Separation of graphene oxide and thermally reduced graphene oxide by vertical electrophoresis
This study aims to investigate the electrophoretic behavior of TRGO dispersed in Sodium Dodecyl Sulfate (SDS) using a custom-made vertical electrophoretic set-up, under varying voltages at constant current for 10 hours. The separated upper and bottom layers of TRGO solution were characterized using UV-Vis spectrometry, scanning electron microscopy (SEM) and Raman spectroscopy. The upper layer of the TRGO dispersion after electrophoresis retained their TRGO properties and were able to produce uniform and smooth surface with a well-packed layered structure of graphene nanosheets. The lower layer appeared to be oxidized resulting to the reappearance of graphene oxide. The mechanism of separation and formation are explained.
By submitting their manuscript to the Samahang Pisika ng Pilipinas (SPP) for consideration, the Authors warrant that their work is original, does not infringe on existing copyrights, and is not under active consideration for publication elsewhere.
Upon acceptance of their manuscript, the Authors further agree to grant SPP the non-exclusive, worldwide, and royalty-free rights to record, edit, copy, reproduce, publish, distribute, and use all or part of the manuscript for any purpose, in any media now existing or developed in the future, either individually or as part of a collection.
All other associated economic and moral rights as granted by the Intellectual Property Code of the Philippines are maintained by the Authors.