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Nano-MOF@defected film C3N4 Z-scheme composite for visible-light photocatalytic nitrogen fixation
RSC Advances ( IF 3.9 ) Pub Date : 2020-7-13 , DOI: 10.1039/d0ra03562a Zhu Ding 1 , Shuo Wang 1 , Xue Chang 1 , Dan-Hong Wang 1 , Tianhao Zhang 1
RSC Advances ( IF 3.9 ) Pub Date : 2020-7-13 , DOI: 10.1039/d0ra03562a Zhu Ding 1 , Shuo Wang 1 , Xue Chang 1 , Dan-Hong Wang 1 , Tianhao Zhang 1
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Photocatalytic nitrogen fixation has attracted extensive attention in recent years. Studies have shown that catalytic materials with O, N and other defects can effectively reduce the bond energy of N![[triple bond, length as m-dash]](https://www.rsc.org/images/entities/char_e002.gif)
N triple bond when N2 is adsorbed on the defects. As an outstanding non-metallic catalyst, g-C3N4 has been widely studied in the field of photocatalytic catalysis, and the nitrogen-defected C3N4 shows promoted photocatalytic activity. Herein, nano-size MOF-74 particles (<20 nm) was dispersed on nitrogen-defected C3N4 thin film (∼4 nm) via a simple sol–gel method. The combination of Nano-MOF and defected film C3N4 could effectively improve the photocatalytic activity of nitrogen fixation through Z-scheme mechanism compared with pure defected film C3N4.
中文翻译：
Nano-MOF@缺陷薄膜C3N4 Z型复合材料用于可见光光催化固氮
近年来，光催化固氮引起了广泛关注。研究表明，具有O、N等缺陷的催化材料在N 2吸附在缺陷上时，可以有效降低N-N三键的键能。gC 3 N 4作为一种优秀的非金属催化剂，在光催化领域得到了广泛的研究，氮缺陷的C 3 N 4显示出促进的光催化活性。在此，通过简单的溶胶-凝胶法将纳米尺寸的 MOF-74 颗粒（<20 nm）分散在氮缺陷的 C 3 N 4薄膜（~4 nm）上。Nano-MOF与缺陷膜C 3的结合与纯缺陷膜C 3 N 4相比， N 4通过Z-方案机理可以有效提高光催化固氮活性。
更新日期：2020-07-13
N triple bond when N2 is adsorbed on the defects. As an outstanding non-metallic catalyst, g-C3N4 has been widely studied in the field of photocatalytic catalysis, and the nitrogen-defected C3N4 shows promoted photocatalytic activity. Herein, nano-size MOF-74 particles (<20 nm) was dispersed on nitrogen-defected C3N4 thin film (∼4 nm) via a simple sol–gel method. The combination of Nano-MOF and defected film C3N4 could effectively improve the photocatalytic activity of nitrogen fixation through Z-scheme mechanism compared with pure defected film C3N4.
中文翻译：
Nano-MOF@缺陷薄膜C3N4 Z型复合材料用于可见光光催化固氮
近年来，光催化固氮引起了广泛关注。研究表明，具有O、N等缺陷的催化材料在N 2吸附在缺陷上
时，可以有效降低N-N三键的键能。gC 3 N 4作为一种优秀的非金属催化剂，在光催化领域得到了广泛的研究，氮缺陷的C 3 N 4显示出促进的光催化活性。在此，通过简单的溶胶-凝胶法将纳米尺寸的 MOF-74 颗粒（<20 nm）分散在氮缺陷的 C 3 N 4薄膜（~4 nm）上。Nano-MOF与缺陷膜C 3的结合与纯缺陷膜C 3 N 4相比， N 4通过Z-方案机理可以有效提高光催化固氮活性。
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