نتایج جستجو برای: solvothermal synthesis

تعداد نتایج: 410146  

Journal: :Transactions of the Materials Research Society of Japan 2014

2016
Ruxue Li Xiaohua Wang Xinwei Wang Haoran Zhang Jingxin Pan Jilong Tang Dan Fang Xiaohui Ma Yongfeng Li Bin Yao Jie Fan Zhipeng Wei

Uniform antimony (Sb) nanotubes were successfully synthesized via a facile solvothermal method without the need for any surfactants or templates. The Sb nanotubes are confirmed to be pure rhombohedral phase and have better crystallinity. These nanotubes show middle-hollow and open-ended structures, as well as multi-walled structures with the wall thickness of about 10 nm. Also, they have an ave...

2012
ANUKORN PHURUANGRAT TITIPUN THONGTEM SOMCHAI THONGTEM

Cadmium sulfide (CdS) nanorods were synthesized by simple solvothermal reactions at 200 C for 12-24 h using Cd(NO3)2·4H2O and NH2CSNH2 as starting materials and (C2H5)2NH as solvent. XRD and TEM analysis show a hexagonal-phase single crystalline CdS nanorods with diameter of 20 nm and length of 100-200 μm. UV-visible absorption of as-prepared CdS nanorods presented an absorption peak of around ...

Journal: :Dalton transactions 2012
Baokuan Chen Bo Wang Zhengguo Lin Linyuan Fan Yuanzhe Gao Yingnan Chi Changwen Hu

Four novel organic functionalized polyoxovanadates are solvothermally synthesized by altering the reaction temperature and using different organoarsonic acids. These POVs are fully characterized and the phase transitions between different POVs structures are confirmed by X-ray diffraction analyses. Such a transition is temperature-dependent and thus controlled synthesis of new POVs can be achie...

2013
Caihua Wang Yumin Cui Kaibin Tang

We have successfully prepared α-Fe2O3 nanospheres by solvothermal method using 2-butanone and water mixture solvent for the first time, which were about 100 nm in diameter and composed of very small nanoparticles. The as-prepared samples were characterized using X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. The results showed that the product was α-Fe2O3...

Journal: :Chemical communications 2008
Yi Du Amber L Thompson Dermot O'Hare

Transition metal-exchanged polymer resin beads have been used as a heterogeneous controlled-release source of metal cations in high yielding, phase pure solvothermal syntheses of novel transition metal-organic frameworks.

Journal: :Physical chemistry chemical physics : PCCP 2016
Wenshuo Wang Cornelia Damm Johannes Walter Thomas J Nacken Wolfgang Peukert

In this work we performed a detailed investigation of the photostability of bottom-up produced carbon nanodots (CDs) prepared from citric acid and urea by solvothermal synthesis. Analytical ultracentrifugation (AUC) reveals that the CDs have a hydrodynamic diameter of <1 nm and a very narrow size distribution. In the community it is widely assumed that CDs are photo-stable. In contrast, we foun...

2014
Yanghai Gui Junhua Yuan Weiming Wang Jianbo Zhao Junfeng Tian Bing Xie

Graphene has attracted enormous attention owing to its extraordinary properties, while graphene-based nanocomposites hold promise for many applications. In this paper, we present a two-step exploitation method for preparation of graphene oxides and a facile solvothermal route for preparation of few-layer graphene nanosheets and graphene/WO₃ nanocomposites in an ethanol-distilled water medium. T...

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