Study of graphene doped zinc oxide nanocomposite as transparent conducting oxide electrodes for solar cell applications

Li, Panpan; Men, Chuanling; Li, Zhenpeng; Cao, Min; An, Zhenghua

doi:10.1007/s12204-014-1512-8

Cited by 4 publications

(2 citation statements)

References 15 publications

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“…It is ascribed to a primary or secondary in-plane bend or stretching vibration. The absorption band at about 1051 cm −1 plane can be inferred as the vibrational stretching of C=O coupled with C-OH bonds [58,59]. N-H bonds are observed by the out-of-plane vibrational stretching at peaks 906 and 835 cm −1 , which are conspicuously seen in ZnO/CN compared to ZnO comparatively.…”

Section: Materials Characterizationmentioning

confidence: 99%

“…N-H bonds are observed by the out-of-plane vibrational stretching at peaks 906 and 835 cm −1 , which are conspicuously seen in ZnO/CN compared to ZnO comparatively. ZnO bending vibrations corresponding to metal oxides are identified by the absorption peak 461 cm −1 [59,60]. Thus, it is believed that the grafting of graphene (CN) dopant molecules onto the synthesized ZnO nanopowders was successfully performed considering the IR spectroscopy's output.…”

Section: Materials Characterizationmentioning

confidence: 99%

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Green Valorization of Waste Plastics to Graphene as an Upcycled Eco-Friendly Material for Advanced Gas Sensing

Amoh,

Elkady,

Nasr

et al. 2024

Recycling

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The valorization technique successfully transformed waste polyethylene terephthalate (PET) into valuable carbon nanomaterial (CN)/graphene, while doped and undoped ZnO nanopowders were synthesized via sol–gel methods. Utilizing XRD, BET, TEM, EDX, FTIR, and TGA analyses, the synthesis of sp2 2D sheet, pristine, and doped ZnO nanostructures was confirmed. Solid-state gas sensor devices, tested under 51% relative humidity (RH), 30 °C ambient temperature, and 0.2 flow rate, exhibited a 3.4% enhanced response to H2 gas compared to CO2 at 50 ppm concentrations over time. Notably, the ZnO/CN sensor surpassed CN and ZnO alone, attributed to CN dopant integration with decreasing order of response performance as ZnO/CN > CN > ZnO. This study underscores the efficacy of valorization techniques in generating high-value carbon nanomaterials and their efficacy in bolstering gas sensor performance, with ZnO/CN demonstrating superior response capabilities.

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Section: Materials Characterizationmentioning

confidence: 99%

Section: Materials Characterizationmentioning

confidence: 99%