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首页> 外文期刊>Journal of the American Chemical Society >An Alkaline-Stable, Metal Hydroxide Mimicking Metal-Organic Framework for Efficient Electrocatalytic Oxygen Evolution
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An Alkaline-Stable, Metal Hydroxide Mimicking Metal-Organic Framework for Efficient Electrocatalytic Oxygen Evolution

机译：碱稳定的金属氢氧化物，模仿金属有机骨架，可有效释放电催化氧

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摘要

Postsynthetic ion exchange of [Co_2(μ-Cl)_2(btta)] (MAF-X27-Cl, H_2bbta =1H,5H-benzo(1,2-d:4,5-d′)bistriazole) possessing open metal sites on its pore surface yields a material [Co_2(μ-OH)_2(bbta)] (MAF-X27-OH) functionalized by both open metal sites and hydroxide ligands, giving drastically improved electro-catalytic activities for the oxygen evolution reaction (an overpotential of 292 mV at 10.0 mA cm~(-2) in 1.0 M KOH solution). Isotope tracing experiments further confirm that the hydroxide ligands are involved in the OER process to provide a low-energy intraframework coupling pathway.
机译：具有开放金属位点的[Co_2（μ-Cl）_2（btta）]（MAF-X27-Cl，H_2bbta = 1H，5H-苯并（1,2-d：4,5-d'）双三唑）的合成后离子交换在其孔表面上产生一种[Co_2（μ-OH）_2（bbta）]（MAF-X27-OH），该化合物通过开放的金属位点和氢氧化物配体进行功能化，从而大大改善了氧释放反应的电催化活性（在1.0 M KOH溶液中10.0 mA cm〜（-2）时的292 mV超电势）。同位素示踪实验进一步证实，氢氧化物配体参与了OER过程，以提供低能量的骨架内偶联途径。

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  • 来源
    《Journal of the American Chemical Society》 |2016年第27期|8336-8339|共4页
  • 作者

    Xue-Feng Lu; Pei-Qin Liao; Jia-Wei Wang; Jun-Xi Wu; Xun-Wei Chen; Chun-Ting He; Jie-Peng Zhang; Gao-Ren Li; Xiao-Ming Chen;

  • 作者单位

    MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China;

    MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China;

    MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China;

    MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China;

    MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China;

    MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China;

    MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China;

    MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China;

    MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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  • 入库时间 2022-08-18 03:08:52

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