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Photoluminescence Properties of SnO2 Nanoparticles …
2004年5月25日 · Nanocrystalline SnO2 particles have been synthesized by a simple sol−gel method. The structural and optical properties of these SnO2 …
- 作者: Feng Gu, Shu Fen Wang, Meng Kai Lü, Guang Jun Zhou, Dong Xu, Duo Rong Yuan
- Publish Year: 2004
Photoluminescence spectra of SnO2 nanoparticles with …
PL spectrum confirms the slight variation in emission wavelength for composites compared to pure ZnO NPs. The morphological analysis of ZnO NPs, ZnO/CdO NCs, and ZnO/SnO2 NCs were investigated...
Structural, optical, and thermal investigation of SnO2 nanoparticles ...
2023年12月5日 · Thermogravimetric study shows the thermal stability is enhanced for the 15% PS nanocomposite. The PL intensity of the PANI can be tuned by varying the concentrations …
PL spectra of SnO2 nanoparticles at various …
The SnO2-NPs were cytotoxic on A549 human lung carcinoma cells with an IC50 value of 28.08 μg/ml. The results of the study indicate that the NPs were effective antibacterial and cytotoxic agents.
PL spectra of (a) SnO2, (b) SnOx and (c) SnO nanoparticles with...
An enhanced sensing performance of Pd/SnO2 (sensor response, SR ∼ 90.5% with fast response/recovery time ∼ 15 s/34 s) was achieved compared to pristine-SnO2 film (SR ∼ …
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SnO2纳米晶体的制备、结构与发光性质 - 物理学报
使用软化学方法在碱性溶液中制备出了颗粒尺寸分布均匀的SnO2纳米颗粒,使用透射电子显微镜(TEM)、X射线衍射(XRD)、光致发光谱(PL)和光吸收谱等方法分析与表征了SnO2纳 …
SnO2纳米颗粒的制备及其发光性能*
图8b是干凝胶在不同温度下烧结时所得纯相SnO 2 在326 nm波长激发下所得的PL光谱图, 其荧光光谱主要集中在360-600 nm, 有379, 417, 450, 470 nm的主发射带。 其中379 nm的发射带接 …
SnO2纳米晶制备、结构和发光性质.PDF 7页 - 原创力文档
SnO2 纳米晶能够在水溶液中形成的原因,我们认为:在pH~11 的碱性溶液中,锡离子 主要以 Sn(OH)2O22- 的形式存在,带正电的 Sn4+含量很低。 常温下锡离子的水解反应 Sn4+ - +4OH …
SnO2 纳米晶体的尺寸和温度依赖性光学和电子场发射特性,Physica …
温度依赖性光致发光 (pl) 研究表明,与 5k 时的面内氧空位和桥接氧空位相比,亚桥氧空位占主导地位。 还报道了纳米晶体尺寸对场发射特性的影响。 与高温相比,所制备的 SnO 2 QD 的电 …