a) Schematics structure of the graphene/GaAs heterostructure solar cell. b) Raman characterization of graphene onto the SiO 2 /Si substrate after wet transferring. c) EQE of solar cell with the scanning wavelength from 320 nm to 1100 nm.
Here, we reviewed the recent progress on photovoltaic solar cells of these 2D materials and their heterostructures with different device configurations. The p-n junction solar cells of vertical and lateral configuration devices are discussed in detail based on their stacking using mechanical transfer method or fabricated using CVD technique
Here, we reviewed the recent progress on photovoltaic solar cells of these 2D materials and their heterostructures with different device configurations. The p-n junction solar
Simulation and analysis of solar cells based on the heterojunction of zinc oxide doped with aluminum (AZO) and cadmium telluride (CdTe) with the structure (Al/AZO/CdTe/NiO/Ni) using the Simulator of the capacitance of solar cells - 1 dimension (SCAPS-1D) has been presented in this paper. AZO is used as a window layer and Nickel oxide (NiO) has been introduced as a hole
Two-dimensional (2D) materials van der Waals heterostructures (vdWHs) provides a revolutionary route towards high-performance solar energy conversion devices beyond the conventional silicon-based...
Download scientific diagram | Schematic representation of the CdS/CdTe solar cell heterostructure. The layers succession and thicknesses are the ones used in the present work. from publication
In this paper, we investigate the flexoelectric effect and electronegativity difference on the photoelectric properties of 1D Janus-MoSSe/WSe2 vdW heterostructures and assess their potential for
The schematic (a) block diagram (b) corresponding band diagram of the C2N-based solar cell. T.I. Taseen et al. +HOLRQ "" H ˝ˆ y is the generation rate, and ND+ and NA-are the ionized donors and acceptors densities, Ɛ0 and Ɛr are the permittivity of free space and the relative permittivity, and ρ is the density of defects. The current densities for electrons and
By constructing gradient arrangement energy levels using a low-/three-dimension heterojunction strategy, Huo et al. report an improved power conversion efficiency up to 14.15% with a fill factor of 79.03% of a hole-transport-layer-free carbon-based all-inorganic CsPbI2Br perovskite solar cell.
In this paper, we investigate the flexoelectric effect and electronegativity difference on the photoelectric properties of 1D Janus-MoSSe/WSe2 vdW heterostructures and assess their potential for
a) Schematics structure of the graphene/GaAs heterostructure solar cell. b) Raman characterization of graphene onto the SiO 2 /Si substrate after wet transferring. c) EQE of solar cell with the scanning wavelength from 320 nm to
In the present paper, the theoretical investigation of the device structure ITO/CeO2/SnS/Spiro-OMeTAD/Mo of SnS-based solar cell has been performed. The aim of this work is to examine how the...
The general design of the C2N-based solar cell has been modeled by considering the earlier reported structure [16] and modified by including Al and Pt as front and back contact, respectively. The modified structure (Al/TCO/IGZO/C 2
In the present paper, the theoretical investigation of the device structure ITO/CeO2/SnS/Spiro-OMeTAD/Mo of SnS-based solar cell has been performed. The aim of this work is to examine how the...
This article demonstrates the novel designs of Si and GaAs wafer-based double-heterojunction (DH) solar cells using SCAPS-1D simulator. Simple five-layer solar cells are proposed here: cells comprised of a cathode metal layer, three layers of semiconductor materials in the III–V, II–VI and group IV families--and a layer of anode metal.
Figure 1 shows the 4-configuration of 2D heterostructure p-n junction solar cells. a Schematic diagram of MoS 2 /WSe 2 van der Waals heterostructures device with lateral metal contacts. Optical image of the fabricated device is shown in bottom right. b I ds –V ds curves of the device at different gate voltages across the junction. c Photoresponse behavior
shows a schematic band diagram of an illuminated ideal solar cell structure with an absorber and semi-permeable membranes. The terminals, i.e. the electrodes, of the solar cell are attached to the membranes. We refer to the structure between the terminals as a junction, and this solar cell structure is denoted as a single junction solar cell
This article demonstrates the novel designs of Si and GaAs wafer-based double-heterojunction (DH) solar cells using SCAPS-1D simulator. Simple five-layer solar cells are
shows a schematic band diagram of an illuminated ideal solar cell structure with an absorber and semi-permeable membranes. The terminals, i.e. the electrodes, of the solar cell are attached
The general design of the C2N-based solar cell has been modeled by considering the earlier reported structure [16] and modified by including Al and Pt as front and
In this study, a new solar cell structure was presented with the drainage of AlGaAs in the depth of GaAs. We investigated the effect of the AlGaAs drainage region on the Graphene/AlGaAs/GaAs heterostructure solar cells performance and analyzed the variations in the energy band diagram and the electric field distribution. Then, the effect of
Download scientific diagram | (a) Schematic layout of the proposed heterostructure solar cell and (b) the energy band diagram of the proposed heterostructure solar cell. from publication: Design
The performance of single-junction mixed-halide perovskite-based solar cells is limited by thermalization and spectral losses. With advanced device architectures, the perovskite/perovskite heterostructure, where two or more photoactive layers are stacked together, can help to minimize these losses. In this work, we conformally transfer printed a narrow-band
These structures are called van der Waals heterostructures (vdWHs). The vdWHs have been used in several electronic and optoelectronic applications, including photovoltaic devices and solar cells. Application of 2D semiconductor materials in vdWHs allows bandgap tunning and longer exciton lifetimes.
Download scientific diagram | Schematic diagram of perovskite solar cell and its energy band level. from publication: Effect of Deep-Level Defect Density of the Absorber Layer and n/i Interface in
Here, we present a device model that is able to fully reproduce the current–voltage characteristics of type-II van der Waals heterojunctions under optical illumination, including some peculiar...
(a) Bulk MoS2/Si, (b) Monolayer MoS2/Si, (c) Schematic of band diagram. from publication: Thickness-dependent photoelectric properties of MoS2/Si heterostructure solar cells | In order to obtain
Here, we present a device model that is able to fully reproduce the current–voltage characteristics of type-II van der Waals heterojunctions under optical
These structures are called van der Waals heterostructures (vdWHs). The vdWHs have been used in several electronic and optoelectronic applications, including
The formed heterostructure is a type-II one. The electron-hole pairs can be separated due to the internal electric field. The spontaneous charge separation of the formed heterostructure is suitable for solar cell applications .
Some of the solar cells have a Schottky junction structure. In a Schottky junction, instead of the n- or p-type region of a p-n junction, an almost transparent metal/semi-metal thin film is replaced. The contact of n-type semiconductor and metal leads to the flow of electrons from the semiconductor to the metal.
Van der Waals heterostructure solar cells have enhanced light absorption. The bandgap can be tuned in the van der Waals heterostructure solar cells. Van der Waals heterostructure solar cells use a few amounts of the materials. Van der Waals heterostructure solar cells could approach to high conversion efficiencies.
Depending on the device geometry, the 2D heterostructure photovoltaic devices can be classified into two categories: (1) lateral configuration where the built-in electric field is in the in-plane direction of 2D material, another is (2) vertical configuration where the electric field is in the perpendicular direction of the plane of 2D materials.
The heterostructure of 2D devices which consists of more than one layer could enhance the efficiency of solar cell compared to the devices consist of single 2D layer due to the increased absorption.
In case of lateral p-n junction device, bP can degrade quickly due to the exposure to the oxygen atmosphere which destroys the device completely within few hours [ 65 ]. Thus, this work demonstrated the potential application of vertical p-n junction heterostructure for photovoltaic solar cell applications.
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