Journal
NANOSCALE ADVANCES
Volume -, Issue -, Pages -Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3na00324h
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2D nanoscale confined systems behave differently from macroscopic systems, and the interlayer spacing between confining layers can be controlled using organic dithiol linkers. This study explores the use of reaction conditions and organic linkers to create variable and reproducible spacings between graphene oxide layers. Different dithiol linkers and reaction conditions can be used to adjust the spacing from 0.37 nm to over 0.50 nm.
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.
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