Elektrik - Elektronik Mühendisliği Bölümü Koleksiyonu by Institution Author "Mutlugun, Evren"
Now showing items 1-16 of 16
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Arrays of multi-color emitting cesium lead halide perovskite nanocrystals and efficient white light generation by tailored anion exchange reactions and electrohydrodynamic jet printing
Altintas, Yemliha; Torun, Ilker; Yazici, Ahmet Faruk; Beskazak, Emre; Onses, M. Serdar; Mutlugun, Evren (Optica Publishing Group (formerly OSA), 2018)We employ highly efficient and narrow band emitter Cesium-lead-halide perovskite nanocrystals, optimized by the anion exchange method, for efficient white light generation by patterning multiple lines of different colors ... -
CdSe/ZnS quantum dot films for high performance flexible lighting and display applications
Altintas, Yemliha; Genc, Sinan; Talpur, Mohammad Younis; Mutlugun, Evren (IOP PUBLISHING LTDTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2016)Colloidal quantum dots have attracted significant interest in recent years for lighting and display applications and have recently appeared in high-end market products. The integration of quantum dots with light emitting ... -
Color Simulation and Demonstration of Perovskite Nanocrystal Filters for Wide Color Gamut Displays
Genc, Sinan; Yazici, Ahmet Faruk; Beskazak, Emre; Uran, Can; Mutlugun, Evren (Institute of Electrical and Electronics Engineers Inc., 2018)In this study, we define spectral parameters of perovskite nanocrystals to improve LCD color gamut, replacing color filters (CFs) with perovskite based subpixels. The optimization of the CFs has been enhanced 15.8% (98.43% ... -
Hibrit Kuantum Noktacık-Nanofiber Esnek Elektrolüminesant Aygıtlar
Mutlugün, Evren; Usta, Hakan; Önses, Serdar (TUBİTAK, 2019)Yarı iletken kuantum noktacıklar üstün renk dönüşüm özellikleri, yüksek soğurma katsayıları ve kararlılıkları sebebiyle son yıllarda aydınlatma ve ekran teknolojileri için oldukça önemli malzemeler durumundadır. Genel ... -
Highly Efficient Cd-Free Alloyed Core/Shell Quantum Dots with Optimized Precursor Concentrations
Altintas, Yemliha; Talpur, Mohammad Younis; Unlu, Miray; Mutlugun, Evren (AMER CHEMICAL SOC1155 16TH ST, NW, WASHINGTON, DC 20036, 2016)The chemical composition, the emission spectral bandwidth, and photoluminescence quantum yield of a semiconductor quantum dot (QD) play an important role in the assessment of the performance of the applications related to ... -
Highly flexible, electrically driven, top-emitting, quantum dot light-emitting stickers
Yang, Xuyong; Mutlugun, Evren; Dang, Cuong; Dev, Kapil; Gao, Yuan; Tan, Swee Tiam; Sun, Xiao Wei; Demir, Hilmi Volkan (American Chemical Society, 2014)Flexible information displays are key elements in future optoelectronic devices. Quantum dot light-emitting diodes (QLEDs) with advantages in color quality, stability, and cost-effectiveness are emerging as a candidate for ... -
Highly luminescent ZnCdTeS nanocrystals with wide spectral tunability for efficient color-conversion white-light-emitting-diodes
Soheyli, Ehsan; Zargoush, Sirous; Yazici, Ahmet Faruk; Sahraei, Reza; Mutlugun, Evren (IOP PUBLISHING LTDTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2021)CdTe-based semiconductor nanocrystals (NCs) with size and composition-dependent efficient bandgap properties are historically mature nanomaterials for colloidal optoelectronic applications. In this work, we present the ... -
Magnetically controlled anisotropic light emission of DNA-functionalized supraparticles
Erdem, Talha; Zupkauskas, Mykolas; O’Neill, Thomas; Cassiagli, Alessio; Xu, Peicheng; Altintas, Yemliha; Mutlugun, Evren; Eiser, Erika (SPRINGER, 2022)In this article, we show the DNA-functionalization of supraparticles, form their network, and manipulate the optical features of these networks by applying a magnetic field. We start with preparing the supraparticles (SPs) ... -
