Influence of argon flow rate on structural and optical properties of TiO2 thin films deposited by RF sputtering

Bhardwaj, Shubhangi; Basumatary, Pilik; Agarwal, Pramod

doi:10.1063/1.5032979

Cited by 4 publications

(2 citation statements)

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“…[3,5] Unfortunately, the reduction of GO is generally accompanied by the stacking of graphene sheets, which results in a lower surface area than that desired for ideal graphene. [2,6] In this research, we investigated the reduction process while suppressing the stacking of graphene sheets using AA under mild reaction conditions. A series of investigations, such as GO/ AA ratio, reduction temperature, time-course analysis, and side product analysis, were performed to propose the mechanism of the reduction of GO.…”

Section: Introductionmentioning

confidence: 99%

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Unveiling the Reduction Process of Graphene Oxide by Ascorbic Acid: Grafting and Reduction Sequences for High Surface Area Graphene Materials

Ortiz‐Anaya,

Nishina

2023

ChemPlusChem

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This work reports the synthesis of high surface area reduced graphene oxides using L‐ascorbic acid as a reducing agent by precisely controlling the interaction between graphene oxide and L‐ascorbic acid. Based on the structural characterization, such as textural properties (specific surface area, pore structure), crystallinity, and carbon chemical state, we identified that the temperature and reaction time are critical parameters to control the stacking degree of the final reduced product. Besides, by performing a time course analysis of the reaction, we identified the side products of the reducing agent by LC‐MS and verified the reduction mechanism. Following our results, we proposed an optimum condition for producing a graphene derivative adsorbent with a high surface area. This graphene derivative was tested in an aqueous solution with organic and inorganic pollutants such as methylene blue, methyl orange, and cadmium.

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Section: Introductionmentioning

confidence: 99%

“…Each method has advantages: UV light allows the selective removal of epoxides; [1] and reducing agents work at relatively low temperatures [3,5] . Unfortunately, the reduction of GO is generally accompanied by the stacking of graphene sheets, which results in a lower surface area than that desired for ideal graphene [2,6] …”

Section: Introductionmentioning

confidence: 99%