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Emine Hande Çiftpınar
E-mail
chande@metu.edu.tr
Department
Center for Solar Energy Research and Applications (GÜNAM)
ORCID
0000-0001-7178-5405
Scopus Author ID
56538741400
Web of Science Researcher ID
ABC-6170-2021
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Theses Advised
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Optical light management by self-arrangement of inverted tetragonal pyramids on the silicon surface through copper-assisted etching technique in a single step
Donercark, Ergi; Çolakoğlu, Tahir; Terlemezoğlu, Makbule; Abak, Musa Kurtulus; Çiftpınar, Emine Hande; Bek, Alpan; Turan, Razit (2022-09-01)
Developing efficient light trapping techniques plays a crucial role in improving silicon (Si) solar cell parameters by decreasing optical losses. Herein, four various surface morphologies by copper-assisted chemical etchin...
Effect of Implanted Phosphorus Profile on iVoc Variations During Firing Process of n-type Silicon
Bektaş, Gence; Çiftpınar, Emine Hande; Bütüner, Sümeyye Koçak; Keçeci, Ahmet Emin; Canar, Hasan Hüseyin; Kökbudak, Gamze; Asav, Hasan; Turan, Raşit (2022-08-24)
Electrical activation of implanted phosphorus can be carried out simultaneously with boron dopants at high temperatures or separately at lower temperatures. In this study, we investigate the effect of high and low-temperat...
Simplified process flow for the fabrication of PERC solar cells with ion implanted emitter
Bektas, Gence; Kokbudak, Gamze; Kececi, Ahmet Emin; Butuner, Sumeyye Kocak; Asav, Hasan; Çiftpınar, Emine Hande; Canar, Hasan Huseyin; Arikan, Bulent; Turan, Rasit (2021-12-01)
Ion implanted PERC cells have already achieved power conversion efficiencies of about 20.0%. The process flows reported in the literature for the ion implanted PERC cells with commonly utilized Al2O3/SiNx rear passivation ...
Fourteen percent efficiency ultrathin silicon solar cells with improved infrared light management enabled by hole-selective transition metal oxide full-area rear passivating contacts
Nasser, Hisham; Borra, Mona Zolfaghari; Çiftpınar, Emine Hande; Eldeeb, Basil; Turan, Raşit (2021-11-01)
The present study investigates the application of hole-selective transition metal oxide (TMO) layers (MoOx, V2Ox, and WOx) with silver (Ag) as full-area rear contact to 22.5 mu m-thick low-quality Cz p-type c-Si solar cell...
Laser Induced Periodic Surface Structured c-Si Solar Cell with more than 16% efficiency
Goodarzi, Arian; Candemir, Ozun; Nasser, Hisham; Borra, Mona Zolfaghari; Genc, Ezgi; Çiftpınar, Emine Hande; Bek, Alpan; Turan, Raşit; Pavlov, Ihor (2021-06-01)
Crystalline-Si (c-Si) based solar cells (SC) efficiency remains one of the most challenging part in photovoltaic industry. Besides of the thermodynamical limits, the optical losses due to indirect band-gap structure of the...
Laser induced periodic surface structured c-Si solar cell with more than 16% efficiency
Goodarzi, Arian; Candemir, Ozun; Nasser, Hisham; Borra, Mona Zolfaghari; Genc, Ezgi; Çiftpınar, Emine Hande; Bek, Alpan; Turan, Raşit; Pavlov, Ihor (2021-01-01)
A Study on Tetragonal-star Like Shaped Inverted Pyramid Texturing
Donercark, Ergi; Çiftpınar, Emine Hande; Terlemezoğlu, Makbule; Colakoglu, Tahir; Turan, Raşit (2021-01-01)
Surface texturing is one of the key process steps in solar cell fabrication. For an ideal surface texturing, surface recombination should be kept as low as possible while the light trapping property is improved. The format...
Laser induced periodic surface structured c-Si solar cell with more than 16% efficiency
Goodarzi, Arian; Candemir, Ozun; Nasser, Hisham; Borra, Mona Zolfaghari; Genc, Ezgi; Çiftpınar, Emine Hande; Bek, Alpan; Turan, Raşit; Pavlov, Ihor (2021-01-01)
Angular Dependence of Solar Cell Parameters in Crystalline Silicon Solar Cells Textured with Periodic Array of Microholes
Altinoluk, Serra; Kumar, Naveen; Çiftpınar, Emine Hande; Demircioglu, O.; Turan, Raşit; Vasileska, Dragica (2020-09-01)
Surface texturing is an indispensable way of increasing absorption in solar cells. In order to properly characterize the effect of texturing, the angular dependence of the incidence light should be addressed. This is parti...
Enhanced Passivation Properties of a-Si:H and Reactive ITO Sputtering for SHJ Solar Cells
Donercark, Ergi; Guler, Secil; Çiftpınar, Emine Hande; Kabacelik, Ismail; Turan, Raşit (2020-01-01)
Enhancement of the conversion efficiency of silicon solar cells is crucial for the improvement of renewable electricity resources. The device properties such as minority carrier lifetime, series resistance, contact resista...
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