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1 Email: [email protected]
2
Fabrication and Manufacturing Process of Solar Cell: Part II
Prabhansu1* and Nayan Kumar2
1Mechanical Engineering Department, S.V. National Institute of Technology Surat, Gujarat, India
2Electrical Engineering Department, Muzaffarpur Institute of Technology, Muzaffarpur, Bihar, India
Abstract
The major application of solar cells for highly efficient and reliable thin-films (TF) silicon (Si) is in Si-heterojunction (HJ). In recent years, the module power demand has rapidly increased the solar engineer’s responsibility to develop and fabricate new generation solar cell technology. The p-type mono-Si-PERC is one of them to help meet demand. Efficiency is one of the major parameters of the solar cell; the n-type c-Si based TOPCon solar cell has enhanced the efficiency by 25.8%. For HJ-TF cells, the Cu2O, InGaN, CuInS2, and InP fabrics are presently being explored significantly globally. Also, Thin-film cells, namely CIGS, CdTe, and a-Si: H has received high attention in academia and industry.
Keywords: Solar cell, thin-film Si PV cell, advance semiconductor material, CAPEX, PSC, PERC (passivated emitter and rear cell)
2.1 Introduction
Silicon (Si)-based solar cells dominate the PV showcase (92%) trailed by cadmium-telluride (CdTe, 5%), copper indium gallium selenide (CuInGaSe2 or CIGS, 2%), and amorphous silicon (a-Si:H,~1%). Si wafer with a thickness of around 180 μm is the customary material being utilized for module assembling and it has achieved a critical degree of development at the business level. Its creation cost is a significant worry for vitality applications. About half of the expense of Si-solar cells creation as Si substrate and gadget preparing and module handling represents 20% and 30% individually [1]. Figure 2.1 shows a typical solar cell, whereas Figure 2.2 shows the efficiencies in the record of the deposition of CIGS on different available substrates. It can be observed that the Polyimide
