چکیده مقاله
Micromorph tandem solar cells consisting of a microcrystalline silicon bottom cell and an amorphous silicon top cell are considered as one of the most promising new thin film silicon solar cell concepts Their promise lies in the hope of simultaneously achieving high conversion efficiencies at relatively low manufacturing costs The concept was introduced by IMT Neuchâtel, based on the VHF GD very high frequency glow discharge deposition method The key element of the micromorph cell is the hydrogenated microcrystalline silicon bottom cell that opens new perspectives for low temperature thin film crystalline silicon technology This paper describes the use, within p–i–n and n–i–p type solar cells, of hydrogenated amorphous silicon a Si:H and hydrogenated microcrystalline silicon _c Si:H thin films layers , both deposited at low temperatures 200_C by plasma assisted chemical vapour deposition PECVD , from a mixture of silane and hydrogen Optical and electrical properties of the i layers are described Finally, present performances and future perspectives for a high efficiency ‘micromorph’ mc Si:Hya Si:H tandem solar cells are discussed
کلیدواژهها
نویسندگان
Razagh Hafezi
and Young Researcher Elite Club, Bandar Abbas branch, Islamic Azad University, Bandar Abbas, Iran
Sharie Jamalzae
Electrical Department, Islamic Azad university of Shiraz, Shiraz, Iran,
Soroush Karimi
Electrical Department, Islamic Azad university of Shiraz, Shiraz, Iran,
شیوه ارجاع
Hafezi, Razagh and Jamalzae, Sharie and Karimi, Soroush,1394,Material and solar cell research in high efficiency micromorph tandem solar cell,International Conference on New Research Findings in Electrical Engineering and Computer Science,Tehran
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