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RISS 인기검색어
- 검색키워드
- 저자 : Poonam Singhal (검색결과 2 건)
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Career Selective Si Solar Cells: Modelling and Performance Metrics Evaluation
Rashmi Chawla,Poonam Singhal,Amit Kumar Garg 한국전기전자재료학회 2021 Transactions on Electrical and Electronic Material Vol.22 No.5
Silicon (Si) junctionless solar Photo Voltaic Cells (PVCs) with semiconducting carrier selective blocking layer can modify output efficiency of solar cell. In this research work, we have proposed use of both electron–hole selective layer in Si solar cell with SILVACO simulation. This paper simulates and evaluates two possible electron-selective oxides (TiO2 and ZnO) and two possible hole-selective oxides (CuAlO2 and NiO). The results in terms of solar performance metric is compared and further TiO2 and NiO as carrier selective layers are proposed. The simulation results suggest the fermi level pinning on the device as a reason for increase in output efficiency. This research work comprehends a considerable understanding to band-engineer selective contact semiconducting oxide Si junctionless solar cell device. The performance parameters with Jsc = 10.08 mA/cm 2 , Voc = 2.69 V, fi ll factor (FF) = 99.8% and conversion efficiency of 27.09% (1 sun) are obtained underAM1.5G illumination.
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Photovoltaic Review of all Generations: Environmental Impact and Its Market Potential
Rashmi Chawla,Poonam Singhal,Amit Kumar Garg 한국전기전자재료학회 2020 Transactions on Electrical and Electronic Material Vol.21 No.5
With the technology and innovation rising at its peak, the demand for energy has increased exponentially. To cater this, researchers are persistently exploring ways to fulfi l this defi cit between demand and supply. One of the feasible solutions is the use of energy from renewable resources such as Solar Energy due to its abundance availability and easy accessibility. Seeing it’s trans formative potential to address growing concerns about environment, pollution and sustainable energy integration,there is an intemperate research going on in developing highly effi cient Photovoltaic Cells (PVC). The PVC’s are eff ectuated to convert solar energy from the sunlight directly to electrical energy. Furthermore, the PVC has gone through various generations with the aim to optimise its cost/watt of delivered solar electricity and effi ciency of solar cell. This paper is an eff ort to compare all the generations which PVC has undergone and the recent advancements in this area. The results of this research study will be fruitful for researchers working in this direction.
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