Photovoltaic solar cells based on graphene/gallium arsenide Schottky junction

Ansari, Zeeshan Alam; Singh, Thokchom Jayenta; Islam, Sk Masiul; Singh, Sumitra; Mahala, Pramila; Khan, Afzal; Singh, Khomdram Jolson

doi:10.1016/j.ijleo.2019.01.078

Cited by 39 publications

(9 citation statements)

References 30 publications

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“…For example, the intrinsic properties of graphene (Gr) and CdS nanoparticles (NPs) have been combined in nanocomposites to produce a photocurrent from the visible light. Furthermore, because graphene involves π conjugation, it exhibits unique emergent [34] (*) Note: CVD (chemical vapor deposition), RGO (reduced graphene oxide), CIGS (Cu(In, Ga)Se 2 ), GO (graphene oxide), PSC (perovskite solar cell), DSSC (dye-sensitized solar cell), and OSC (organic solar cell).…”

Section: Introductionmentioning

confidence: 99%

Performance of Graphene–CdS Hybrid Nanocomposite Thin Film for Applications in Cu(In,Ga)Se2 Solar Cell and H2 Production

et al. 2020

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A graphene–cadmium sulfide (Gr–CdS) nanocomposite was prepared by a chemical solution method, and its material properties were characterized by several analysis techniques. The synthesized pure CdS nanoparticles (NPs) and Gr–CdS nanocomposites were confirmed to have a stoichiometric atomic ratio (Cd/S = 1:1). The Cd 3d and S 2p peaks of the Gr–CdS nanocomposite appeared at lower binding energies compared to those of the pure CdS NPs according to X-ray photoelectron spectroscopy analyses. The formation of the Gr–CdS nanocomposite was also evidenced by the structural analysis using Raman spectroscopy and X-ray diffraction. Transmission electron microscopy confirmed that CdS NPs were uniformly distributed on the graphene sheets. The absorption spectra of both the Gr–CdS nanocomposite and pure CdS NPs thin films showed an absorption edge at 550 nm related to the energy band gap of CdS (~2.42 eV). The Cu(In,Ga)Se2 thin film photovoltaic device with Gr–CdS nanocomposite buffer layer showed a higher electrical conversion efficiency than that with pure CdS NPs thin film buffer layer. In addition, the water splitting efficiency of the Gr–CdS nanocomposite was almost three times higher than that of pure CdS NPs.

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Section: Introductionmentioning

confidence: 99%

Performance of Graphene–CdS Hybrid Nanocomposite Thin Film for Applications in Cu(In,Ga)Se2 Solar Cell and H2 Production

et al. 2020

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“…[17] studied the implication of impact ionization due to a high electric field on the improvement of the photovoltaic solar cell efficiency. Ansari et al [18] undertaken a computational study on the photovoltaic performance and electrical characteristics of graphene/gallium arsenide Schottky junction solar cell with structure graphene/SiO2/GaAs/Au. Cotfas et al [19] described and used the SDA algorithm to calculate the five important parameters of the photovoltaic cells and panels.…”

Section: B-double Exponential Model (Dem)mentioning

confidence: 99%

Study of Models Using One or Two Exponentials to Simulate the Characteristic Current-voltage of Silicon Solar Cells

Sari-Ali¹,

Benyoucef²,

Chikh-Bled³

et al. 2019

EJEE

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The production of electricity based on the conversion of the sunlight by photocells crystalline silicon is the most way using on technological and industrial plan. As a consequence, the development of the applications of energy production requires cells with high efficiency and low cost. We propose two models using either one or two exponentials allowing to simulate the characteristic current-voltage of a solar cell. The goal of our work is to present a comparative study between the model theoretical and experimental aiming at the improvement of the solar cell efficiency. We also determine the parameters of the solar cell from the current-voltage curve. Additionally, we provide a justification for using the two exponential models for improving the cell efficiency. The model with two exponential allowing to investigate the phenomena of recombination in zone of diffusion and space charge in the areas quasi-neutrals of the transmitter and the base. This study underlines the insufficiency of the model to exponential generally used by showing that it leads to the design of the ideal solar cells whereas structures characterized by a factor of quality greater outcome with high efficiency.

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“…In recent years, much of the research on graphene is focused on graphene-SiO 2 /Si structure, whether it is the synthesis of graphene (mentioned above) or the application of graphene-component optoelectronic devices (such as high-speed transistors [17][18][19], high-sensitivity sensors [20][21][22], and high-performance solar cells [23][24][25]). Few studies have addressed the structural properties between graphene and non-Si substrates.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Study of Adsorption Capacity between Metal Film and Optical Crystal: Adsorption Energy of Ni Films on LiNbO3 Substrates

Lü

Liu

et al. 2021

Crystals

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The growth of large areas of two-dimensional homogeneous graphene depends on the bond between the metal film, which acts as a catalyst, and the substrate material. The structural differences between the metal and the various anisotropic crystals make this growth method a challenge for the feasibility of growing graphene on optical crystals. In this paper, the evolution of the adsorption energy between nickel (Ni) films and Lithium Niobate (LiNbO3, LN) crystals is modelled under different thermal treatment environments by constructing a physical model of the temperature dependence of the adsorption energy between the two materials. With the aid of a series of simulated full annealing processes, the changes in adsorption energy at different temperatures were calculated. The results show that there are two “temperature windows” with target annealing temperatures of 700–800 K and 950–1050 K that prove to have high adsorption energies. This is of great guiding and practical significance for the direct transfer-free synthesis of graphene on LiNbO3 substrates.

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Photovoltaic solar cells based on graphene/gallium arsenide Schottky junction

Cited by 39 publications

References 30 publications

Performance of Graphene–CdS Hybrid Nanocomposite Thin Film for Applications in Cu(In,Ga)Se2 Solar Cell and H2 Production

Performance of Graphene–CdS Hybrid Nanocomposite Thin Film for Applications in Cu(In,Ga)Se2 Solar Cell and H2 Production

Study of Models Using One or Two Exponentials to Simulate the Characteristic Current-voltage of Silicon Solar Cells

Thermodynamic Study of Adsorption Capacity between Metal Film and Optical Crystal: Adsorption Energy of Ni Films on LiNbO3 Substrates

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