Yazar "Tomakin, Murat" için Enerji Sistemleri Mühendisliği Bölümü Koleksiyonu listeleme
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Cold substrate method to prepare plasmonic Ag nanoparticle: deposition, characterization, application in solar cell
Nevruzoğlu, Vagif; Bal Altuntaş, Derya; Tomakin, Murat (Springer Heidelberg, 2020)In this study, the surface plasmon effects of the Ag nanoparticle were investigated depending on the substrate temperature and coating time. Deposition procedure for the Ag coating was the vacuum deposition at low substrate ... -
Deposition and characterization of the Ag nanoparticles on absorbable surgical sutures at the cryogenic temperatures
Altuntaş, Mehmet; Beriş, Fatih Şaban; Nevruzoğlu, Vagif; Karan, Yasin; Kanat, Ayhan; Tomakin, Murat (Springer Heidelberg, 2023)Surgical sutures are one of the most widely used medical devices for wound closure. In the meantime, the suture surface and area may be exposed to many microorganisms, and surgical site infections may develop in these ... -
Effects of Na doping on CdS thin films and n-CdS/p-Si solar cells via chemical bath deposition method
Nevruzoğlu, Vagif; Tomakin, Murat; Keskenler, Eyüp Fahri; Öztürk, Göktürk (Korean Assoc Crystal Growth, Inc, 2017)Un-doped and Na doped CdS thin films were deposited by chemical bath deposition method. the effects of Na doping on structural, optical and electrical properties of CdS thin films and n-CdS/p-Si heterojunction were ... -
Fabrication and characterization of Au/n-ZnO/p-Si/Al sandwich device with Sol-gel spin coating method
Keskenler, Eyüp Fahri; Keskenler, Mustafa Furkan; Tomakin, Murat; Nevruzoğlu, Vagif (Springer, 2019)ZnO thin films with the n-type properties were obtained on the p-Si substrates for multi-layered sandwich device depositing by sol-gel method. Au and Al were conducted on two side of hetero-junction by PVD technique. From ... -
Fabrication of gold thin films on cooled glass substrates
Manir, Melih; Genç, Gamze; Nevruzoğlu, Vagif; Tomakin, Murat; Çetin, Arif E. (Springer, 2024)In this article, gold (Au) thin films were fabricated on glass substrates under vacuum conditions (4.5 x 10(-6) Torr) within a temperature range of 100-300 K, incrementing in steps of 50 K. Analyses through Field Emission ... -
Improving the stability of solar cells using metal-organic frameworks
Nevruzoğlu, Vagif; Demir, Selçuk; Karaca, Gökçehan; Tomakin, Murat; Bilgin, Nuray; Yılmaz, Fatih (Royal Soc Chemistry, 2016)Although Cu2S-containing chalcogenide solar cells are appealing and cost-effective for photovoltaics (PVs), these materials suffer from rapid performance degradation as a result of the diffusion of copper ions into the CdS ... -
Investigation of Cd1-xCoxS diluted magnetic semiconductor thin films fabricated by chemical bath deposition method
Tomakin, Murat; Öncel, Yılmaz; Keskenler, Eyüp Fahri; Nevruzoğlu, Vagif; Onuk, Zuhal; Görür, Osman (Elsevier Science Sa, 2014)Chemical bath deposition method was used for preparation of Cd1-xCoxS thin films. the effects of Co doping and thermal annealing on structural, optical, electrical and magnetic properties of CdS thin films were investigated. ... -
The investigation of stability of n-CdS/p-Cu2S solar cells prepared by cold substrate method
Manir, Melih; Nevruzoğlu, Vagif; Tomakin, Murat (IOP Publishing, 2021)In this study, two different n-CdS/p-Cu2S solar cells were prepared by evaporating Cu at different substrate temperatures (200 K and 300 K) by vacuum evaporation method on a single crystal CdS semiconductor. Field emission ... -
Semi-conductive carbon from industrial tea waste biomass for a p-n junction
Akgül, Gökçen; Tomakin, Murat; Erkaya, Hasan Hüseyin (Springer, 2024)Some semiconducting carbonaceous material was developed from industrial tea waste biomass by catalytic pyrolysis and heteroatom doping; then, a p-n junction was realized on an n-type Si substrate. I-V characteristics of ... -
Use of the cold substrate method for biomaterials: the dtructural and biological properties of the Ag layers deposited on Ti-6Al-4V
Duymuş, Zeynep Yeşil; Nevruzoğlu, Vagif; Ateş, Sabit Melih; Yüzüak, Ercüment; Tomakin, Murat (Springer, 2020)Silver nanofilms were vacuum-deposited on Ti-6Al-4V substrates at low (< 300 K) temperatures to improve their biocompatibility. After the surface of the Ti-6Al-4V samples was coated with Ag over the temperature range from ...