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Au 2 S x /CdS Nanorods by Cation Exchange: Mechanistic Insights into the Competition Between Cation‐Exchange and Metal Ion Reduction
Author(s) -
Kundu Subhajit,
Kundu Paromita,
Tendeloo Gustaaf Van,
Ravishankar N.
Publication year - 2014
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201400524
Subject(s) - predictability , information exchange , ion exchange , reduction (mathematics) , nanorod , competition (biology) , computer science , chemistry , metal , nanotechnology , ion , materials science , physics , mathematics , telecommunications , quantum mechanics , organic chemistry , ecology , geometry , biology
It is well known that metals with higher electron affinity like Au tend to undergo reduction rather than cation‐exchange. It is experimentally shown that under certain conditions cation‐exchange is dominant over reduction. Thermodynamic calculation further consolidates the understanding and paves the way for better predictability of cation‐exchange/reduction reactions for other systems.