Browsing by Author "Erdem, Talha"
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Active control of the nanoparticle self-assembly for photonic applications
Erdem, Talha (META Conference, 2023)Colloidal nanoparticles enable collective utilization of the inherent properties of the nanoparticles. Furthermore, their collective optical response can be fine-tuned employing DNA-driven self-assembly. Here, we present ... -
Color Enrichment Solids of Spectrally Pure Colloidal Quantum Wells for Wide Color Span in Displays
Erdem, Talha; Soran-Erdem, Zeliha; Isik, Furkan; Shabani, Farzan; Yazici, Ahmet Faruk; Mutlugun, Evren; Gaponik, Nikolai; Demir, Hilmi Volkan (WILEY-V C H VERLAG GMBH, 2022)Colloidal quantum wells (CQWs) are excellent candidates for lighting and display applications owing to their narrow emission linewidths (<30 nm). However, realizing their efficient and stable light-emitting solids remains ... -
Effects of silver nanowires and their surface modification on electromagnetic interference, transport and mechanical properties of an aerospace grade epoxy
Özkutlu Demirel, Merve; Öztürkmen, Mahide B; Savaş, Müzeyyen; Mutlugün, Evren; Erdem, Talha; Öz, Yahya (SAGE Publications Ltd, 2024)The aerospace industry has progressively grown its use of composites. Electrically conductive nanocomposites are among important modern materials for this sector. We report on a bulk composite containing silver nanowires ... -
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) ... -
Multiplexed patterning of cesium lead halide perovskite nanocrystals by additive jet printing for efficient white light generation
Altintas, Yemliha; Torun, Ilker; Yazici, Ahmet Faruk; Beskazak, Emre; Erdem, Talha; Onses, M. Serdar; Mutlugun, Evren (ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2020)Inorganic perovskite nanocrystals (PNCs) offer the ability to precisely but also flexibly control the peak emission wavelength while also possessing narrow-band emission spectra and high quantum yields. Owing to these ... -
Numerical analysis and experimental verification of optical scattering from microplastics
Genc, Sinan; Icoz, Kutay; Erdem, Talha (ROYAL SOC, 2023)Accurate and fast characterization of the micron-sized plastic particles in aqueous media requires an in-depth understanding of light interaction with these particles. Due to the complexity of Mie scattering theory, the ... -
Optical detection of microplastics in water
Iri, Ahmet H.; