One stone, two birds: Gastrodia elata-derived heteroatom-doped carbon materials for efficient oxygen reduction electrocatalyst and as fluorescent decorative materials
One stone, two birds: Gastrodia elata-derived heteroatom-doped carbon materials for efficient oxygen reduction electrocatalyst and as fluorescent decorative materials
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DOI：
10.1016/j.nanoen.2013.06.005
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发表时间：
2013-11-01
期刊：
影响因子：
17.6
通讯作者：
Golberg, Dmitri
中科院分区：
文献类型：
--
作者：
Gao, Shuyan;Fan, Hao;Golberg, Dmitri
我们展示了一种通过天麻水热处理合成氮掺杂碳材料的一石二鸟策略。固体产物随后进行进一步的离子热热解，在碱性介质中通过主要的四电子氧还原途径表现出优异的氧还原反应电催化活性，并且对商业 Pt/C 催化剂表现出优异的耐交叉性、CO 耐受性和催化稳定性。上清液在紫外光照射下表现出强烈的蓝色荧光，与中国民间剪纸艺术相结合，展现出其作为新一代装饰材料的广阔潜力，呈现出神秘刺激的舞台效果。鉴于其优异的电催化和光学性能、易于制备以及丰富的资源，这种一石二鸟的方法不仅赋予了产品理想的功能，而且也及时提醒我们的研究人员“物尽其用”这一广为人知的说法，尤其是在资源日益匮乏的今天，这一点变得越来越紧迫。 (C) 2013 Elsevier Ltd. 保留所有权利。
We demonstrate a one-stone-two-birds strategy for synthesizing nitrogen-doped carbon materials via hydrothermal treatment of Gastrodia elata. The solid product followed by further ionothermal pyrolysis exhibits excellent electrocatalytic activity for oxygen reduction reaction via a dominant four-electron oxygen reduction pathway in alkaline medium, and shows superior crossover resistance, CO tolerance, and catalytic stability to a commercial Pt/C catalyst. The supernatant exhibits strong blue fluorescence under UV radiation, showing its promising potential as new-generation decorative materials combining with Chinese folk paper-cut art and displaying mysterious and stimulating stage effects. Given these excellent electrocatalytic and optical properties, ease of preparation, and abundant resources, such one-stone-two-birds methodology not only endows the products with desirable functionality, but also timely reminds our researchers of the well-accepted saying that things should be used to their best advantages, which becomes more and more urgent especially in recent days characteristic of progressive resource scarcity. (C) 2013 Elsevier Ltd. All rights reserved.