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| 1 | Fundamentals and comprehensive insights on pulsed laser synthesis of advanced materials for diverse photo-and electrocatalytic applications显示文摘The global energy crisis is increasing the demand for innovative materials with high purity and functionality for the development of clean energy production and storage.The development of novel photo-and electrocatalysts significantly depends on synthetic techniques that facilitate the production of tailored advanced nanomaterials.The emerging use of pulsed laser in liquid synthesis has attracted immense interest as an effective synthetic technology with several advantages over conventional chemical and physical synthetic routes,including the fine-tuning of size,composition,surface,and crystalline structures,and defect densities and is associated with the catalytic,electronic,thermal,optical,and mechanical properties of the produced nanomaterials.Herein,we present an overview of the fundamental understanding and importance of the pulsed laser process,namely various roles and mechanisms involved in the production of various types of nanomaterials,such as metal nanoparticles,oxides,non-oxides,and carbon-based materials.We mainly cover the advancement of photo-and electrocatalytic nanomaterials via pulsed laser-assisted technologies with detailed mechanistic insights and structural optimization along with effective catalytic performances in various energy and environmental remediation processes.Finally,the future directions and challenges of pulsed laser techniques are briefly underlined.This review can exert practical guidance for the future design and fabrication of innovative pulsed laser-induced nanomaterials with fascinating properties for advanced catalysis applications. | Jayaraman Theerthagiri K Karuppasamy Seung Jun Lee R.Shwetharani Hyun-Seok Kim S.K Khadheer Pasha Muthupandian Ashokkumar Myong Yong Choi | 2022 | Light(Science & Applications)2022，11，9： | 1 |
| 2 | 基于薄绝缘层和强电子受体的协同效应实现近似欧姆接触的高效空穴注入策略显示文摘有效的电荷注入是发展低电压、高效率有机发光二极管(OLEDs)的关键.然而,目前应用最广泛的空穴注入材料(HATCN)的注入效率仅约10%,无法满足高清显示和照明的需要.因此,我们基于薄绝缘层(特氟龙(Teflon))和强电子受体(HATCN)的协同效应设计了一种高效、通用的空穴注入技术.研究表明特氟龙诱导形成的纳米岛状结构有助于增强界面电场局域化,搭配HATCN可以实现高效的电荷产生和空穴注入.新型的注入层(Teflon/HATCN)可实现近似欧姆接触的高效空穴注入,其注入效率高达80%以上.基于该方法制备的红色磷光OLED的启亮电压仅为2.4 V,最大外量子效率高达33.1%.本文关于薄绝缘层和强电子受体的协同效应的研究为发展高性能电荷注入材料提供了新策略. | 刘子扬 魏鹏程 宾正杨 王学文 张东东 段炼 | 2021 | Science China Materials2021，64，12： | 0 |
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