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Yahyazadeh, Rajab, Hashempour, Zahra. (1399). The effect of hydrostatic pressure on the radiative recombination rate of InGaN/GaN multiple quantum well solar cells. جلوه هنر, 4(1), 311-322. doi: 10.22051/jitl.2021.35972.1053
Rajab Yahyazadeh; Zahra Hashempour. "The effect of hydrostatic pressure on the radiative recombination rate of InGaN/GaN multiple quantum well solar cells". جلوه هنر, 4, 1, 1399, 311-322. doi: 10.22051/jitl.2021.35972.1053
Yahyazadeh, Rajab, Hashempour, Zahra. (1399). 'The effect of hydrostatic pressure on the radiative recombination rate of InGaN/GaN multiple quantum well solar cells', جلوه هنر, 4(1), pp. 311-322. doi: 10.22051/jitl.2021.35972.1053
Yahyazadeh, Rajab, Hashempour, Zahra. The effect of hydrostatic pressure on the radiative recombination rate of InGaN/GaN multiple quantum well solar cells. جلوه هنر, 1399; 4(1): 311-322. doi: 10.22051/jitl.2021.35972.1053

The effect of hydrostatic pressure on the radiative recombination rate of InGaN/GaN multiple quantum well solar cells

Journal of Interfaces, Thin Films, and Low dimensional systems
دوره 4، شماره 1، بهمن 2020، صفحه 311-322    اصل مقاله (779.24 K)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.22051/jitl.2021.35972.1053
نویسندگان
Rajab Yahyazadeh* ؛ Zahra Hashempour
Department of Physics, Khoy Branch, Islamic Azad University, Khoy, Iran
چکیده
In this paper, a numerical model is used to analyze photovoltaic parameters according to the electronic properties of InGaN/GaN multiple-quantum-well solar cells (MQWSC) under hydrostatic pressure. Finite difference techniques have been used to acquire energy eigenvalues and corresponding eigenfunctions of InGaN/GaN MQWSC, where all eigenstates are calculated via a 6×6 k.p method under applied hydrostatic pressure. All symmetry-allowed transitions up to the fifth subband of the quantum wells (multi-subband model) with barrier optical absorption are considered. The linewidth due to the carrier-carrier and carrier-longitudinal optical (LO) phonon scattering are also considered. A change in pressure up to 10 GPa increases the intraband scattering time up to 38 fs for heavy holes and 40 fs for light holes. The raise in the height of the Lorentz function reduces the excitonic binding energy and decreases the radiative recombination rate up to 0.95×1025 cm-3S-1.  The multi-subband model has a positive effect on the radiative recombination rate.
کلیدواژه‌ها
recombination rate؛ solar cell؛ optical absorption؛ multi-quantum well
عنوان مقاله [English]
تأثیر فشار هیدرواستاتیک بر میزان بازترکیبی تابشی سلولهای خورشیدی InGaN/GaN باچاه کوانتومی چند گانه
نویسندگان [English]
رجب یحیی زاده؛ زهرا هاشم پور
گروه فیزیک، واحد خوی، دانشگاه آزاد اسلامی، خوی، ایران
چکیده [English]
در این مقاله ، از یک مدل عددی برای تجزیه و تحلیل پارامترهای فتو-ولتیک با توجه به خصوصیات الکترونیکی سلول های خورشیدی InGaN/GaN با چاه کوانتومی چندگانه (MQWSC) تحت فشار هیدرواستاتیک استفاده شده است. از تکنیک های دیفرانسیل محدود برای بدست آوردن مقادیر ویژه انرژی و توابع ویژه الکترونی و روش k.p برای حفره ها تحت فشار هیدرواستاتیک اعمال شده استفاده می شود. تمام گذارهای مجاز متقارن تا زیر باند پنجم چاههای کوانتوم (مدل چند زیر باند) و جذب نوری سد در نظر گرفته شده است. عرض خطی ناشی از پراکندگی های حاملها باهم و حامل ها با فونونهای طولی (LO) نیز در نظر گرفته شده است. تغییر فشار تا 10 گیگا پاسکال باعث افزایش زمان پراکندگی داخل باند تا 38 فمتو ثانیه برای حفره های سنگین و 40 فمتو ثانیه برای حفره های سبک می شود، ارتفاع تابع لورنتس را افزایش می دهد، انرژی گذار بین نواری را کاهش می دهد و سرعت بازترکیبی تابشی را کاهش می دهد. مدل چند زیر باند تأثیر مثبتی بر میزان بازترکیبی تابشی دارد.
کلیدواژه‌ها [English]
آهنگ بازترکیب, سلول خورشیدی, جذب نوری, چاه کوانتومی چند گانه
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