DataVXACS Applied Nano MaterialsPaper
journal article·2024-04-12

MoO3 Nanorods Coated with MoS2 Nanosheets for Photocatalytic Elimination of Bacteria and Formaldehyde

Boji Zhou, Chaofeng Wang, Jinfeng Lu, Xiaoyan Zhang, Xiangmei Liu, Da-Peng Yang, Shuilin Wu

ACS Applied Nano Materials· Volume 7· Issue 7
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Source abstract

Abstract

The development of a green and environmentally friendly photocatalytic multifunctional coating in the field of architectural coatings is crucial. To this end, a simple hydrothermal method was constructed for the growth of MoS 2 in situ on modified MoO 3, and a photocatalytic coating with full-spectrum elimination of bacterial and formaldehyde, using a waste bioresource of eggshells as a substrate and MoO 3 @MoS 2 as the photocatalyst. The prepared photocatalytic coating has an excellent antibacterial effect on Gram-positive bacteria represented by S. aureus and Gram-negative bacteria represented by E. coli and also has significant effectiveness in the elimination of formaldehyde. MoO 3 @MoS 2 generates electron–hole pairs, and the formation of S-heterojunctions demonstrated by in situ XPS under full-spectrum xenon lamp (0.28 W/cm 2 ) irradiation increases the photogenerated electron–hole pair separation and improves the photocatalytic performance of the coating. Combining the photothermal effect and the increased specific surface area of discarded eggshells to enhance adsorption properties, the coating showed almost 99.9% antimicrobial resistance against S. aureus and E. coli within 10 min. At the same time, the elimination rate for high concentrations of formaldehyde is also about 92.5% with 30 min. This photocatalytic coating offers a promising strategy for the secondary use of waste bioresources and green coatings.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Advanced Photocatalysis Techniques · Gas Sensing Nanomaterials and Sensors · Advanced Nanomaterials in Catalysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Chemical Materials and Green Nanotechnology, Key Laboratory of Fujian Provincial Higher Education, College of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou 362000, PR China

Biomedical Materials Engineering Research Center, Hubei Key Laboratory of Polymer Materials, Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering, State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei University, Wuhan 430062, China

School of Health Science and Biomedical Engineering, Hebei University of Technology, Tianjin 300401, China

School of Rehabilitation Science and Engineering, University of Health and Rehabilitation Sciences, Qingdao, Shandong 266024, China

School of Materials Science and Engineering, Peking University, Yi-He-Yuan Road 5, Beijing 100871, China

Funding

China National Funds for Distinguished Young Scientists · Beijing Municipal Natural Science Foundation · National Natural Science Foundation of China-Guangdong Joint Fund · National Natural Science Foundation of China · Yanzhao Young Scientist Project · Fuxiaquan Collaborative Innovation Platform

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