scholarly journals One-step electrodeposition synthesis of silver-nanoparticle-decorated graphene on indium-tin-oxide for enzymeless hydrogen peroxide detection

Carbon ◽  
2013 ◽  
Vol 62 ◽  
pp. 405-412 ◽  
Author(s):  
A. Moradi Golsheikh ◽  
N.M. Huang ◽  
H.N. Lim ◽  
R. Zakaria ◽  
Chun-Yang Yin
Keyword(s):  
Hydrogen Peroxide ◽  
Silver Nanoparticle ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Hydrogen Peroxide Detection ◽  
One Step

ELECTROCHEMICAL Co3O4 NANOPOROUS THIN FILMS SENSOR FOR HYDROGEN PEROXIDE DETECTION

NANO ◽  
2014 ◽  
Vol 09 (04) ◽  
pp. 1450047 ◽  
Author(s):  
GUANG SHENG CAO ◽  
RUILIN WANG ◽  
PEILONG WANG ◽  
XIN LI ◽  
YUE WANG ◽  
...  
Keyword(s):  
Thin Films ◽  
Hydrogen Peroxide ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Photoelectron Spectroscopy ◽  
Electrode Materials ◽  
Electrochemical Sensing ◽  
Detection Sensitivity ◽  
X Ray ◽  
Hydrogen Peroxide Detection

The nanoporous Co 3 O 4 thin films were prepared on indium tin oxide (ITO) glasses by an electrodeposition method. The surface morphology and composition of the nanoporous Co 3 O 4 films were characterized by scanning electron microscopy (SEM), energy-dispersive X-ray analysis (EDS) and X-ray photoelectron spectroscopy (XPS). The results show that the as-deposited nanoporous Co 3 O 4 film is constructed by many interconnected nanoflakes with thickness of about 40 nm. The cyclic voltammetry (CV) measurement indicates that the nanoporous Co 3 O 4 films exhibit remarkable electrocatalytic activities for the hydrogen peroxide ( H 2 O 2) reduction which shows that it is a good candidate to be employed as electrode materials for electrochemical sensing of H 2 O 2. Further analysis indicated that the detection sensitivity of the sensor was 1.357 mA mM-1 cm-2 and the detection limit was estimated to be about 0.2 mM.

Indium–tin oxide film electrode as catalytic amperometric sensor for hydrogen peroxide

The Analyst ◽  
1995 ◽  
Vol 120 (10) ◽  
pp. 2579-2583 ◽  
Author(s):  
Xiaohua Cai ◽  
Božidar Ogorevc ◽  
Gabrijela Tavčar ◽  
Joseph Wang
Keyword(s):  
Hydrogen Peroxide ◽  
Oxide Film ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Amperometric Sensor ◽  
Film Electrode

Preparation of porphyrin modified CO9S8 nanocomposites and application for colorimetric biosensing of H2O2

2018 ◽  
Vol 22 (09n10) ◽  
pp. 935-943 ◽  
Author(s):  
Yan Gao ◽  
Chunqiao Jin ◽  
Miaomiao Chen ◽  
Xixi Zhu ◽  
Min Fu ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Catalytic Activity ◽  
Peroxidase Activity ◽  
Catalytic Mechanism ◽  
Color Change ◽  
Colorimetric Detection ◽  
Buffer Solution ◽  
Hydrogen Peroxide Detection ◽  
Steady State Kinetics ◽  
One Step

