• 文献标题:   Photocatalytic performance of graphene quantum dot incorporated UiO-66-NH2 composite assembled on plasma-treated membrane
  • 文献类型:   Article
  • 作  者:   SAFA S, KHAJEH M, OVEISI AR, AZIMIRAD R, SALEHZADEH H
  • 作者关键词:   zirconiumbased mof, metalorganic framework, graphene quantum dot, membrane, photocatalysi, organic dye, degradation, pollutant
  • 出版物名称:   ADVANCED POWDER TECHNOLOGY
  • ISSN:   0921-8831 EI 1568-5527
  • 通讯作者地址:  
  • 被引频次:   4
  • DOI:   10.1016/j.apt.2021.02.013 EA APR 2021
  • 出版年:   2021

▎ 摘  要

The UiO-66-NH2 and graphene quantum dot suspension were synthesized through hydrothermal and electrochemical methods, respectively. The prepared species were assembled on a non-woven polypropylene substrate (NW-PP). The obtained microstructure and the efficiency of the assembling methods were compared to each other. The results showed that plasma treatmentof NW-PP, as the pre-treating procedure, was the most liable strategy concerning the homogenous distribuation of MOF (mass loading percentage of-19.5 wt% of UiO-66-NH2) and improved filtering performance. Next, the photocatalytic performance against methylene blue was increased through addition of graphene quantum dot (GQD) to the NW-PP. The photoluminescence results confirmed that the presence of GQDs effectively inhibited the recombination of photogenerated electron/hole pairs. In addition, the photocatalytic constant rate was increased up to-three times in the presence of GQDs. Quenching tests proved that the photo-generated center dot O-2(-) played a major role in the photodegradation of the dye. (C) 2021 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.