用于还原二氧化碳的金属聚(庚嗪亚胺)的光催化性能

IF 3.1 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Aika Yamaguchi, Chihiro Miyazaki, Yunosuke Takezawa, Goichiro Seo, Yuki Saito, Ryosuke Ohnuki, Shinya Yoshioka, Kaname Kanai
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引用次数: 0

摘要

聚(庚嗪亚胺)(PHI)是一种氮化碳聚合物,是一种高效的可见光光催化材料。我们的目标是提高其在二氧化碳转化方面的光催化性能。我们通过封装不同的金属(M = K、Li、Rb 和 Na)制备了 M-PHIs 和 H-PHIs,其中每种 M-PHI 的金属都与质子进行了离子交换。我们评估了它们转化二氧化碳的光催化活性,发现由 Na-PHI 制备的 Na-PHI 和 H-PHI(H-PHI(NaCl))的二氧化碳生成效率是甜瓜和其他 PHI 的两倍多。通过仔细研究 Na-PHI 的合成条件,我们找到了一种有意合成小粒径 M-PHI 的方法。这些结果为利用 PHI 高效转化二氧化碳提供了一种新策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Photocatalytic performance of metal poly(heptazine imide) for carbon dioxide reduction

Photocatalytic performance of metal poly(heptazine imide) for carbon dioxide reduction

Poly(heptazine imide) (PHI), a carbon nitride polymer, is a highly efficient visible-light-driven photocatalytic material. We aimed to improve its photocatalytic performance for CO2 conversion. We prepared M-PHIs by encapsulating different metals (M = K, Li, Rb, and Na) and H-PHIs, in which the metal of each M-PHI was ion-exchanged with a proton. We evaluated their photocatalytic activities for CO2 conversion and found that Na-PHI and H-PHI, prepared from Na-PHI (H-PHI(NaCl)), showed more than twice the CO production efficiency of melon and other PHIs.

The high CO production efficiency of Na-PHI and H-PHI(NaCl) was attributed to their extremely smaller particle size compared with those of the other PHIs. By closely examining the synthesis conditions of Na-PHI, we have identified a method to intentionally synthesize M-PHI with small particle size. These results provide a new strategy for highly efficient CO2 conversion using PHI.

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来源期刊
Carbon Trends
Carbon Trends Materials Science-Materials Science (miscellaneous)
CiteScore
4.60
自引率
0.00%
发文量
88
审稿时长
77 days
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