期刊
ACS CATALYSIS
卷 8, 期 3, 页码 2397-2401出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.7b04154
关键词
bandshape luminescence thermometry; in situ temperature measurements; methanol-to-hydrocarbons; upconversion lanthanides; luminescence
资金
- Netherlands Center for Multiscale Catalytic Energy Conversion (MCEC), an NWO Gravitation program - Ministry of Education, Culture and Science of the government of The Netherlands
Bandshape luminescence thermometry during in situ temperature measurements has been reported by preparing three catalytically relevant systems, which show temperature dependent luminescence. One of these systems was further investigated as a showcase for application. Microcrystalline NaYF4 doped with Er3+ and Yb3+ was mixed with a commercial zeolite H-ZSM-5 to investigate the Methanol-to-Hydrocarbons (MTH) reaction, while monitoring the reaction products with online gas chromatography. Due to the exothermic nature of the MTH reaction, a front of increased temperature migrating down the fixed reactor bed was visualized, showing the potential for various applications of luminescence thermometry for in situ measurements in catalytic systems.
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