نتایج جستجو برای: sno2 nanoparticles

تعداد نتایج: 109620  

2014
Xiulin Fan Jie Shao Xuezhang Xiao Xinhua Wang Shouquan Li Hongwei Ge Lixin Chen Chunsheng Wang

State Key Laboratory of Silicon Materials, K Application for Batteries of Zhejiang Provin Engineering, Zhejiang University, Hangzhou edu.cn; Fax: +86 571 87951152; Tel: +86 57 Department of Chemical and Biomolecula College Park, MD 20742, USA. E-mail: cswa † Electronic supplementary information (TGA) prole of the SnO2@C porous com porous composite aer being ultrasoni galvanostatic charge–disc...

Journal: :Materials advances 2023

Nano-adsorbents are emerging as potential candidates for the treatment of toxic organic pollutants. In this context, spherical SnO2 nanoparticles (NPs) synthesized through a facile hydrothermal method without usage...

Journal: :Journal of Applied Physics 2023

Reducing the working temperature and increasing sensitivity selectivity has always been a research hotspot in field of MOS based gas sensors. In this work, improved triethylamine (TEA) sensing performance mechanism SnO2 by doping Pd have investigated. nanoparticles Pd-SnO2 with different amounts (0%, 0.1%, 0.3%, 0.5%, 0.7%) were successfully prepared hydrothermal method. The size is very unifor...

Journal: :Science China. Materials 2023

Tin dioxide (SnO2) possesses great potential as an anode material for lithium-ion batteries (LIBs) owing to its high theoretical specific capacity. However, the irreversible conversion of Sn SnO2 and enormous volume variation during charge/discharge process limit battery energy storage performance. In this study, ultrafine NiO nanoparticles (NPs) decorated on a three-dimensionally (3D) intercon...

2008
Wei Chen Debraj Ghosh Shaowei Chen

Tin oxide nanoparticles were synthesized by electrochemical oxidation of a tin metal sheet in a nonaqueous electrolyte containing NH4F. The as-prepared nanoparticles were then thermally annealed at 700 C for 6 h. The resulting particles were characterized by a variety of experimental techniques, including X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), Raman, ...

Journal: :Sensors and Actuators B-chemical 2021

We fabricated nitrogen dioxide (NO2) gas sensors with p-type carbon nanotubes (CNTs) / n-type tin (SnO2) nanoparticle heterojunctions using one-step dielectrophoretic assembly and investigated the effect of CNT/SnO2 ratio on their NO2 detection properties. CNTs SnO2 nanoparticles were mixed in various ratios, suspended deionized water, assembled by dielectrophoresis. The normalized response het...

Journal: :Communications in Physics 2021

In this study, tin oxide /reduced graphene (SnO2/rGO) samples were prepared by hydrothermal method. The structural characteristics, phase composition, morphology, and size of the studied X-ray diffraction, Raman scattering spectroscopy, scanning electron microscopy. Results showed that SnO2 nanoparticles had tetragonal rutile crystal structure with a ranging from 4.65 nm to 5.77 when pH was inc...

2014
N. Selvi S. Sankar

Nanocrystalline SnO2 core and ZnO as well as SiO2 shells coated core shell nanoparticles have been successfully synthesized by co-precipitation method. The as prepared samples were characterized by X-ray diffraction, FTIR, UV-Visible absorption, PL, FESEM, HRTEM with EDX measurements. The X-ray analysis showed that the obtained SnO2 core with tetragonal rutile crystalline structure and the shel...

Journal: :Angewandte Chemie 2009
Xiguang Han Mingshang Jin Shuifen Xie Qin Kuang Zhiyuan Jiang Yaqi Jiang Zhaoxiong Xie Lansun Zheng

Tin dioxide (SnO2), an n-type semiconductor with a wide band gap of 3.6 eV, has been widely used in photocatalytic degradation of organic dyes, photovoltaic devices, rechargeable lithium batteries, and so on. In particular, remarkable receptivity to variations in gaseous environments and excellent chemical stability have made SnO2 the bestknown gas-sensing material. Over the past decades, consi...

Journal: :Nanotechnology 2011
Mohammad Jahir Khan Shariq Qayyum Fahad Alam Qayyum Husain

Proteins adsorbed on nanoparticles (NPs) are being used in biotechnology, biosensors and drug delivery. However, understanding the effect of NPs on the structure of proteins is still in a nascent state. In the present paper tin oxide (SnO2) NPs were synthesized by the reaction of SnCl4·5H2O in methanol via the sol-gel method and characterized by x-ray diffraction (XRD), Fourier transform infrar...

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