Natural Wax-Stabilized Perovskite Nanocrystals as Pen-on-Paper Inks and Doughs
Ocal, Sema Karabel; Kiremitler, N. Burak; Yazici, Ahmet Faruk; Celik, Nusret; Mutlugun, Evren; Onses, M. Serdar (AMER CHEMICAL SOC, 2022)Perovskite nanocrystals (PNCs) are emerging luminescent materials for a wide range of technological applications. The broad adaptation of PNCs will be greatly improved by addressing their intrinsically low stability and ... -
Photoluminescent and superhydrophobic nanocomposites of perovskite nanocrystals
Karabel Ocal, Sema; Çelik, Nusret; Onses, M. Serdar; Mutlugun, Evren (ELSEVIER, 2024)Perovskite nanocrystals (PNCs) have found extensive utility across diverse technological applications in optoelectronics; nevertheless, their susceptibility to environmental instability poses a significant constraint on ... -
Rational design of chemical bath deposition technique for successful preparation of Mn-doped CdS nanostructured thin films with controlled optical properties
Kharabaneh, Farzaneh Khani; Ghavidel, Elham; Soheyli, Ehsan; Yazici, Ahmet Faruk; Jawhar, Nawzad Nadhim; Mutlugun, Evren; Sahraei, Reza (ELSEVIER SCI LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2021)The introduction of a rational design for depositing internally-doped nanostructured thin films is of great importance for optoelectronics. In this presented work, Mn-doped CdS thin films with high purity in composition ... -
Spectrally Tunable White Light-Emitting Diodes Based on Carbon Quantum Dot-Doped Poly(N-vinylcarbazole) Composites
Sahin Tiras, Kevser; Biçer, Aysenur; Soheyli, Ehsan; Mutlugun, Evren (AMER CHEMICAL SOC, 2024)Electroluminescent white light-emitting diodes (WLEDs) are always of great interest for emerging display applications. Carbon-based quantum dots (CQDs) are the newest emerging nanoscale materials that can be employed for ... -
Tailoring Quantum Dot Shell Thickness and Polyethylenimine Interlayers for Optimization of Inverted Quantum Dot Light-Emitting Diodes
Yazici, Ahmet F.; Ocal, Sema Karabel; Bicer, Aysenur; Serin, Ramis B.; Kacar, Rifat; Ucar, Esin; Ulku, Alper; Erdem, Talha; Mutlugun, Evren (MDPI, 2024)Quantum dot light-emitting diodes (QLEDs) hold great promise for next-generation display applications owing to their exceptional optical properties and versatile tunability. In this study, we investigate the effects of ... -
Tattoo-Like Multi-Color Physically Unclonable Functions
Kiremitler, N. Burak; Esidir, Abidin; Drake, Gryphon A.; Yazici, Ahmet Faruk; Sahin, Furkan; Torun, Ilker; Kalay, Mustafa; Kelestemur, Yusuf; Demir, Hilmi Volkan; Shim, Moonsub; Mutlugun, Evren; Onses, M. Serdar (WILEY, 2023)Advanced anti-counterfeiting and authentication approaches are in urgent need of the rapidly digitizing society. Physically unclonable functions (PUFs) attract significant attention as a new-generation security primitive. ... -
Toward sustainable optoelectronics: solution-processed quantum dot photodetector fabrication using a surgical blade
Savas, Muzeyyen; Yazici, Ahmet Faruk; Arslan, Aysenur; Mutlugun, Evren; Erdem, Talha (SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 2023)Fabrication of optoelectronic devices relies on expensive, energy-consuming conventional tools including chemical vapor deposition, lithography, and metal evaporation. Furthermore, the films used in these devices are usually ... -
Tuning the Shades of Red Emission in InP/ZnSe/ZnS Nanocrystals with Narrow Full Width for Fabrication of Light-Emitting Diodes
Soheyli, Ehsan; Bicer, Aysenur; Ozel, Sultan Suleyman; Tiras, Kevser Sahin; Mutlugun, Evren (AMER CHEMICAL SOC, 2023)While Cd-based luminescent nanocrystals (NCs) are the most mature NCs for fabricating efficient red light-emitting diodes (LEDs), their toxicity related limitation is inevitable, making it necessary to find a promising ...
