Evolution of hierarchical hexagonal stacked plates of CuS from liquid-liquid interface and its photocatalytic application for oxidative degradation of different dyes under indoor lighting.
Blue solution of copper(II) acetylacetonate complex, [Cu(acac)(2)] in dichloromethane (DCM) and an aqueous alkaline solution of thioacetamide (TAA) constitute a biphasic system. The system in a screw cap test tube under a modified hydrothermal (MHT) reaction condition produces a greenish black solid at the liquid-liquid interface. It has been characterized that the solid mass is an assembly of hexagonal copper sulfide (CuS) nanoplates representing a hierarchical structure. The as-synthesized CuS nanoplates are well characterized by several physical techniques. An ethanolic dispersion of CuS presents a high band gap energy (2.2 eV) which assists visible light photocatalytic mineralization of different dye molecules. Thus a cleanup measure of dye contaminated water body even under indoor light comes true.
Basu
Mrinmoyee
M
Tokyo University of Science, Japan, National Physical Laboratory, New Delhi, and Department of Chemistry, Indian Institute of Technology, Kharagpur-721302, India.
Sinha
Arun Kumar
AK
Pradhan
Mukul
M
Sarkar
Sougata
S
Negishi
Yuichi
Y
Pal
Tarasankar
T
D002384:Catalysis / Q000528:radiation effects; D004396:Coloring Agents / Q000737:chemistry*; D003300:Copper / Q000737:chemistry*; D004583:Electrons; D008027:Light; D008751:Methylene Blue / Q000737:chemistry; D049329:Nanostructures / Q000737:chemistry / Q000648:ultrastructure; D010084:Oxidation-Reduction / Q000528:radiation effects; D010777:Photochemistry; D013056:Spectrophotometry, Ultraviolet; D013816:Thermodynamics
D004396:Coloring Agents; D003300:Copper; C017846:cupric sulfide; D008751:Methylene Blue