Graphene/silicon and graphene/ GaAs Schottky barrier solar cells have been demonstrated, achieving PCE''s of 15% and 18%, respectively.[11] Previously, reduced graphene oxide was used by Yan et al. to form a Schottky junction …
graphene/Si Schottky junction solar cells in recent years. In 2010, the rst graphene/n-Si Schottky junction solar cell was reported by Zhu et al.23 They showed that graphene lm can be combined with Si to form efficient solar cells. In this kind of solar cells ...
Graphene/silicon (Gr/Si) Schottky barrier solar cells (SBSCs) are attractive for harvesting solar energy and have been gaining grounds for its low-cost solution-processing. The interfacial barrier between graphene and silicon …
Steady advances have been achieved in last decade on the hybrid graphene/silicon Schottky solar cells that are based on an unconventional Schottky …
In 2010, the first graphene/n-Si Schottky junction solar cell was reported by Zhu et al. 23 They showed that graphene film can be combined with Si to form efficient solar cells. In this kind of solar cells, graphene not only …
2. Graphene–Si Schottky junction solar cells Schottky junction solar cells, fabricated by directly depositing a thin layer of metal or transparency electrode on a moderate doped semiconductor wafer, are receiving much attention in photovoltaic field. 9 Compared to the traditional p–n junction solar cells, the Schottky junction solar cells …
2 1. Introduction Graphene/n-Si Schottky junction solar cells (GSSC) have attracted attention as a promising solar cell technology because of their low-cost fabrication and high-power conversion efficiency (PCE).1)–8) The PCE of GSSCs has increased rapidly from approximately 1.5% in ...
Generally, graphene/silicon Schottky junction has a low energy barrier, which cannot effectively separate photon-generated carriers, resulting in a poor performance for a typical Gr/Si solar cell. Download : Download high-res image (420KB)
Highly conductive semitransparent graphene sheets are combined with an n-type silicon (n-Si) wafer to fabricate solar cells with power conversion efficiencies up to …
1. Introduction Due to the attractive characteristics of graphene, it has been used to prepare graphene devices such as solar cells [1].Several structures have been developed to develop graphene/n-silicon (Si) Schottky junction solar cells [2], …
The advent of chemical vapor deposition (CVD) grown graphene has allowed researchers to investigate large area graphene/n-silicon Schottky barrier solar cells. Using chemically doped graphene, efficiencies of nearly 10% can be achieved for devices without antireflective coatings. However, many devices reported in past literature …
The conventional solar cell fabrication requires a very high thermal budget. SIS (semiconductor–insulator–semiconductor)/MIS (metal–insulator–semiconductor) Schottkey barrier solar cell technology cut down the thermal budget with much less energy dissipation to fabricate. Schottky barrier solar cells are a promising alternative to …
In particular, graphene/silicon Schottky junction solar cells have demonstrated a very interesting performance in this context. The paper, after a review of the graphene-based solar cells, reports on some numerical results on a graphene-on-silicon flexible solar cell having an efficiency > 10% and two important advantages, the …
Modeling and simulation of graphene-gated graphene-gaas schottky junction field-effect solar cell for its performance enhancement. IEEE Transactions on Electron Devices 62, 3760–3766 (2015).
We have investigated the performance of Schottky junction solar cells based on silicon and graphene with 1–6 layers. The open-circuit voltage of solar cells shows an increase when increasing the number of graphene layers. However, the power conversion efficiency and short-circuit current density increase monotonically when the …
Graphene/silicon (Gr/Si) Schottky junction solar cells have attracted extensive research interest due to their simple structure and potential low-cost. Surface texturing is an important part of high-efficiency solar cells. In this paper, the effects of TMAH concentration, IPA concentration and etching time on the structure and anti-reflection …
In recent years, there has been a growing interest in developing graphene/silicon Schottky junction solar cells and the power conversion efficiency has reached up to 15.8% with an incredible speed. In this review, we introduce the structure and mechanism of graphene/silicon solar cells briefly, and then summarize several key strategies to …
The photoresponsivity of the graphene-silicon schottky junction photodetector has been enhanced by coupling the CQDs [30]. However, to the best of our knowledge, no study about CQDs modification of Gr/Si …
We first report PSi Schottky-type heterojunction solar cells by employing graphene transparent conductive electrodes doped with silver nanowires (Ag NWs). The PSi is formed based on metal-assisted chemical etching process, and its porosity is controlled by varying the deposition time (t d ) of Ag nanoparticles used for the etching.
Abstract: Several emerging application domains such as Internet of Things (IoT) and wearable electronic microsystems demand flexible solar cells that exhibit …
High-performance photodetector based on an interface ...
In particular Schottky barrier solar cells (SBSC) obtained by depositing graphene sheets on n-Si wafer reach efficiencies up to 1.5% [10]. Application of graphene in this field is a very open question and requires …
Comparative studies of the 2D numerical modelling and simulation of graphene-based gallium arsenide and silicon Schottky junction solar cell are studied using TCAD tools. The performance of photovoltaic cells was examined while taking parameters, such as substrate thickness, relationship between transmittance and work function of …
We have demonstrated a simple and accurate method for characterizing the capacitance of Graphene/n-Si Schottky junction solar cells (GSSCs) which embed the metal-oxide-semiconductor (MOS) capacitor. We measured two types of GSSCs, one with thermal annealing treatments (w-a) and one without (wo-a). It was found that the wo-a …
DOI: 10.1002/adma.200904383 Corpus ID: 16478297 Graphene‐On‐Silicon Schottky Junction Solar Cells @article{Li2010GrapheneOnSiliconSJ, title={Graphene‐On‐Silicon Schottky Junction Solar Cells}, author={Xinming Li and Hongwei Zhu and Kunlin Wang and Anyuan Cao and Jinquan Wei and Chunyan Li and Yi …
Graphene-silicon Schottky junction (GSJ) which has the potential for large-scale manufacturing and integration can bring new opportunities to Schottky solar cells for photovoltaic (PV) power ...
Modeling and simulation of graphene-gated graphene-GaAs Schottky junction field-effect solar cell is performed using in-house developed algorithm based on finite-difference method, where Poisson and drift-diffusion equations are solved in an appropriate way. Our algorithm is verified by comparing the simulated J-V curve of solar …
We are presenting a solar cell consisting of electron-doped graphene (n-G)/holes-doped silicon (p-Si) Schottky junction, which provides a very high power conversion efficiency (PCE). The high PCE of our solar cell is caused by its high Schottky barrier height, which gives a very low value for the saturated reverse current (I0), and …
In this paper, a solar cell based on the vertical graphene nanowall (VGNW)/silicon Schottky junction is doped by polymeric acid (Nafion) and exhibits a high power-conversion efficiency after Ar plasma etching is found that, the Nafion doping scheme effectively ...
Chemical-vapor-deposited single- and bi-layer graphene sheets have been transferred onto n-type GaAs substrates. The rectifying characteristics and photovoltaic behaviors of graphene/GaAs junctions have been systematically investigated. The graphene sheets can be combined with the underlying n-type GaAs substrates to form …
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