A universal and ultrafast method for fabricating a library of nanocellulose-supported metal nanoparticles

IF 4.8 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Progress in Natural Science: Materials International Pub Date : 2024-04-01 DOI:10.1016/j.pnsc.2024.04.006

Ziyi Luo , Xiaoyang Wang , Baihua Cui , Hao Luo , Tao Zhang , Jia Ding , Yanan Chen , Yida Deng , Wenbin Hu

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引用次数: 0

Abstract

Using nanocatalysts to catalyze water electrolysis for hydrogen production is an ideal solution to address the energy crisis. The most well-adopted fabrication methods for nanocatalysts are tube furnace annealing, Hydrothermal method, etc., hardly satisfying the trade-off among coarsening, dispersity, and particle size due to mutual restrictions. Herein, a universal, ultrafast and facile cellulose nanometer whiskers-high temperature shock (CNW-HTS) method was reported for fabricating a library of ultrafine metal nanoparticles with uniform dispersion and narrow size distribution. The metal-anchor functional groups in CNW (i.e., –OH and –COOH) and the characteristics of the HTS method for ultrafast heating and powerful quenching synergistically contribute to the successful synthesis of metal nanoparticles. As an initial demonstration, the as-prepared Pt nanocatalyst (η10 mA cm⁻² = 51.8 mV) shows more excellent catalytic hydrogen evolution reaction (HER) performance than the Pt catalyst prepared in the tubular furnace (η10 mA cm⁻² = 169.4 mV). This rapid and universal CNW-HTS method can pave the way for nanomanufacturing to produce high-quality metal nanoparticles, thereby expanding applications of energy conversion and electrocatalysis.

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制造纳米纤维素支撑金属纳米粒子库的通用超快方法

利用纳米催化剂催化水电解制氢是解决能源危机的理想方案。目前最常用的纳米催化剂制备方法有管式炉退火法、水热法等，但由于相互制约，很难满足粗化、分散性和粒径之间的权衡。本文报道了一种通用、超快、简便的纤维素纳米晶须-高温冲击（CNW-HTS）方法，用于制备分散均匀、粒度分布窄的超细金属纳米颗粒库。CNW 中的金属锚定官能团（即 -OH 和 -COOH）与 HTS 方法的超快加热和强力淬火特性协同作用，成功合成了金属纳米颗粒。初步结果表明，与管式炉中制备的铂催化剂（η10 mA cm-2 = 51.8 mV）相比，以这种方法制备的铂纳米催化剂（η10 mA cm-2 = 169.4 mV）具有更优异的催化氢进化反应（HER）性能。这种快速、通用的 CNW-HTS 方法可为纳米制造生产高质量的金属纳米颗粒铺平道路，从而拓展能源转换和电催化的应用领域。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Progress in Natural Science: Materials International 综合性期刊-综合性期刊

CiteScore

8.60

自引率

2.10%

发文量

2812

审稿时长

49 days

期刊介绍： Progress in Natural Science: Materials International provides scientists and engineers throughout the world with a central vehicle for the exchange and dissemination of basic theoretical studies and applied research of advanced materials. The emphasis is placed on original research, both analytical and experimental, which is of permanent interest to engineers and scientists, covering all aspects of new materials and technologies, such as, energy and environmental materials; advanced structural materials; advanced transportation materials, functional and electronic materials; nano-scale and amorphous materials; health and biological materials; materials modeling and simulation; materials characterization; and so on. The latest research achievements and innovative papers in basic theoretical studies and applied research of material science will be carefully selected and promptly reported. Thus, the aim of this Journal is to serve the global materials science and technology community with the latest research findings. As a service to readers, an international bibliography of recent publications in advanced materials is published bimonthly.