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The performance of Cu2ZnSnS4(CZTS) solar cell was investigated using a simulator called Solar Cell Capacitance Simulator(SCAPS). An n doped Zinc Oxide(n-ZnO)/Indium Sulfide(In2S3)/CZTS structure was used in the simulation. These materials are cheap and non-toxic which is an important factor keeping the idea of mass production in mind. The performance was recorded for different thicknesses of CZTS...
In this paper, single CZTSe layer and stacked layer of CZTS and CZTSe have been optimized as absorber layers in thin film solar cell and the variation of cell performance was observed. CZTSe layer was optimized by varying thickness, carrier density and defect density and obtained Jsc of 27.87 mAcm-2, Voc of 0.702V, fill factor of 65.41% and efficiency of 12.79%. By varying the thickness and carrier...
In this paper, numerical analysis was done to evaluate the performance of newly modified structure of CdS/CdTe based thin film solar cell. In this proposed cell conventional absorber CdTe layer, back contact Ni was used along with a 500nm thick Cu2Te BSF layer. The viability of ultra-thin CdTe absorber layer was examined together with newly added CdS:O layer instead of conventional CdS layer. It was...
In this paper, the performance of Cu2ZnSnS4 (CZTS) thin film solar cell has been analysed numerically using SCAPS-1D. Firstly, the thickness, carrier density and defect density of CZTS absorber layer and then the thickness and carrier density of CdS buffer layer was varied to observe their effect on the cell performance. From the simulated results, the optimal thickness of 3000 nm, carrier density...
This paper has numerically evaluated the performance of a proposed modified structure of thin film solar cell based on CdS/CdTe. In this proposed cell, conventional CdTe layer has been used as absorber, but a new back contact Ni has been used along with newly introduced 100 nm thick ZnO layer to increase the performance of the conventional solar cell. The feasibility of ultra-thin CdTe absorber layer...
Multiwall Carbon Nanotube (MWCNT) films were deposited on Silicon (Si) substrate. The effect of 0.1% and 0.2% solutions of MWCNT incorporation with methanol were investigated. pH of various solutions before and after deposition has been analyzed. pH of the solutions was increased after deposition. Change in the variation of current density as a function of applied potential was observed. Current density...
Carbon nanotube (CNT) shows near-ballistic transport and therefore has become a topic of extensive research. Cylindrical CNT field effect transistor (CNTFET) shows better performance than double gate CNTFETs which is simulated here self-consistently using tight-binding approximation exploiting the coaxial symmetry taking intrinsic (10, 0) zigzag nanotube as channel material, doped and gate-overlapped...
Touch screen technology, as an user friendly interface for electronics device is going through a revolutionary improvement. Higher implementation cost makes this technology unsuitable for big display screen like multimedia display. The proposed technology in this paper provides touch screen facility to big multimedia display which is highly cost effective and easy to implement. An efficient colour...
Bangladesh, not being bestowed with fossil fuels is compelled to rely on renewable energy sources. Despite having potentiality as sustainable energy sources, due to the lack of proper planning, biogas and biomass contribution to master plan by Bangladesh government of having 5% of total generation from renewable energy sources will be insufficient. Even IDCOL, the leading contributor in this field...
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