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2298708 
Journal Article 
Arsenate stabilized Cu2O nanoparticle catalyst for one-electron transfer reversible reaction 
Sahoo, R; Dutta, S; Pradhan, M; Ray, C; Roy, A; Pal, T; Pal, A 
2014 
Yes 
Dalton Transactions
ISSN: 1477-9226
EISSN: 1477-9234 
43 
18 
6677-6683 
English 
24626596 
The befitting capping capabilities of AsO4(3-) provide a stable Cu2O nanocatalyst from a galvanic reaction between a Cu(ii) precursor salt and As(0) nanoparticles. This stable Cu2O hydrosol appears to be a suitable catalyst for the one-electron transfer reversible redox reaction between Eosin Y and NaBH4. The progress of the reaction relates to three different kinetic stages. In the presence of the new catalyst the reversible redox reaction of Eosin Y in air shows a periodic color change providing a new crowd-pleasing demonstration, i.e. a "clock reaction". 
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