TY - JOUR
T1 - Graphene oxide – molybdenum disulfide hybrid membranes for hydrogen separation
AU - Ostwal, Mayur
AU - Shinde, Digambar
AU - Wang, Xinbo
AU - Gadwal, Ikhlas
AU - Lai, Zhiping
N1 - KAUST Repository Item: Exported on 2021-09-14
Acknowledged KAUST grant number(s): FCC/1/1972-22-01
Acknowledgements: This work was supported by KAUST CCF grant FCC/1/1972-22-01.
PY - 2017/12/24
Y1 - 2017/12/24
N2 - Graphene oxide – molybdenum disulfide hybrid membranes were prepared using vacuum filtration technique. The thickness and the MoS2 content in the membranes were varied and their H2 permeance and H2/CO2 selectivity are reported. A 60nm hybrid membrane containing ~75% by weight of MoS2 exhibited the highest H2 permeance of 804×10−9mol/m2·s·Pa with corresponding H2/CO2 selectivity of 26.7; while a 150nm hybrid membrane with ~29% MoS2 showed the highest H2/CO2 selectivity of 44.2 with corresponding H2 permeance of 287×10−9mol/m2·s·Pa. The hybrid membranes exhibited much higher H2 permeance compared to graphene oxide membranes and higher selectivity compared to MoS2 membranes, which fully demonstrated the synergistic effect of both nanomaterials. The membranes also displayed excellent operational long-term stability.
AB - Graphene oxide – molybdenum disulfide hybrid membranes were prepared using vacuum filtration technique. The thickness and the MoS2 content in the membranes were varied and their H2 permeance and H2/CO2 selectivity are reported. A 60nm hybrid membrane containing ~75% by weight of MoS2 exhibited the highest H2 permeance of 804×10−9mol/m2·s·Pa with corresponding H2/CO2 selectivity of 26.7; while a 150nm hybrid membrane with ~29% MoS2 showed the highest H2/CO2 selectivity of 44.2 with corresponding H2 permeance of 287×10−9mol/m2·s·Pa. The hybrid membranes exhibited much higher H2 permeance compared to graphene oxide membranes and higher selectivity compared to MoS2 membranes, which fully demonstrated the synergistic effect of both nanomaterials. The membranes also displayed excellent operational long-term stability.
UR - http://hdl.handle.net/10754/626442
UR - http://www.sciencedirect.com/science/article/pii/S0376738817329976
UR - http://www.scopus.com/inward/record.url?scp=85040003678&partnerID=8YFLogxK
U2 - 10.1016/j.memsci.2017.12.063
DO - 10.1016/j.memsci.2017.12.063
M3 - Article
AN - SCOPUS:85040003678
VL - 550
SP - 145
EP - 154
JO - Journal of Membrane Science
JF - Journal of Membrane Science
SN - 0376-7388
ER -