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CrS-CrO/聚-2-氨基苯-1-硫醇作为一种用于从污水中绿色制氢的高效光催化材料。

CrS-CrO/Poly-2-aminobenzene-1-thiol as a Highly Photocatalytic Material for Green Hydrogen Generation from Sewage Water.

作者信息

Rabia Mohamed, Elsayed Asmaa M, Abdallah Alnuwaiser Maha

机构信息

Nanomaterials Science Research Laboratory, Chemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef 62514, Egypt.

TH-PPM Group, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef 62514, Egypt.

出版信息

Micromachines (Basel). 2023 Aug 7;14(8):1567. doi: 10.3390/mi14081567.

DOI:10.3390/mi14081567
PMID:37630103
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10456251/
Abstract

This study highlights the utilization of the CrS-CrO/P2ABT nanocomposite photoelectrode for efficient and highly sensitive photon absorption, enabling the generation of green hydrogen through the production of hot electrons upon illumination. The nanocomposite is synthesized via a one-pot reaction using KCrO and 2-aminobenzene-1-thiol monomer, and the presence of CrS-CrO is confirmed by XRD and XPS analysis within the composite. The optical properties of the CrS-CrO/poly-2-aminobenzene-1-thiol composite exhibit wide spectral coverage from UV to IR, with a bandgap of 1.6 eV. The diverse morphological behavior observed in the composite correlates with its optical properties, with the cleft spherical particles of the pure polymer transforming into rod-like structures embedded within the polymer matrix. The generated hydrogen gas demonstrates an impressive efficiency of 40.5 mole/10.cm.h through electrochemical testing. The current density (J) values are evaluated under different light frequencies using optical filters ranging from 730 to 340 nm, resulting in Jph values of 0.012 and 0.014 mA.cm, respectively. These findings present a promising avenue as green hydrogen for industrial applications, leveraging the potential of the CrS-CrO/P2ABT nanocomposite photoelectrode.

摘要

本研究强调了CrS-CrO/P2ABT纳米复合光电极在高效、高灵敏度光子吸收方面的应用，通过光照产生热电子从而实现绿色氢气的生成。该纳米复合材料通过使用KCrO和2-氨基苯-1-硫醇单体的一锅法反应合成，通过XRD和XPS分析证实了复合材料中CrS-CrO的存在。CrS-CrO/聚-2-氨基苯-1-硫醇复合材料的光学性质表现出从紫外到红外的宽光谱覆盖，带隙为1.6 eV。在复合材料中观察到的不同形态行为与其光学性质相关，纯聚合物的裂隙球形颗粒转变为嵌入聚合物基质中的棒状结构。通过电化学测试，产生的氢气显示出令人印象深刻的效率，为40.5摩尔/10平方厘米·小时。使用730至340 nm的光学滤波器在不同光频率下评估电流密度（J）值，结果Jph值分别为0.012和0.014 mA/平方厘米。这些发现利用CrS-CrO/P2ABT纳米复合光电极的潜力，为工业应用中的绿色氢气提供了一条有前景的途径。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/7d6398c5769c/micromachines-14-01567-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/d40846629ac2/micromachines-14-01567-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/2e554e4a3c4b/micromachines-14-01567-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/9e00ec93914f/micromachines-14-01567-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/dcce3ba45020/micromachines-14-01567-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/6b925854e07c/micromachines-14-01567-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/7d6398c5769c/micromachines-14-01567-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/d40846629ac2/micromachines-14-01567-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/2e554e4a3c4b/micromachines-14-01567-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/9e00ec93914f/micromachines-14-01567-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/dcce3ba45020/micromachines-14-01567-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/6b925854e07c/micromachines-14-01567-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e20/10456251/7d6398c5769c/micromachines-14-01567-g006.jpg

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