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首页> 外文期刊>Science of advanced materials >Preparation and Shape-Modification of Silver Colloids by Laser Ablation in Liquids: A Brief Review
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Preparation and Shape-Modification of Silver Colloids by Laser Ablation in Liquids: A Brief Review

机译：激光烧蚀液体中银胶体的制备和形状修饰：简述

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摘要

Laser ablation in liquids (LAL) concentrates much attention as a novel technique to fabricate colloidal nanopar-ticles (NPs) of various materials. One of the advantageous points of this technique toward usual chemical synthesis technique is the absence of unnecessary reagents in colloidal solutions obtained. However, to utilize NPs obtained by LAL in various applications, influences of various substances added into solvent should be clarified, because NPs will be mixed with other materials such as binders in applications. Polyvinylpyrrolidone (PVP) is a famous polymer which is used to stabilize colloidal metal NPs. In this review, we introduce the influences of PVP for NPs obtained using LAL. First, the fundamental aspects of LAL in PVP such as formation efficiency, particle size and stability are described. Second, we describe the further shape modification of NPs, which are prepared using LAL, by means of the post laser irradiation (PLI) technique. The PLI is a useful technique to reduce the size and size distribution of NPs. In the case of silver NPs dispersed in PVP solution, another interesting phenomenon, the formation of nanocrystals, can be also observed. The mechanism of the influences of PVP on the LAL and PLI processes is discussed.
机译：液体中的激光烧蚀（LAL）作为制造各种材料的胶体纳米粒子（NPs）的一种新技术引起了人们的广泛关注。该技术对常规化学合成技术的优点之一是在获得的胶体溶液中不存在不必要的试剂。然而，为了在各种应用中利用通过LAL获得的NP，应弄清楚添加到溶剂中的各种物质的影响，因为在应用中NP将与其他材料（例如粘合剂）混合。聚乙烯吡咯烷酮（PVP）是一种著名的聚合物，用于稳定胶体金属NP。在这篇综述中，我们介绍了PVP对使用LAL获得的NP的影响。首先，描述了PVP中LAL的基本方面，例如形成效率，粒度和稳定性。其次，我们描述了通过激光后照射（PLI）技术使用LAL制备的NP的进一步形状修饰。 PLI是减少NP大小和大小分布的有用技术。在银纳米颗粒分散在PVP溶液中的情况下，还可以观察到另一个有趣的现象，即纳米晶体的形成。讨论了PVP对LAL和PLI过程的影响机理。

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  • 来源
    《Science of advanced materials》 |2012年第4期|p.391-400|共10页
  • 作者

    Takeshi Tsuji; Masahata Nakanishi; Takeshi Mizuki; Shogo Ozono; Masaharu Tsuji; Yasuyuki Tsuboi;

  • 作者单位

    Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan;

    Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan;

    Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan;

    Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan;

    Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan;

    Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    laser ablation; liquids; nanoparticles; colloids; PVP; nanocrystals.;

    机译：激光烧蚀液体纳米粒子胶体PVP;纳米晶体。;

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