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用于光催化应用的水提取物对氧化石墨烯的环保还原

Eco-Friendly Reduction of Graphene Oxide by Aqueous Extracts for Photocatalysis Applications.

作者信息

Verástegui-Domínguez Luz H, Elizondo-Villarreal Nora, Martínez-Delgado Dora Irma, Gracia-Pinilla Miguel Ángel

机构信息

Materiales Nanoestructurados (CICFIM), Facultad de Ciencias Físico Matemáticas (FCFM), Universidad Autónoma de Nuevo León (UANL), 66450 San Nicolás de los Garza, N.L., Mexico.

Mesoscale Chemical Systems, MESA+ Institute, University of Twente, P.O. Box 217, 7500AE Enschede, The Netherlands.

出版信息

Nanomaterials (Basel). 2022 Nov 3;12(21):3882. doi: 10.3390/nano12213882.

DOI:10.3390/nano12213882
PMID:36364657
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9655637/
Abstract

In the present work, reduced graphene oxide was obtained by green synthesis, using extracts of (gobernadora) and (habanero). Graphene oxide was synthesized by the modified Hummers' method and subsequently reduced using natural extracts to obtain a stable and environmentally friendly graphene precursor. Consequently, the gobernadora aqueous extract was found to have a better reducing power than the habanero aqueous extract. This opportunity for green synthesis allows the application of RGO in photocatalysis for the degradation of the methylene blue dye. Degradation efficiencies of 60% and 90% were obtained with these materials.

摘要

在本工作中，采用（ gobernadora）和（哈瓦那辣椒）的提取物通过绿色合成法制备了还原氧化石墨烯。氧化石墨烯通过改进的Hummers法合成，随后使用天然提取物进行还原，以获得稳定且环境友好的石墨烯前驱体。结果发现，gobernadora水提取物比哈瓦那辣椒水提取物具有更好的还原能力。这种绿色合成的机会使得还原氧化石墨烯能够应用于光催化降解亚甲基蓝染料。使用这些材料获得了60%和90%的降解效率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/b8512107b0a7/nanomaterials-12-03882-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/15b2b6a3c3b4/nanomaterials-12-03882-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/a919e6ecae75/nanomaterials-12-03882-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/161a633aa51e/nanomaterials-12-03882-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/fca980d3f1bc/nanomaterials-12-03882-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/8f257e1b5306/nanomaterials-12-03882-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/cc6f51c65ccb/nanomaterials-12-03882-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/f98c77ed5fd7/nanomaterials-12-03882-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/b23ecc0fb327/nanomaterials-12-03882-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/97dffcbc7702/nanomaterials-12-03882-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/b8512107b0a7/nanomaterials-12-03882-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/15b2b6a3c3b4/nanomaterials-12-03882-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/a919e6ecae75/nanomaterials-12-03882-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/7108000671aa/nanomaterials-12-03882-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/a17b6b5a20a9/nanomaterials-12-03882-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/8ed46e9639bf/nanomaterials-12-03882-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/161a633aa51e/nanomaterials-12-03882-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/fca980d3f1bc/nanomaterials-12-03882-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/8f257e1b5306/nanomaterials-12-03882-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/cc6f51c65ccb/nanomaterials-12-03882-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/f98c77ed5fd7/nanomaterials-12-03882-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/b23ecc0fb327/nanomaterials-12-03882-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/97dffcbc7702/nanomaterials-12-03882-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e55/9655637/b8512107b0a7/nanomaterials-12-03882-g013.jpg

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