نتایج جستجو برای: hydrothermal process

تعداد نتایج: 1326923  

Journal: :Journal of the American Chemical Society 2006
Weidong Shi Jiangbo Yu Haishui Wang Hongjie Zhang

The single-crystalline Sb2Te3 nanobelts were successfully synthesized by a novel and convenient surfactant-assisted hydrothermal approach. The ionic surfactant AOT acted as the shape controller in the synthetic process. We believe that this synthetic route could be applied to obtain other low-dimensional semiconducting telluride nanostructures.

Journal: :Chemical communications 2012
Bing Xu Baibiao Huang Hefeng Cheng Zeyan Wang Xiaoyan Qin Xiaoyang Zhang Ying Dai

Novel α-Fe(2)O(3) hollow polyhedra structures with single crystalline thin shells were synthesized by a facile one-pot template-free hydrothermal method, which exhibit high efficiency on the decoloration of RhB aqueous solution in the presence of H(2)O(2). Based on experimental analysis, a plausible growth process is proposed.

Journal: :Chemical communications 2010
Junyan Gong Shanzhong Li Dongen Zhang Xiaobo Zhang Chao Liu Zhiwei Tong

Large scale synthesis of uniform self-assembly Fe(3)O(4)@phenol formaldehyde resin (PFR) core-shell nanowires with 80-100 nm in diameter and 20-30 microm in length can be realized by a one-pot hydrothermal process. The optical and magnetic properties of the as-synthesized Fe(3)O(4) nanostructures have been investigated.

Journal: :Chemical communications 2011
Tae Il Lee Woo Soon Jang Ji Hyeon Park Youn Hee Kang Sang Hoon Lee Sung Hwan Hwang Hong Koo Baik Jae Min Myoung

A two dimensionally assembled monolayer of hexagonal convexo-convex β-cobalt hydroxide nanoplates as a self-disposable sacrificial epi-template leads to a highly vertical alignment of zinc oxide nanorods array having a good electrical contact with metal or semiconductor layer on a substrate in a hydrothermal process.

Journal: :Nanoscale 2014
Nan Wang Donge Wang Mingrun Li Jingying Shi Can Li

Hexagonal nanoflower WO3 arrays have been prepared by using RCOO(-) as the structure directing agent in the microwave-assisted hydrothermal synthesis process. The photoelectrochemical performance of the synthesized hexagonal flower-like WO3 electrode was enhanced compared with the block-like WO3 film.

Journal: :Chemical communications 2010
Haimin Zhang Yanhe Han Xiaolu Liu Porun Liu Hua Yu Shanqing Zhang Xiangdong Yao Huijun Zhao

Anatase TiO(2) microspheres with exposed mirror-like plane {001} facets were successfully synthesized via a facile hydrothermal process. The photoanode composed of TiO(2) microsphere top layer shows an improved DSSCs efficiency owing to the superior light scattering effect of microspheres and excellent light reflecting ability of the mirror-like plane {001} facets.

Journal: :Chemical communications 2014
Xinjiang Cui Yan Zhang Youquan Deng Feng Shi

A simple and efficient Pd/Al2O3-NR-RD catalyst was prepared by depositing palladium on a shape controllable Al2O3-NR support through a two-step process that involves hydrothermal synthesis of Al2O3-NRs followed by reductive-deposition of palladium. This catalyst showed high activity in the catalytic formylation of amines by CO2-H2 under mild conditions with up to 96% yield.

Journal: :Chemical communications 2011
Hao Jiang Ting Zhao Jan Ma Chaoyi Yan Chunzhong Li

Ultrafine MnO(2) nanowires with sub-10 nm diameters have been synthesized by a simple process of hydrothermal treatment with subsequent calcinations to form networks that exhibit an enhanced specific capacitance (279 F g(-1) at 1 A g(-1)), high rate capability (54.5% retention at 20 A g(-1)) and good cycling stability (1.7% loss after 1000 cycles).

2017
L. McCafferty C. O'Rourke A. Mills A. Kafizas I. P. Parkin J. A. Darr

Ultrafine ruthenium–titanium oxide catalysts were directly produced using a continuous hydrothermal flow synthesis process and assessed as chloride oxidation catalysts. Selectivity towards chlorine (over oxygen) evolution was shown to generally increase with decreasing ruthenium content. The optimum catalyst was then used to make an anode for a light-driven brine-splitting demonstrator device t...

Journal: :Chemical communications 2014
Nilantha P Wickramaratne Mietek Jaroniec

Metal nanoparticle-decorated carbon spheres (mn-CSs) are prepared by combining one-pot hydrothermal synthesis and post-synthesis modification. The former sol-gel type process is employed to obtain heteroatom-containing polymer spheres (PSs), which easily attract metal species that, during thermal treatment, are initially converted to nanoparticle-decorated PSs and finally to mn-CSs.

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