Large Flake Graphene Oxide Fibers with Unconventional 100% Knot Efficiency and Highly Aligned Small Flake Graphene Oxide Fibers

2013 ◽  
Vol 25 (33) ◽  
pp. 4592-4597 ◽  
Author(s):  
Changsheng Xiang ◽  
Colin C. Young ◽  
Xuan Wang ◽  
Zheng Yan ◽  
Chi-Chau Hwang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Small Flake

scholarly journals Realizing small-flake graphene oxide membranes for ultrafast size-dependent organic solvent nanofiltration

2020 ◽  
Vol 6 (17) ◽  
pp. eaaz9184 ◽  
Author(s):  
Lina Nie ◽  
Kunli Goh ◽  
Yu Wang ◽  
Jaewoo Lee ◽  
Yinjuan Huang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Organic Solvent ◽  
High Performance ◽  
Organic Dyes ◽  
Molecular Transport ◽  
Operating Conditions ◽  
Transport Pathways ◽  
Size Dependent ◽  
Organic Solvent Nanofiltration ◽  
Small Flake

Membranes for organic solvent nanofiltration (OSN) or solvent-resistant nanofiltration (SRNF) offer unprecedented opportunities for highly efficient and cost-competitive solvent recovery in the pharmaceutical industry. Here, we describe small-flake graphene oxide (SFGO) membranes for high-performance OSN applications. Our strategy exploits lateral dimension control to engineer shorter and less tortuous transport pathways for solvent molecules. By using La3+ as a cross-linker and spacer for intercalation, the SFGO membrane selective layer was stabilized, and size-dependent ultrafast selective molecular transport was achieved. The methanol permeance was up to 2.9-fold higher than its large-flake GO (LFGO) counterpart, with high selectivity toward three organic dyes. More importantly, the SFGO-La3+ membrane demonstrated robust stability for at least 24 hours under hydrodynamic stresses that are representative of realistic OSN operating conditions. These desirable attributes stem from the La3+ cross-linking, which forms uniquely strong coordination bonds with oxygen-containing functional groups of SFGO. Other cations were found to be ineffective.

LDPE Building Blocks with Controlled Graphene-oxide Interfaces: Composite Manufacturing and Electric Property Investigation

2016 ◽  
Vol 136 (2) ◽  
pp. 93-98 ◽  
Author(s):  
Paolo Mancinelli ◽  
Valentina Santangelo ◽  
Davide Fabiani ◽  
Andrea Saccani ◽  
Maurizio Toselli ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Building Blocks ◽  
Electric Property ◽  
Oxide Interfaces ◽  
Composite Manufacturing

THERMAL PERFORMANCE OF GRAPHENE OXIDE NANOFLUID IN MICROCHANNEL HEAT EXCHANGER

2020 ◽  
Vol 27 (5) ◽  
pp. 439-461
Author(s):  
Yue Seong Ong ◽  
Ku Zilati Ku Shaari ◽  
Afiq Mohd Laziz ◽  
Inn Leon Lu ◽  
Mohamad Fakhrul Ridhwan Samsudin ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Heat Exchanger ◽  
Thermal Performance ◽  
Microchannel Heat Exchanger
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