Graphene and other two-dimensional materials in advance solar cells
It has a low coefficient of light absorption and can be used as the active layer, electron acceptor and interfacial layers in photovoltaic cells (Arnberg et al. 2012). Fig. 3
Recent Advances in Graphene-Enabled Materials for
The photovoltaic cells based on 2D heterostructures have superior absorption coefficients, elevated radiative efficiency, and well-defined interfaces, resulting in the highest power-to-weight ratio of the active material.
Perspectives on nonlinear optics of graphene:
The linear absorption of intrinsic, i.e., undoped, graphene for perpendicularly incident light equals 2.3%, a remarkably large value for a material just one atom thick. In addition, its third-order nonlinear-optical response—the
Synergistic effect of graphene enhances the responsivity of hybrid
Organolead triiodide perovskite is an ideal material because of its large light absorption coefficient, 4 long carrier lifetime, 5 and low cost. 6, 7 Up to now, the hybrid perovskite has
Broadband and efficient graphene solar absorber using
The proposed broadband graphene-based solar absorber is analyzed in terms of absorption characteristic with 82.7% absorption in the infrared region (280–380 THz), 86.5% absorption in
Study of the absorption coefficient of graphene-polymer composites
The exact value of the coefficient of graphene/polymer composite may vary due to the flake thickness and size distribution, as Su et al. report in their study on RGO (reduced
A comprehensive evaluation of solar cell technologies, associated
Solar energy is a reliable and abundant resource, and solar cells are an efficient and useful way to capture it. The sun delivers 1367 W/m 2 of solar energy into the atmosphere
Two-Dimensional Materials for Advanced Solar Cells
Inorganic crystalline silicon solar cells account for more than 90% of the market despite a recent surge in research efforts to develop new architectures and materials such as organics and perovskites. The reason
Graphene–semiconductor heterojunction sheds light
In these 2D/3D heterojunction-based emerging photovoltaic cells, a light energy to electricity conversion efficiency of 15–17% can be achieved with improved nanoarchitectures and combined
Graphene as a Material for Solar Cells Applications
The results showed that the doped graphene samples absorb most light in the visible range between 476 and 568 nm in the presence of BPB, and the band gap values obtained using Tauc''s formalism
Highly Efficient Light Absorption of Monolayer Graphene by
Graphene is an ideal ultrathin material for various optoelectronic devices, but poor light–graphene interaction limits its further applications particularly in the visible (Vis) to
Light absorption in perovskite solar cell: Fundamentals and
The conversion of light into electricity is known as the photovoltaic effect, and the first solid state organo-metal halide perovskite solar cell that utilised this effect were invented