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Gel–based Controlled Synthesis of Silver Nanoparticles and Their Applications in Catalysis, Sensing and Environmental Remediation
Author(s) -
Bala Sukhen,
Mondal Raju
Publication year - 2017
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201600998
Subject(s) - silver nanoparticle , environmental remediation , catalysis , chemistry , methylene blue , reducing agent , nanoparticle , nanocomposite , pyrazole , nanotechnology , chemical engineering , combinatorial chemistry , materials science , organic chemistry , contamination , photocatalysis , ecology , engineering , biology
We report herein a novel gel‐based method of generating silver nanoparticles (AgNPs) for various applications. An unorthodox pyridyl‐pyrazole basedchelatinglow molecular mass gelator was used for controlled synthesis of multifunctional AgNPs. The resultant fiber networks of gel itself act as template for AgNPs formation when a threshold concentration of Ag salts is exceeded. It is noteworthy here that existence of such threshold condition for AgNP formation is strategically important but under explored. The as‐synthesized AgNPs exhibit efficient catalytic activity of the reduction of 4‐nitrophenol and Methylene blue.The as‐synthesized AgNPs shows highly selective sensing ability of toxic Hg 2+ ion in ppm level. Furthermore, our system also offers a unique two‐in‐one environmental remediation through sequestration‐cum‐reduction of toxic hexavalent Cr.