Synthesis of rGO/Zr-MOF composite for hydrogen storage application

Nicholas M. Musyoka; Jianwei Ren; Henrietta W. Langmi; Brian C. North; Mkhulu Mathe; Dmitri Bessarabov

doi:10.1016/j.jallcom.2017.07.040

Synthesis of rGO/Zr-MOF composite for hydrogen storage application

Nicholas M. Musyoka, Jianwei Ren, Henrietta W. Langmi, Brian C. North, Mkhulu Mathe, Dmitri Bessarabov

Research output: Journal Publication › Article › peer-review

70 Citations (Scopus)

Abstract

A composite material consisting of Zr-based metal organic framework (Zr-MOF) and reduced graphene oxide (rGO) was successfully synthesized by an in situ method. The aim of the study was to transfer some of the graphene's attractive properties to the MOF materials. An important observation was that the incorporation of rGO did not alter or interfere with the crystallization of the MOF material. The studies showed an increase in surface area for the rGO/Zr-MOF composite (1480 m²/g) when compared to that of pristine Zr-MOF (1116 m²/g). There was also an enhancement of the hydrogen storage capacity from 1.4 wt% to 1.8 wt% for the GO/Zr-MOF composite. This enhancement could be attributed to the synergistic contribution of interactions of rGO sheets with hydrogen as well as from the possible expansion of the pore space in the Zr-MOF induced by the presence of the graphene-like material.

Original language	English
Pages (from-to)	450-455
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	724
DOIs	https://doi.org/10.1016/j.jallcom.2017.07.040
Publication status	Published - 2017
Externally published	Yes

Keywords

Hydrogen storage
Reduced graphene oxide (rGO)
Zr-MOF
rGO/Zr-MOF composite

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jallcom.2017.07.040

Cite this

@article{ad80b32eacf541689036f4df1213f3ce,

title = "Synthesis of rGO/Zr-MOF composite for hydrogen storage application",

abstract = "A composite material consisting of Zr-based metal organic framework (Zr-MOF) and reduced graphene oxide (rGO) was successfully synthesized by an in situ method. The aim of the study was to transfer some of the graphene's attractive properties to the MOF materials. An important observation was that the incorporation of rGO did not alter or interfere with the crystallization of the MOF material. The studies showed an increase in surface area for the rGO/Zr-MOF composite (1480 m2/g) when compared to that of pristine Zr-MOF (1116 m2/g). There was also an enhancement of the hydrogen storage capacity from 1.4 wt% to 1.8 wt% for the GO/Zr-MOF composite. This enhancement could be attributed to the synergistic contribution of interactions of rGO sheets with hydrogen as well as from the possible expansion of the pore space in the Zr-MOF induced by the presence of the graphene-like material.",

keywords = "Hydrogen storage, Reduced graphene oxide (rGO), Zr-MOF, rGO/Zr-MOF composite",

author = "Musyoka, {Nicholas M.} and Jianwei Ren and Langmi, {Henrietta W.} and North, {Brian C.} and Mkhulu Mathe and Dmitri Bessarabov",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

year = "2017",

doi = "10.1016/j.jallcom.2017.07.040",

language = "English",

volume = "724",

pages = "450--455",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Synthesis of rGO/Zr-MOF composite for hydrogen storage application

AU - Musyoka, Nicholas M.

AU - Ren, Jianwei

AU - Langmi, Henrietta W.

AU - North, Brian C.

AU - Mathe, Mkhulu

AU - Bessarabov, Dmitri

PY - 2017

Y1 - 2017

N2 - A composite material consisting of Zr-based metal organic framework (Zr-MOF) and reduced graphene oxide (rGO) was successfully synthesized by an in situ method. The aim of the study was to transfer some of the graphene's attractive properties to the MOF materials. An important observation was that the incorporation of rGO did not alter or interfere with the crystallization of the MOF material. The studies showed an increase in surface area for the rGO/Zr-MOF composite (1480 m2/g) when compared to that of pristine Zr-MOF (1116 m2/g). There was also an enhancement of the hydrogen storage capacity from 1.4 wt% to 1.8 wt% for the GO/Zr-MOF composite. This enhancement could be attributed to the synergistic contribution of interactions of rGO sheets with hydrogen as well as from the possible expansion of the pore space in the Zr-MOF induced by the presence of the graphene-like material.

AB - A composite material consisting of Zr-based metal organic framework (Zr-MOF) and reduced graphene oxide (rGO) was successfully synthesized by an in situ method. The aim of the study was to transfer some of the graphene's attractive properties to the MOF materials. An important observation was that the incorporation of rGO did not alter or interfere with the crystallization of the MOF material. The studies showed an increase in surface area for the rGO/Zr-MOF composite (1480 m2/g) when compared to that of pristine Zr-MOF (1116 m2/g). There was also an enhancement of the hydrogen storage capacity from 1.4 wt% to 1.8 wt% for the GO/Zr-MOF composite. This enhancement could be attributed to the synergistic contribution of interactions of rGO sheets with hydrogen as well as from the possible expansion of the pore space in the Zr-MOF induced by the presence of the graphene-like material.

KW - Hydrogen storage

KW - Reduced graphene oxide (rGO)

KW - Zr-MOF

KW - rGO/Zr-MOF composite

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U2 - 10.1016/j.jallcom.2017.07.040

DO - 10.1016/j.jallcom.2017.07.040

M3 - Article

AN - SCOPUS:85021861008

SN - 0925-8388

VL - 724

SP - 450

EP - 455

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

ER -

Synthesis of rGO/Zr-MOF composite for hydrogen storage application

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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