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Development of InGaN based solar cells: present status and challenges

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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https://hal.univ-lorraine.fr/hal-03248338
Contributor : Sidi Ould Saad Hamady <>
Submitted on : Thursday, June 3, 2021 - 3:13:47 PM
Last modification on : Friday, June 4, 2021 - 3:34:27 AM

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  • HAL Id : hal-03248338, version 1

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Sidi Ould Saad Hamady, Sauffi Bin Yusof, Sourav Bose, Christyves Chevallier, Nicolas Fressengeas, et al.. Development of InGaN based solar cells: present status and challenges. 5th Meeting of Malaysia Nitrides Research Group (MNRG 2020), Dec 2020, Penang, Malaysia. ⟨hal-03248338⟩

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