Abstract
A detailed theoretical investigation of one dimensional SiO2/TiO2 photonic crystal based ZnO-Pt dye sensitized solar cell with N719 dye is carried out. The optical properties of the theoretically designed dye sensitized solar cell such as transmittance, absorptance and reflectance are calculated using transfer matrix method in order to calculate numerically the key parameters like open circuit voltage (VOC), short circuit current (Jsc) and efficiency of the DSSC. The efficiency of the porous one-dimensional 1D SiO2/TiO2 photonic crystal coupled ZnO-Pt dye sensitized solar cell is studied for various periods of photonic crystal layers. It is found that the desired integrated system enables to maximize the absorption in the selective spectrum region (400-900 nm) and hence the maximum efficiency achieved is 4.5% for a ZnO-Pt dye sensitized solar cell having a 1D SiO2/TiO2 photonic crystal.
Highlights
Dye-sensitized solar cells (DSSCs) have emerging as a technical and economical sustainable substitute to the p-n junction photovoltaic devices
Because of the increase of optical absorption by multiple reflection / scattering in the interface of photonic crystal (PhC) structure, it can localize the maximum number of photons on the electrode the short-circuit current is increased in the DSSC
It is found that the desired integrated system may enable to maximize the absorption in the selective spectrum region
Summary
Dye-sensitized solar cells (DSSCs) have emerging as a technical and economical sustainable substitute to the p-n junction photovoltaic devices. One approach to strongly strengthen the LHE is using optical elements, such as highly scattering layers This consist of Photonic Crystal (PhC) absorption layer with ZnO photo anode on DSSC that increases the photon path length in the cell [10,11,12]. Nanostructured materials, such as PhCs, large particle aggregation scattering layers, and plasmonic nanometals have opened to increase LHE in the third-generation solar cells [13-. Compared with corresponding numerical calculation carry out through1D Sio2/Tio PhC coupled ZnO-Pt DSSC beside the platinum counter electrode. The efficiencies of the theoretical designed DSSC with and without PhC may be calculated using the equation η=
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