Citation: CHEN Mingshu. Toward Understanding the Nature of the Active Sites and Structure-Activity Relationships of Heterogeneous Catalysts by Model Catalysis Studies[J]. Acta Physico-Chimica Sinica, ;2017, 33(12): 2424-2437. doi: 10.3866/PKU.WHXB201707171 shu

Toward Understanding the Nature of the Active Sites and Structure-Activity Relationships of Heterogeneous Catalysts by Model Catalysis Studies

CHEN Mingshu

State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian Province, P. R. China

Received Date: 17 June 2017
Revised Date: 5 July 2017

Fund Project: The project was supported by the National Basic Research Program of China (973 program:2013CB933102) and National Natural Science Foundation of China (21273178,21573180,91545204).

Understanding the nature of the active sites and the relationship between the catalyst structure and its performance are fundamental aspects of heterogeneous catalysis. With the development of modern surface science techniques, atomically resolved surface structures of heterogeneous catalysts and their properties can be studied with ease. Combined with an in situ high pressure cell, model catalysis studies can provide convincing information about the relationship between the catalyst structure and its performance. In this mini-review, several case studies of model catalysts have been summarized, including those of the active surfaces for CO and alkane oxidation using the Pt group metals as catalysts, the active site of gold nanoparticles for CO oxidation, synergistic effects between VO_x and Pt for propane oxidation, promotional effects of Au in Pd-Au catalysts for vinyl acetate synthesis, structure-sensitivity of n-heptane dehydrocyclization on model oxide-supported Pt, as well as several significant improvements of the model catalysis techniques.
- Model catalysis study,
- Structure-activity,
- CO oxidation,
- Alkanes oxidation,
- In situ spectroscopy
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