic Framework Templates
Authors: Zhai, Linzhi
Qian, Yuhong 
Wang, Yuxiang 
Cheng, Youdong 
Dong, Jinqiao 
Peh, Shing Bo 
Zhao, Dan 
Keywords: Science & Technology
Technology
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Science & Technology - Other Topics
Materials Science
microporous titanium dioxide
in situ incorporation
metal-organic frameworks
templating synthesis
photocatalytic water splitting
PHOTOCATALYTIC HYDROGEN GENERATION
ZEOLITIC IMIDAZOLATE FRAMEWORKS
SENSITIZED SOLAR-CELLS
TIO2 NANOPARTICLES
ANATASE TIO2
DYE
MOF
FABRICATION
WATER
MICROSTRUCTURES
Issue Date: 31-Oct-2018
Publisher: AMER CHEMICAL SOC
Citation: Zhai, Linzhi, Qian, Yuhong, Wang, Yuxiang, Cheng, Youdong, Dong, Jinqiao, Peh, Shing Bo, Zhao, Dan (2018-10-31). In Situ Formation of Micropore-Rich Titanium Dioxide from Metal-Organic Framework Templates. ACS APPLIED MATERIALS & INTERFACES 10 (43) : 36933-36940. ScholarBank@NUS Repository. https://doi.org/10.1021/acsami.8b11920
Abstract: © 2018 American Chemical Society. Phase and porosity control in titanium dioxide (TiO2) is essential for the optimization of its photocatalytic activity. However, concurrent control over these two parameters remains challenging. Here, a novel metal-organic framework templating strategy is demonstrated for the preparation of highly microporous anatase TiO2. In situ encapsulation of Ti precursor in ZIF-8 cavities, followed by hydrolysis and etching, produces anatase TiO2 with a high Brunauer-Emmett-Teller surface area of 335 m2·g-1 and a micropore surface area ratio of 48%. Photocatalytic hydrogen generation catalyzed by the porous TiO2 can reach a rate of 2459 μmol·g-1·h-1. The measured photocatalytic activity is found to be positively correlated to the surface area, highlighting the importance of porosity control in heterogeneous photocatalysts.
Source Title: ACS APPLIED MATERIALS & INTERFACES
URI: https://scholarbank.nus.edu.sg/handle/10635/169724
ISSN: 1944-8244
1944-8252
DOI: 10.1021/acsami.8b11920
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