title: Green synthesis of nanosilver as a sensor for detection of hydrogen peroxide in water.
abstract: Present "green" synthesis is an efficient, easy-going, fast, renewable, inexpensive, eco-friendly and non-toxic approach for nanosilver formation, which offers numerous benefits over physiochemical approaches. The X-ray diffraction (XRD) pattern suggests the formation and crystallinity of nanosilver. The average particle size of silver nanoparticles was 8.25±1.37 nm as confirmed by transmission electron microscopy (TEM). The UV-vis absorption spectrum shows a characteristic absorption peak of silver nanoparticles at 410 nm. FTIR confirms Azadirachtin as reducing and stabilizing agent for nanosilver formation. In addition, the nanosilver modified electrode (Ag/GC) exhibited an excellent electro-catalytic activity toward the reduction of hydrogen peroxide (H(2)O(2)). The produced nanosilver is stable and comparable in size. These silver nanoparticles show potential applications in the field of sensors, catalysis, fuel cells and nanodevices.
authors.affiliation: Nanotechnology Application Centre, Faculty of Science, University of Allahabad, Allahabad 211002, India. vineet2shukla@gmail.com
authors.forename: Vineet K
authors.initials: VK
authors.lastname: Shukla
authors.forename: Raghvendra S
authors.initials: RS
authors.lastname: Yadav
authors.forename: Poonam
authors.initials: P
authors.lastname: Yadav
authors.forename: Avinash C
authors.initials: AC
authors.lastname: Pandey
mesh_terms: D000465:Algorithms; D031601:Azadirachta / Q000737:chemistry; D060766:Drinking Water / Q000032:analysis; D004563:Electrochemistry; D006861:Hydrogen Peroxide / Q000032:analysis*; D007700:Kinetics; D036701:Limonins / Q000737:chemistry; D046529:Microscopy, Electron, Transmission; D053758:Nanoparticles / Q000737:chemistry*; D018515:Plant Leaves / Q000737:chemistry; D012639:Seeds / Q000737:chemistry; D012834:Silver / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet; D017550:Spectroscopy, Fourier Transform Infrared; D020349:Surface Plasmon Resonance; D014867:Water / Q000032:analysis*; D014961:X-Ray Diffraction
chemical_list: D060766:Drinking Water; D036701:Limonins; D014867:Water; D012834:Silver; D006861:Hydrogen Peroxide; C010329:azadirachtin