Synergetic Effect of Physicochemical and Electrostatic Strategies on Ion Sieving for Polymer Cross-linked Graphene Oxide Membrane

2021 ◽  
Author(s):  
Ki Ryuk Bang ◽  
Daniel Bahamon ◽  
Lourdes F. Vega ◽  
Eun Seon Cho
Keyword(s):  
Graphene Oxide ◽  
Surface Charge ◽  
Water Permeability ◽  
Ion Selectivity ◽  
Synergetic Effect ◽  
Water Molecules ◽  
Oxide Membrane

Layered-stacked graphene oxide (GO) membranes have shown ultrafast water permeability and ion selectivity by virtue of well-defined nanochannels and intrinsic surface charge properties; however, accumulating water molecules in GO capillaries...

Graphene oxide-embedded polyamide nanofiltration membranes for selective ion separation

2017 ◽  
Vol 5 (48) ◽  
pp. 25632-25640 ◽  
Author(s):  
Ruirui Hu ◽  
Yijia He ◽  
Cuimiao Zhang ◽  
Rujing Zhang ◽  
Jing Li ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Water Permeability ◽  
Interfacial Polymerization ◽  
Ion Selectivity ◽  
Nanofiltration Membranes ◽  
Ion Separation

Graphene oxide modified piperazine nanofiltration membranes are prepared by in situ interfacial polymerization and show improved water permeability and ion selectivity performance.

Oscillation in the electrical conductivity of a thick graphene oxide membrane

2021 ◽  
Vol 129 (23) ◽  
pp. 235105
Author(s):  
L. Jamilpanah ◽  
M. Alihosseini ◽  
S. Ghasemi ◽  
N. Hassani ◽  
F. Peymanirad ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Graphene Oxide ◽  
Oxide Membrane

Fabrication of Graphene Oxide Membrane with Multiple “Plug-ins” for Efficient Dye Nanofiltration

2021 ◽  
pp. 119504
Author(s):  
Jia Pang ◽  
Xiaolei Cui ◽  
Yang Feng ◽  
Zhenji Guo ◽  
Guodong Kong ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Oxide Membrane

Emerging investigators series: silica-crosslinked graphene oxide membrane and its unique capability in removing neutral organic molecules from water

2016 ◽  
Vol 2 (4) ◽  
pp. 717-725 ◽  
Author(s):  
Sunxiang Zheng ◽  
Baoxia Mi
Keyword(s):  
Graphene Oxide ◽  
Organic Molecules ◽  
Ionic Species ◽  
Oxide Membrane ◽  
Unique Capability

A new graphene oxide (GO) membrane was synthesized by crosslinking GO nanosheets via silica. This membrane was found to remove neutral organic molecules much more efficiently than negatively charged ionic species.

Effect of Surface Charge Density of Graphene Oxide on Chemical Warfare Agent Simulants Blocking

2021 ◽  
pp. 152225
Author(s):  
Youna Kim ◽  
Moonhyun Choi ◽  
Jiwoong Heo ◽  
Sungwon Jung ◽  
Dongwon Ka ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Charge Density ◽  
Surface Charge ◽  
Surface Charge Density ◽  
Chemical Warfare Agent ◽  
Chemical Warfare ◽  
Effect Of Surface
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