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首页> 外文期刊>ACS applied materials & interfaces >Highly Efficient Photoelectrochemical Synthesis of Ammonia Using Plasmon-Enhanced Black Silicon under Ambient Conditions
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Highly Efficient Photoelectrochemical Synthesis of Ammonia Using Plasmon-Enhanced Black Silicon under Ambient Conditions

机译：在环境条件下使用等离子体增强黑色硅的高效光电化学合成氨

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摘要

Although photoelectrochemical synthesis of NH(3 )is considered as an ecofriendly and sustainable process under ambient conditions, stable and highly efficient catalysts for the N-2 reduction reaction are still lacking because of the chemically inert nature of the triple bonds in elemental nitrogen and the competitive reaction of water reduction. In this paper, a photoelectrochemical N-2 reduction reaction route is proposed through combining black silicon and Ag nanoparticles using a simple deposition method. The synergetic effect of Ag nanoparticles and black Si significantly enhances the activity for the ammonia evolution reaction. The obtained Ag/bSi photocathode reaches a high Faraday efficiency of 40.6% and an NH3 yield of 2.87 mu mol h(-1) cm(-2) at -0.2 V versus the reversible hydrogen electrode in 0.1 M Na2SO4.
机译：尽管NH（3）的光电化学合成在环境条件下被认为是Ecofriendly和可持续的方法，但由于元素氮气中的三键的化学惰性性质，仍然缺乏N-2还原反应的稳定和高效催化剂。 减少水的竞争反应。 在本文中，通过使用简单的沉积方法将黑色硅和Ag纳米颗粒组合来提出光电化N-2还原反应途径。 Ag纳米粒子和黑色Si的协同作用显着增强了氨进化反应的活性。 所得Ag / BSI光电阴极达到40.6％的高温效率，NH 3产率为2.87μmmolH（-1）cm（-2），而在0.1M Na 2 SO 4中的可逆氢电极。

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  • 来源
    《ACS applied materials & interfaces》 |2020年第18期|共7页
  • 作者

    Wang Bo; Yao Li; Xu Guangqing; Zhang Xinyi; Wang Dongmei; Shu Xia; Lv Jun; Wu Yu-Cheng;

  • 作者单位

    Hefei Univ Technol Sch Mat Sci &

    Engn Hefei 230009 Peoples R China;

    Hefei Univ Technol Sch Mat Sci &

    Engn Hefei 230009 Peoples R China;

    Key Lab Adv Funct Mat &

    Devices Anhui Prov Hefei 230009 Peoples R China;

    Guangxi Univ Collaborat Innovat Ctr Sustainable Energy Mat Nanning 530004 Peoples R China;

    Hefei Univ Technol Sch Mat Sci &

    Engn Hefei 230009 Peoples R China;

    Hefei Univ Technol Sch Mat Sci &

    Engn Hefei 230009 Peoples R China;

    Hefei Univ Technol Sch Mat Sci &

    Engn Hefei 230009 Peoples R China;

    Hefei Univ Technol Sch Mat Sci &

    Engn Hefei 230009 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    black silicon; Ag nanoparticles; photoelectrochemical; ammonia;

    机译：黑色硅;Ag纳米粒子;光电化学;氨;

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