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1. Influence of Carbon Support on Electronic Structure and Catalytic Activity of Pt Catalysts: Binding to the CO Molecule

Author:
Chen, De,   et al.   ; Mahmoodinia, Mehdi; Åstrand, Per-Olof;     Show all 3 Authors
Source:
The Journal of Physical Chemistry C 2016 v.120 no.23 pp. 12452-12462
ISSN:
1932-7455
Subject:
carbon; catalysts; catalytic activity; chemical bonding; electron transfer; electrons; platinum; polycyclic aromatic hydrocarbons
Abstract:
... Single-atom catalysts, especially with single Pt atoms, exhibit potentially improved catalytic activity as compared to metal clusters and metal surfaces. Here, the atop and bridged bondings of the CO molecule on the Pt/C system are studied. Vibrational frequencies, Mulliken populations, charge transfer, charge density differences, and density of states are examined to determine the influence of th ...
DOI:
10.1021/acs.jpcc.6b02001

2. Insights into Activated Carbon-Supported Platinum Catalysts for Base-Free Oxidation of Glycerol

Author:
Chen, De,   et al.   ; Lei, Jiaqi; Dong, Hua; Duan, Xuezhi; Chen, Wenyao; Qian, Gang; Zhou, Xinggui;     Show all 7 Authors
Source:
Industrial & Engineering Chemistry Research 2016 v.55 no.2 pp. 420-427
ISSN:
1520-5045
Subject:
activated carbon; adsorption; catalysts; chemical bonding; cleavage (chemistry); engineering; glyceraldehyde; glycerol; oxidation; oxygen; particle size; platinum
Abstract:
... Two kinds of activated carbon (AC)-supported Pt catalysts with similar particle sizes were respectively synthesized using the polyol method and incipient wetness impregnation method, and then tested for glycerol oxidation in a base-free condition. It is revealed that the initial reaction rate on the Pt catalyst prepared by the polyol method (Pt/ACPO) is nearly triple that on the Pt catalyst prepar ...
DOI:
10.1021/acs.iecr.5b03076