The role of pulse time T _(off) on porous silicon as template for Au nanoparticles by using the integrated electrochemical technique

Amran T.S.T.; Hashim M.R.; Ali N.K.; Yazid H.; Adnan R.

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The role of pulse time T _(off) on porous silicon as template for Au nanoparticles by using the integrated electrochemical technique

机译：集成电化学技术在多孔硅作为金纳米颗粒模板上的脉冲时间T_（off）的作用

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Gold nanoparticles (AuNPs) having variety of sizes and shape were prepared using the template synthesis approach. Porous silicon (PSi) was fabricated using the pulsed electrochemical anodization method at different pause times, T off as template for gold deposition. Choosing suitable pulse parameter produces PSi with higher porosity and smaller crystallite size. SEM showed that the variation of T off affects the pores formation and the growth of gold nanoparticles while EDX suggested the presence of Au inside the pores structure. Photoluminescence spectra showed emission enhancement and a blue shifted relative to porous silicon before deposited with AuNPs. XRD shows a high degree crystallinity of the samples and the presence of cubic gold with crystalline sizes was around 42 nm.

机译：使用模板合成方法制备了具有各种尺寸和形状的金纳米颗粒（AuNP）。使用脉冲电化学阳极氧化方法在不同的暂停时间（Toff作为金沉积模板）制备多孔硅（PSi）。选择合适的脉冲参数将产生具有较高孔隙率和较小晶粒尺寸的PSi。 SEM表明，T off的变化会影响孔的形成和金纳米颗粒的生长，而EDX表明孔结构内部存在Au。光致发光光谱显示出发射增强并且在沉积有AuNP之前相对于多孔硅发生了蓝移。 XRD显示样品的高度结晶性，并且具有晶体尺寸的立方金的存在为约42nm。

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《Physica, B. Condensed Matter》 |2012年第23期|共5页
作者
Amran T.S.T.; Hashim M.R.; Ali N.K.; Yazid H.; Adnan R.;
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正文语种 eng
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Gold nanoparticles; Photoluminescence; Porous silicon; Pulsed electrochemical;

机译：金纳米粒子;光致发光;多孔硅;脉冲电化学;

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机译：集成电化学技术在多孔硅作为金纳米颗粒模板上的脉冲时间T_（off）的作用
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3. Quantum Confinement of Integrated Pulse Electrochemical Etching of Porous Silicon for Metal Semiconductor Metal Photodetector [J] . Alhan Farhanah Abd Rahim, Mohamad Syarizal Abdullah, Ainorkhilah Mahmood, Materials science forum . 2016,第期

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4. The role of pulse time Toff on porous silicon as template for Au nanoparticles by using integrated electrochemical technique [C] . Amran T. S. T., Hashim M. R., Ali N. K., 2012 International Conference on Enabling Science and Nanotechnology . 2012

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6. Influence of polarized bias and porous silicon morphology on the electrical behavior of Au-porous silicon contacts [O] . Yue Zhao, Dong-sheng Li, Shou-xiang Xing, 2005

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The role of pulse time T _(off) on porous silicon as template for Au nanoparticles by using the integrated electrochemical technique

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