Journal
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY
Volume 9, Issue 1, Pages 201-211Publisher
KOREAN SOC PRECISION ENG
DOI: 10.1007/s40684-021-00315-w
Keywords
Graphene oxide; Reduction; UV-IR assisted IPL irradiation; Supercapacitor
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Funding
- National Research Foundation of Korea (NRF) - Ministry of Education [2012R1A6A1029029, 2018R1D1A1A09083236]
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Trade, Industry & Energy(MOTIE) of the Republic of Korea [20206910100160]
- National Research Foundation of Korea [2018R1D1A1A09083236] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The UV-IR assisted intense pulsed light (IPL) process was found to enhance the reduction efficiency of graphene oxide (GO) compared to other methods, without causing damage to the GO sheet. By optimizing the conditions of the UV-IR assisted IPL, graphene films were successfully reduced and characterized using various spectroscopic techniques. The reduced GO based electrode showed promising performance for use in electrical double layer capacitors when tested using a three electrode electrochemical method.
In this work, a UV-IR assisted intense pulsed light (IPL) process was used for the reduction of graphene oxide (GO). It was found that the reduction efficiency of GO was enhanced compared to those of other reduction methods such as only intense pulsed light irradiation or other chemical method. An optimal condition for the reduction of GO was investigated by varying conditions and combinations of the UV-IR assisted IPL. The graphene films reduced by the UV-IR assisted IPL were characterized by X-ray photoelectron spectroscopy, Raman spectroscopy and transmission electron microscopy. As a result, we found the optimum condition of the UV-IR assisted IPL process for the reduction of GO without any damage to the GO sheet. Also, the reduced GO based electrode was fabricated with nickel foam for the electrical double layer capacitor and its performance was tested using three electrode electrochemical method. [GRAPHICS] .
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