The assembly of a composite based on nano-sheet graphene oxide and montmorillonite

Abstract Graphene oxide (GO) nano-sheets were synthesized using a modified Hummers’ method from graphite powder. The Raman spectrum of GO displayed a D-band at 1359 cm−1 and a G-band at 1594 cm−1. The I D /I G value of GO was calculated to be 0.97, suggesting the formation of new sp 2 clusters upon...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Yu-Xiu An, Wei-Jia Qu, Pei-Zhi Yu, Jian-Guo Lü
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2018
Materias:	Drilling fluid Graphene oxide Montmorillonite Wellbore stability Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/e18310fa2b0b44c794c99f0c18eacc4f
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:e18310fa2b0b44c794c99f0c18eacc4f
record_format	dspace
spelling	oai:doaj.org-article:e18310fa2b0b44c794c99f0c18eacc4f2021-12-02T07:16:08ZThe assembly of a composite based on nano-sheet graphene oxide and montmorillonite10.1007/s12182-018-0216-31672-51071995-8226https://doaj.org/article/e18310fa2b0b44c794c99f0c18eacc4f2018-02-01T00:00:00Zhttp://link.springer.com/article/10.1007/s12182-018-0216-3https://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract Graphene oxide (GO) nano-sheets were synthesized using a modified Hummers’ method from graphite powder. The Raman spectrum of GO displayed a D-band at 1359 cm−1 and a G-band at 1594 cm−1. The I D /I G value of GO was calculated to be 0.97, suggesting the formation of new sp 2 clusters upon reduction. A method was designed to investigate the assembly of the GO/montmorillonite (MMT) composite. After the addition of GO, the typical peaks of montmorillonite in FT-IR spectra shifted, indicating the assembly between GO and MMT. The D-band and G-band reduced sharply in the GO/MMT composite. More importantly, the D-band (1344 cm−1) and G-band (1574 cm−1) shifted significantly and the I D/I G value of the GO/MMT composite was calculated to be 1.13, showing a change in the GO structure. In the addition of 0.04 wt% GO to MMT, the value of interlayer space (d) was up to 13.0 Å measured by XRD due to the insertion of GO into MMT. The evident increases in contents of carbon atoms (26.59%) and nitrogen atoms (3.44%) indicate that GO was successfully combined with MMT. The nano-pores and clay sheets were not observed in the SEM image of GO/clay, but obvious wrinkles, while flexible sheets were observed in the typical scanning electron microscopy images of GO. This further proves that GO was combining with clay. The TEM image shows that the GO nano-sheets were tiled on the surface of MMT sheets. This observation suggests that a stable assembly structure was formed between GO sheets and MMT sheets. The change in particle size of MMT with the addition of GO shows that interaction occurred between GO sheets and MMT sheets, which was further confirmed by the results of zeta potential. Adsorption and insertion were the main mechanisms to assemble GO and MMT.Yu-Xiu AnWei-Jia QuPei-Zhi YuJian-Guo LüKeAi Communications Co., Ltd.articleDrilling fluidGraphene oxideMontmorilloniteWellbore stabilityScienceQPetrologyQE420-499ENPetroleum Science, Vol 15, Iss 2, Pp 366-374 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Drilling fluid Graphene oxide Montmorillonite Wellbore stability Science Q Petrology QE420-499
spellingShingle	Drilling fluid Graphene oxide Montmorillonite Wellbore stability Science Q Petrology QE420-499 Yu-Xiu An Wei-Jia Qu Pei-Zhi Yu Jian-Guo Lü The assembly of a composite based on nano-sheet graphene oxide and montmorillonite
description	Abstract Graphene oxide (GO) nano-sheets were synthesized using a modified Hummers’ method from graphite powder. The Raman spectrum of GO displayed a D-band at 1359 cm−1 and a G-band at 1594 cm−1. The I D /I G value of GO was calculated to be 0.97, suggesting the formation of new sp 2 clusters upon reduction. A method was designed to investigate the assembly of the GO/montmorillonite (MMT) composite. After the addition of GO, the typical peaks of montmorillonite in FT-IR spectra shifted, indicating the assembly between GO and MMT. The D-band and G-band reduced sharply in the GO/MMT composite. More importantly, the D-band (1344 cm−1) and G-band (1574 cm−1) shifted significantly and the I D/I G value of the GO/MMT composite was calculated to be 1.13, showing a change in the GO structure. In the addition of 0.04 wt% GO to MMT, the value of interlayer space (d) was up to 13.0 Å measured by XRD due to the insertion of GO into MMT. The evident increases in contents of carbon atoms (26.59%) and nitrogen atoms (3.44%) indicate that GO was successfully combined with MMT. The nano-pores and clay sheets were not observed in the SEM image of GO/clay, but obvious wrinkles, while flexible sheets were observed in the typical scanning electron microscopy images of GO. This further proves that GO was combining with clay. The TEM image shows that the GO nano-sheets were tiled on the surface of MMT sheets. This observation suggests that a stable assembly structure was formed between GO sheets and MMT sheets. The change in particle size of MMT with the addition of GO shows that interaction occurred between GO sheets and MMT sheets, which was further confirmed by the results of zeta potential. Adsorption and insertion were the main mechanisms to assemble GO and MMT.
format	article
author	Yu-Xiu An Wei-Jia Qu Pei-Zhi Yu Jian-Guo Lü
author_facet	Yu-Xiu An Wei-Jia Qu Pei-Zhi Yu Jian-Guo Lü
author_sort	Yu-Xiu An
title	The assembly of a composite based on nano-sheet graphene oxide and montmorillonite
title_short	The assembly of a composite based on nano-sheet graphene oxide and montmorillonite
title_full	The assembly of a composite based on nano-sheet graphene oxide and montmorillonite
title_fullStr	The assembly of a composite based on nano-sheet graphene oxide and montmorillonite
title_full_unstemmed	The assembly of a composite based on nano-sheet graphene oxide and montmorillonite
title_sort	assembly of a composite based on nano-sheet graphene oxide and montmorillonite
publisher	KeAi Communications Co., Ltd.
publishDate	2018
url	https://doaj.org/article/e18310fa2b0b44c794c99f0c18eacc4f
work_keys_str_mv	AT yuxiuan theassemblyofacompositebasedonnanosheetgrapheneoxideandmontmorillonite AT weijiaqu theassemblyofacompositebasedonnanosheetgrapheneoxideandmontmorillonite AT peizhiyu theassemblyofacompositebasedonnanosheetgrapheneoxideandmontmorillonite AT jianguolu theassemblyofacompositebasedonnanosheetgrapheneoxideandmontmorillonite AT yuxiuan assemblyofacompositebasedonnanosheetgrapheneoxideandmontmorillonite AT weijiaqu assemblyofacompositebasedonnanosheetgrapheneoxideandmontmorillonite AT peizhiyu assemblyofacompositebasedonnanosheetgrapheneoxideandmontmorillonite AT jianguolu assemblyofacompositebasedonnanosheetgrapheneoxideandmontmorillonite
_version_	1718399549126475776

The assembly of a composite based on nano-sheet graphene oxide and montmorillonite

Ejemplares similares