High-performance vertical graphene nanowall/silicon Schottky junction solar cells with Nafion doping and plasma etching

Liu, Linqing; Jia, Lizhe; Huang, Yanhong; Yu, Wei

doi:10.1016/j.jallcom.2023.168765

Cited by 6 publications

(3 citation statements)

References 43 publications

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“…Liu et al [ 35 ] extended the utility of VGNWs in vertical graphene nanowall/silicon Schottky junction solar cells by doping them with polymeric acid (Nafion) and employing plasma etching. The innovative combination of Nafion doping and plasma etching significantly improved the carrier transport and enhanced the VGNW/n-Si heterojunction’s properties.…”

Section: Applications Of Vgnwsmentioning

confidence: 99%

“…In regard to VGNWS applications, we have selected the most recent advances in the most interesting areas today, such as, photocatalysis [ 17 , 18 ], electrocatalyst for highly efficient hydrogen evolution reaction (HER) [ 19 , 20 , 21 ], rechargeable battery technology [ 22 , 23 , 24 ], supercapacitor technology [ 7 , 25 , 26 , 27 , 28 , 29 , 30 ], hydrovoltaic power generation [ 31 ], solar energy conversion [ 32 , 33 , 34 , 35 ], efficient thermal interfaces [ 36 , 37 , 38 , 39 ], field emission [ 40 ], IR detectors [ 41 ], and gas sensing [ 5 , 42 , 43 ].…”

Section: Introductionmentioning

confidence: 99%

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Advancements in Plasma-Enhanced Chemical Vapor Deposition for Producing Vertical Graphene Nanowalls

Bertran-Serra,

Rodriguez-Miguel,

et al. 2023

Nanomaterials

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In recent years, vertical graphene nanowalls (VGNWs) have gained significant attention due to their exceptional properties, including their high specific surface area, excellent electrical conductivity, scalability, and compatibility with transition metal compounds. These attributes position VGNWs as a compelling choice for various applications, such as energy storage, catalysis, and sensing, driving interest in their integration into next-generation commercial graphene-based devices. Among the diverse graphene synthesis methods, plasma-enhanced chemical vapor deposition (PECVD) stands out for its ability to create large-scale graphene films and VGNWs on diverse substrates. However, despite progress in optimizing the growth conditions to achieve micrometer-sized graphene nanowalls, a comprehensive understanding of the underlying physicochemical mechanisms that govern nanostructure formation remains elusive. Specifically, a deeper exploration of nanometric-level phenomena like nucleation, carbon precursor adsorption, and adatom surface diffusion is crucial for gaining precise control over the growth process. Hydrogen’s dual role as a co-catalyst and etchant in VGNW growth requires further investigation. This review aims to fill the knowledge gaps by investigating VGNW nucleation and growth using PECVD, with a focus on the impact of the temperature on the growth ratio and nucleation density across a broad temperature range. By providing insights into the PECVD process, this review aims to optimize the growth conditions for tailoring VGNW properties, facilitating applications in the fields of energy storage, catalysis, and sensing.

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Section: Applications Of Vgnwsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Advancements in Plasma-Enhanced Chemical Vapor Deposition for Producing Vertical Graphene Nanowalls

Bertran-Serra,

Rodriguez-Miguel,

et al. 2023

Nanomaterials

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show abstract

“…For optimized graphene doping to achieve high-performance SCs, Liu et al adopted Nafion doping and plasma etching and achieved 9.2% efficiency experimentally [120]. In order to provide a viable way to finely tune graphene doping for desired electronic properties, Shamim et al recently controlled doping concentration and choice of dopant for high-capacity negative electrodes for Li and Na ion batteries [121].…”

Section: Impact Of Graphene Doping On Sc Efficiencymentioning

confidence: 99%

Recent Advancements in Applications of Graphene to Attain Next-Level Solar Cells

Bagade

Patel²,

Malik

et al. 2023

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This paper presents an intensive review covering all the versatile applications of graphene and its derivatives in solar photovoltaic technology. To understand the internal working mechanism for the attainment of highly efficient graphene-based solar cells, graphene’s parameters of control, namely its number of layers and doping concentration are thoroughly discussed. The popular graphene synthesis techniques are studied. A detailed review of various possible applications of utilizing graphene’s attractive properties in solar cell technology is conducted. This paper clearly mentions its applications as an efficient transparent conducting electrode, photoactive layer and Schottky junction formation. The paper also covers advancements in the 10 different types of solar cell technologies caused by the incorporation of graphene and its derivatives in solar cell architecture. Graphene-based solar cells are observed to outperform those solar cells with the same configuration but lacking the presence of graphene in them. Various roles that graphene efficiently performs in the individual type of solar cell technology are also explored. Moreover, bi-layer (and sometimes, tri-layer) graphene is shown to have the potential to fairly uplift the solar cell performance appreciably as well as impart maximum stability to solar cells as compared to multi-layered graphene. The current challenges concerning graphene-based solar cells along with the various strategies adopted to resolve the issues are also mentioned. Hence, graphene and its derivatives are demonstrated to provide a viable path towards light-weight, flexible, cost-friendly, eco-friendly, stable and highly efficient solar cell technology.

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Plasma treatment of nafion membranes: Understanding the trade-off between surface modification and electrochemical degradation

Barbosa,

Gonçalves,

Blanco

et al. 2024

Journal of Power Sources

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High-performance vertical graphene nanowall/silicon Schottky junction solar cells with Nafion doping and plasma etching

Cited by 6 publications

References 43 publications

Advancements in Plasma-Enhanced Chemical Vapor Deposition for Producing Vertical Graphene Nanowalls

Advancements in Plasma-Enhanced Chemical Vapor Deposition for Producing Vertical Graphene Nanowalls

Recent Advancements in Applications of Graphene to Attain Next-Level Solar Cells

Plasma treatment of nafion membranes: Understanding the trade-off between surface modification and electrochemical degradation

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