快速加热-冷却工艺制备金空心球

IF 2.2 4区 工程技术 Q2 Chemistry Gold Bulletin Pub Date : 2022-03-08 DOI:10.1007/s13404-022-00311-1
Lin Zhang, Jianjun Zhang, Quan Zheng, Ying Xu, Xinli Kou, Tao Li
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引用次数: 1

摘要

虽然金空心球在催化等领域显示出独特的优势,但现有的合成策略原子效率低,经济效率低。本文采用简单湿化学法和快速加热冷却相结合的方法制备了金空心球,其中快速升温使金蒸发,快速冷却使金“气泡”冻结。对照实验证实,载体的存在在一定程度上限制了金纳米颗粒的生长和烧结,较慢的升温速率抑制了金球的空心化。这项工作为快速简便地合成金空心球提供了一种新的策略,为能量存储和生物传感应用提供了广泛的可能性。
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Formation of gold hollow spheres by rapid heating–cooling process

Although gold hollow spheres show unique advantages in fields like catalysis, the available synthesis strategies have low atom and economic efficiency. In this paper, Au hollow spheres were produced by combining simple wet chemical method and rapid heating–cooling process, in which rapid temperature rise caused Au evaporation and rapid cooling froze gold “bubbles.” The control experiments confirmed the presence of supports which limit the growth and sintering of Au nanoparticles to some extent, and slower heating rate inhibits the hollowing of gold sphere. This work provides a new strategy for the rapid and facile synthesis of Au hollow spheres, offering a wide range of possibilities for energy storage and biosensing applications.

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来源期刊
Gold Bulletin
Gold Bulletin 工程技术-材料科学:综合
CiteScore
3.30
自引率
4.50%
发文量
0
审稿时长
3 months
期刊介绍: Gold Bulletin is the premier international peer reviewed journal on the latest science, technology and applications of gold. It includes papers on the latest research advances, state-of-the-art reviews, conference reports, book reviews and highlights of patents and scientific literature. Gold Bulletin does not publish manuscripts covering the snthesis of Gold nanoparticles in the presence of plant extracts or other nature-derived extracts. Gold Bulletin has been published over 40 years as a multidisciplinary journal read by chemists, physicists, engineers, metallurgists, materials scientists, biotechnologists, surface scientists, and nanotechnologists amongst others, both within industry and academia. Gold Bulletin is published in Association with the World Gold Council.
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