Hydrogen peroxide detection has been widely applied in the fields of biology, medicine, and chemistry. Colorimetric detection of hydrogen peroxide has proven to be a fast and convenient method. In this work, 5,10,15,20-tetrakis(4-chlorophenyl) porphyrin modified Co[Formula: see text]S[Formula: see text] nanocomposites (H[Formula: see text]TClPP-Co[Formula: see text]S[Formula: see text] were prepared via a facile one-step hydrothermal method. H[Formula: see text]TClPP-Co[Formula: see text]S[Formula: see text] nanocomposites were demonstrated to possess an enhanced mimetic peroxidase activity toward the substrate, 3,3[Formula: see text],5,5[Formula: see text]-tetramethylbenzidine (TMB), which can be oxidized to oxTMB (oxidized TMB) in a buffer solution of hydrogen peroxide with a color change from colorless to blue. The catalytic activity of H[Formula: see text]TClPP-Co[Formula: see text]S[Formula: see text] was further analyzed by steady-state kinetics, and H[Formula: see text]TClPP-Co[Formula: see text]S[Formula: see text] had high affinity towards both TMB and H[Formula: see text]O[Formula: see text]. Furthermore, fluorescence and ESR data revealed that the catalytic mechanism of the peroxidase activity of H[Formula: see text]TClPP-Co[Formula: see text]S[Formula: see text] is due to hydroxyl radicals generated from decomposition of H[Formula: see text]O[Formula: see text]. Based on the catalytic activity of H[Formula: see text]TClPP-Co[Formula: see text]S[Formula: see text], a sensitive colorimetric sensor of H[Formula: see text]O[Formula: see text] with a detection limit of 6.803 [Formula: see text]M as well as a range of 7–100 [Formula: see text]M was designed.

Hydrogen peroxide detection with a silver nanoparticle grating chip fabricated by plasmonic plating

2019 ◽  
Vol 11 (23) ◽  
pp. 2991-2995 ◽  
Author(s):  
Hiroyuki Yoshikawa ◽  
Kenshiro Hieda ◽  
Kanako Ikeda ◽  
Eiichi Tamiya
Keyword(s):  
Hydrogen Peroxide ◽  
Silver Nanoparticles ◽  
Silver Nanoparticle ◽  
Optical Detection ◽  
Hydrogen Peroxide Detection

An optical detection of hydrogen peroxide (H2O2) is proposed, using grating structures of silver nanoparticles (AgNPs).

Indium Tin Oxide Nanowires Grown by One-Step Thermal Evaporation-Deposition Process at Low Temperature

2013 ◽  
Vol 13 (2) ◽  
pp. 1300-1303 ◽  
Author(s):  
Haibo Dong ◽  
Xiaoxian Zhang ◽  
Zhiqiang Niu ◽  
Duan Zhao ◽  
Jinzhu Li ◽  
...  
Keyword(s):  
Low Temperature ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Thermal Evaporation ◽  
Deposition Process ◽  
Oxide Nanowires ◽  
One Step ◽  
Thermal Evaporation Deposition

Rapid Electrical Sintering of Nanoparticle Stuctures

2008 ◽  
Vol 1113 ◽  
Author(s):  
Ari T. Alastalo ◽  
Tomi Mattila ◽  
Mark L. Allen ◽  
Mikko J. Aronniemi ◽  
Jaakko H. Leppäniemi ◽  
...  
Keyword(s):  
Process Parameters ◽  
Silver Nanoparticle ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Mass Production ◽  
Temperature Sensitive ◽  
Bulk Silver ◽  
Versatile Tool ◽  
Conductance Increase

ABSTRACTA method for rapid electrical sintering (RES) of nanoparticle structures on temperature-sensitive substrates is presented. For an inkjetted silver nanoparticle conductor, a conductance increase of five orders of magnitude is demonstrated to occur in a timescale that typically varies between a few and one hundred milliseconds depending on process parameters. Furthermore, most of the conductance change takes only a few microseconds. The achievable final conductivities are within a factor of two from the bulk silver conductivity, as calculated using the external geometric dimensions of the structure ignoring porosity. The method is also applicable to other inorganic conductors such as indium-tin-oxide (ITO). More generally, the method offers a versatile tool in nanotechnology for electrical functionalization of nanoparticle structures. The method is also potentially suited for mass production.

Highly efficient indium tin oxide-free organic photovoltaics using inkjet-printed silver nanoparticle current collecting grids

2012 ◽  
Vol 101 (19) ◽  
pp. 193302 ◽  
Author(s):  
M. Neophytou ◽  
F. Hermerschmidt ◽  
A. Savva ◽  
E. Georgiou ◽  
S. A. Choulis
Keyword(s):  
Silver Nanoparticle ◽  
Organic Photovoltaics ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Highly Efficient
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