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Towards a More Accurate Particle Size Distribution of Supported Catalyst by using HAADF‐STEM
Author(s) -
Zhang Bingsen,
Zhang Wei,
Su Dang Sheng
Publication year - 2011
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201100096
Subject(s) - high resolution transmission electron microscopy , particle size , catalysis , particle size distribution , particle (ecology) , computer science , nanotechnology , materials science , chemical physics , physics , chemistry , organic chemistry , geology , oceanography , transmission electron microscopy
STEM can make a large difference : Conventionally the catalysis community has used HRTEM (figure, left) imaging to obtain the particle size distribution (PSD) of supported catalysts. Now we have found that by using the analogous HAADF‐STEM (figure, right) a more accurate PSD can be calculated, which is crucial for understanding the catalysis mechanisms.