Journal ArticleDOI
ZnO twin-cones: synthesis, photoluminescence, and catalytic decomposition of ammonium perchlorate.
TLDR
The variations of photoluminescence spectra and catalytic roles in ammonium perchlorate decomposition were discussed in terms of the defect structure of ZnO twin-cones.Abstract:
ZnO twin-cones, a new member to the ZnO family, were prepared directly by a solvothermal method using a mixed solution of zinc nitrate and ethanol. The reaction and growth mechanisms of ZnO twin-cones were investigated by X-ray diffraction, UV-visible spectra, infrared and ion trap mass spectra, and transmission electron microscopy. All as-prepared ZnO cones consisted of tiny single crystals with lengths of several micrometers. With prolonging of the reaction time from 1.5 h to 7 days, the twin-cone shape did not change at all, while the lattice parameters increased slightly and the emission peak of photoluminescence shifted from the green region to the near orange region. ZnO twin-cones are also explored as an additive to promote the thermal decomposition of ammonium perchlorate. The variations of photoluminescence spectra and catalytic roles in ammonium perchlorate decomposition were discussed in terms of the defect structure of ZnO twin-cones.read more
Citations
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Journal ArticleDOI
Nickel–Cobalt Layered Double Hydroxide Nanosheets for High-performance Supercapacitor Electrode Materials
TL;DR: In this article, a facile and novel one-step method of growing nickel-cobalt layered double hydroxide (Ni-Co LDH) hybrid films with ultrathin nanosheets and porous nanostructures on nickel foam is presented using cetyltrimethylammonium bromide as nanostructure growth assisting agent but without any adscititious alkali sources and oxidants.
Journal ArticleDOI
ZnO with Different Morphologies Synthesized by Solvothermal Methods for Enhanced Photocatalytic Activity
Linping Xu,Yan-Ling Hu,Candice Pelligra,Chun-Hu Chen,Lei Jin,Hui Huang,Shanthakumar Sithambaram,Mark Aindow,Raymond Joesten,Steven L. Suib +9 more
TL;DR: In this paper, a range of different morphologies have been synthesized via a simple solvothermal method with different solvents, and the optical properties of the as-prepared ZnO materials were investigated by UV−vis absorption and room temperature photoluminescence.
Journal ArticleDOI
Solvothermal synthesis of NiCo-layered double hydroxide nanosheets decorated on RGO sheets for high performance supercapacitor
TL;DR: In this paper, NiCo-LDH/RGO composite electrodes exhibit excellent super-capacitive properties, and deliver a maximum specific capacitance of 1911.1 ǫ 1.1
Journal ArticleDOI
One-Step Fabrication of Ultrathin Porous Nickel Hydroxide-Manganese Dioxide Hybrid Nanosheets for Supercapacitor Electrodes with Excellent Capacitive Performance
TL;DR: In this article, a facile one-step hydrothermal co-deposition method for growth of ultrathin Ni(OH)2-MnO2 hybrid nanosheet arrays on three dimensional (3D) macroporous nickel foam is presented.
Journal ArticleDOI
Porous Nickel Hydroxide–Manganese Dioxide-Reduced Graphene Oxide Ternary Hybrid Spheres as Excellent Supercapacitor Electrode Materials
Hao Chen,Shuxue Zhou,Limin Wu +2 more
TL;DR: The electrodes with the as-obtained Ni(OH)2-MnO2-RGO ternary hybrid spheres as active materials exhibited significantly enhanced specific capacitance and energy density based on the total mass of active materials.
References
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