2022
DOI: 10.1088/1361-6528/ac8d9c
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Scalable approach to fabricate paper-based biomass reduced graphene sensor for the detection of exhaled diabetic breath

Abstract: Herein, we demonstrate a microwave-assisted chemical reduction technique to exfoliate a few layers of graphene from the natural waste material, “coconut shell”. The microwave irradiation coconut shell is subjected to structural, morphological and functional groups characterization methods including SEM, Raman, FTIR and XPS spectroscopic analyses. The formation of biomass reduced graphene (BRG) has been confirmed through Raman and FTIR spectroscopic analyzes with the presence of D, G and 2D and other functional… Show more

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Cited by 8 publications
(7 citation statements)
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“…However, the salts applied to carbonation have different roles, for example, KOH, H 3 PO 4 , NaOH, and K 2 CO 3 are often used as chemical activators, salts such as KCl, ZnCl 2 , and LiCl tend to provide liquid reaction environments for biomass carbonation processes, while iron salts such as FeCl 3 , FeCl 2 , K 4 [Fe(CN) 6 ] and K 2 FeO 4 are considered as high-quality biomass preparation 2D-like graphene materials as a good template or catalyst. 108,109 The activation process of biomass is an effective way to increase the pore and specific surface area of carbon materials, and among the many activators, KOH has been widely studied for its ability to produce a great high specific surface area (B3000 m 2 g À1 ). The activation mechanism includes (1) first, a series of redox reactions of potassiumcontaining reagents (such as KOH, K 2 CO 3 , K 2 O) etching the carbon.…”
Section: Strategy For the Synthesis Of 2d Biomass Carbon Sheets And T...mentioning
confidence: 99%
See 1 more Smart Citation
“…However, the salts applied to carbonation have different roles, for example, KOH, H 3 PO 4 , NaOH, and K 2 CO 3 are often used as chemical activators, salts such as KCl, ZnCl 2 , and LiCl tend to provide liquid reaction environments for biomass carbonation processes, while iron salts such as FeCl 3 , FeCl 2 , K 4 [Fe(CN) 6 ] and K 2 FeO 4 are considered as high-quality biomass preparation 2D-like graphene materials as a good template or catalyst. 108,109 The activation process of biomass is an effective way to increase the pore and specific surface area of carbon materials, and among the many activators, KOH has been widely studied for its ability to produce a great high specific surface area (B3000 m 2 g À1 ). The activation mechanism includes (1) first, a series of redox reactions of potassiumcontaining reagents (such as KOH, K 2 CO 3 , K 2 O) etching the carbon.…”
Section: Strategy For the Synthesis Of 2d Biomass Carbon Sheets And T...mentioning
confidence: 99%
“…This environmentally friendly synthesis method is relatively less time-consuming and has a lower temperature. 108 In addition, Wan et al reported a facile and ultrafast laser writing technique to convert biomass into porous graphene. LIG was synthesized from all-biomass films composed of sulfated lignin and cellulose nanofibers, and the power of the laser was the most critical factor in determining the final 2D-BC structure.…”
Section: Strategy For the Synthesis Of 2d Biomass Carbon Sheets And T...mentioning
confidence: 99%
“…The incorporation of a conductive carbon matrix improves the electrical conductivity of the cathode material, and it also provides enhanced structural stability, mitigating the volume expansion and dissolution of active materials during cycling. By leveraging the synergistic effects between hydrated V 3 O 7 and the carbon network, this study aims to elucidate the intrinsic mechanisms behind the improved electrochemical performance that includes parameters like specific capacity, rate capability, and extended stable cyclability of the chosen cathode material. , To showcase the practical performance of the fabricated battery, three Zn/V 3 O 7 @C hydrated layered nanosheets were developed, each with a cross-section of 1 cm × 2 cm. Herein, a single Zn/V 3 O 7 @C hydrated layered nanosheet displayed an outstanding output voltage of 1.32 V. In contrast, the three cells connected in series provided a combined output voltage around 3.96 V. The effectiveness of the battery was further demonstrated by successfully powering three red LEDs with the three serially connected cells.…”
Section: Introductionmentioning
confidence: 99%
“…[22] Figure 2 depicts a schematic diagram of recently reported synthesized 3D-BC materials and the preparation strategies. [14,16,[67][68][69][70] It can be seen that the internal structure and preparation strategies of different BC materials vary greatly. [16,22,30,58,61,63,71,72] A full understanding of the structure of the 3D-BC can help researchers better guide the design of electrode modification materials for the electrochemical sensors.…”
Section: Introductionmentioning
confidence: 99%