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In-situ photoelectron spectroscopy with online activity measurement for catalysis research
Rui Chang,Young Pyo Hong,Stephanus Axnanda,Baohua Mao,Naila Jabeen,Suidong Wang,Renzhong Tai,Zhi Liu 한국물리학회 2012 Current Applied Physics Vol.12 No.5
We report Ambient pressure X-ray Photoelectron Spectroscopy Endstation with an integrated chemical analytical system that consists of a residual gas analyzer in the 2nd differential pumping stage and a new low-reactive sample holder heating assembly. This system has a linear response to the reaction chamber gas pressure. The sample heating assembly also has a low dark reaction rate up to 400 ℃ for H2 and CO oxidation. We expect this chemical analytical system will expand our capabilities in conducting inoperando catalysis research.