Document Detail


Fabrication of different morphologies of ZnO superstructures in presence of synthesized ethylammonium nitrate (EAN) ionic liquid: synthesis, characterization and analysis.
MedLine Citation:
PMID:  23149572     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
ZnO particles were synthesized by hydrothermal route at 95 °C, with different ethylammonium nitrate (EAN) : water volume ratio (0.01 to 1) in reaction media. Morphology of ZnO particles changed from initial cylindrical to intermediate spindle and finally to spherical with increasing concentration of EAN in reaction media whereas pH of aliquots remained within range of 7-7.5. Aggregates of EAN bind to Zn(2+) enriched both terminal planes as well as to Zn(2+) and O(2-) enriched side planes of basis units which finally resulted to formation of spherical ZnO superstructures. Favorable H-bond and electrostatic interaction helped to bind EAN aggregates with surfaces of ZnO crystals. It was found that the spherical ZnO superstructures showed novel photoluminescent property and enhanced photocatalytic activity compared to that of the commercially available ZnO.
Authors:
Somnath Das; Sumit Ghosh
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-13
Journal Detail:
Title:  Dalton transactions (Cambridge, England : 2003)     Volume:  -     ISSN:  1477-9234     ISO Abbreviation:  Dalton Trans     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101176026     Medline TA:  Dalton Trans     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Unilever R&D, Bangalore, 64, Main Road, Whitefield, Bangalore, India. sumit07ghosh@hotmail.com.
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