Hamady, Sidi Ould Saad and Yusof, Ahmad Sauffi and Bose, Sourav and Chevallier, Christyves and Fressengeas, Nicolas and Kieffer, Queny and Hassan, Zainuriah and Anas, Mohd Anas and Way, Foong Lim and Ng, Sha Shiong
(2020)
Development Of InGan Based Thin Film Solar Cells Present Status And Challenges.
In: 5th Meeting of Malaysia Nitrides Research Group (MNRG 2020), 1-2 December 2020.
Abstract
The Indium Gallium Nitride (InGaN) alloy has the required potentialities to be a material of choice used in the next generation high efficiency solar cells. Indeed, the
mere change in its Indium composition allows its absorption to cover the whole solar spectrum. The other main advantages of InGaN, in addition to its tunable bandgap, are a high absorption coefficient, a high stability and radiation tolerance. However, challenging issues remain to address: (i) the difficulty to elaborate sufficiently thick monocrystalline InGaN layers with a high Indium content; (ii) the high defects density and the spontaneous and piezoelectric polarizations; (iii) the p-doping which remains difficult to master. A review of this promising technology for solar cells is provided and present challenges and future perspectives are presented, including the use of InGaN multijunction structures and a new InGaN Schottky Based Solar Cells (SBSC) structure.
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