Synthesis of g-C3N4 by doping Bi2S3 for the photocatalytic degradation of NOx under solar light

2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS) Pub Date : 2021-11-16 DOI:10.1109/ISPACS51563.2021.9651005

A. Hussain, Chitsan Lin, Chih-Yu Cheng

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Abstract

NOx is a universal term for nitrogen oxide relevant to air pollution namely nitric oxide (NO) and nitrogen dioxide (N2). Mostly NOx is generated from the anthropogenic activities. Currently photo-catalysis is an emerging tool used for the reduction of air pollutants which helps to improve the air quality. In this experimental work Bi2S3 doped into g-C3N4 used as catalyst and the resulting products were characterized such as XRD, FTIR, EDS. Bi2S3@g-C3N4 can harvest the solar light due to narrow band gap which improve electron hole pair and generated hydroxyl and superoxide radicals. Furthermore, Bi2S3@g-C3N4 increased the photo-oxidation efficiency of the transformation from NOx to NO3. In short, this study provides accomplished and effective approach to prepare Bi2S3@g-C3N4 photocatalysts for NOx degradation under solar light.

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掺杂Bi2S3合成g-C3N4用于太阳光催化降解NOx

NOx是与空气污染有关的氮氧化物的通用术语，即一氧化氮(NO)和二氧化氮(N2)。氮氧化物主要是由人为活动产生的。目前，光催化是一种用于减少空气污染物的新兴工具，有助于改善空气质量。本实验将Bi2S3掺杂到g-C3N4中作为催化剂，并对产物进行了XRD、FTIR、EDS等表征。Bi2S3@g-C3N4可以利用窄带隙收集太阳光，提高电子空穴对，产生羟基和超氧自由基。此外，Bi2S3@g-C3N4提高了NOx转化为NO3的光氧化效率。总之，本研究为制备太阳能下降解NOx的Bi2S3@g-C3N4光催化剂提供了一种完整而有效的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)

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