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Controlling the spacing of the linked graphene oxide system with dithiol linkers under confinement

Journal Article · · Nanoscale Advances
DOI:https://doi.org/10.1039/d3na00324h· OSTI ID:2419051
 [1];  [2];  [2];  [3];  [4];  [5];  [3]
  1. Yale Univ., New Haven, CT (United States); Yale Univ., New Haven, CT (United States)
  2. Univ. of New Mexico, Albuquerque, NM (United States)
  3. Yale Univ., New Haven, CT (United States)
  4. Univ. of Connecticut, Storrs, CT (United States)
  5. Yale West Campus, West Haven, CT (United States)
2D nanoscale confined systems exhibit behavior that is markedly different from that observed at the macroscale. Confinement can be tuned by controlling the interlayer spacing between confining layers using organic dithiol linkers. Adjusting spacing and selective intercalation have important impacts for catalysis, superconductivity, spin engineering, sodium ion batteries, 2D magnets, optoelectronics, and many other applications. In this study, we report how reaction conditions and organic linkers can be used to create variable, reproducible spacings between graphene oxide to provide confinement systems. We determined the conditions under which the spacing can be variably adjusted by the type of linker used, the concentration of the linker, and the reaction conditions. Employing dithiol linkers of different lengths, such as three (TPDT) and four (QPDT) aromatic rings, we can adjust the spacing between graphene oxide layers under varied reaction conditions. Here, we show that by varying dithiol linker length and using different reaction conditions, we can reproducibly control the spacing between graphene oxide layers from 0.37 nm to over 0.50 nm.
Research Organization:
Univ. of New Mexico, Albuquerque, NM (United States)
Sponsoring Organization:
US Army Research Office (ARO); US Office of Naval Research (ONR); USDOE Office of Science (SC)
Grant/Contract Number:
FG02-05ER15712
OSTI ID:
2419051
Journal Information:
Nanoscale Advances, Journal Name: Nanoscale Advances Journal Issue: 17 Vol. 5; ISSN 2516-0230; ISSN NAADAI
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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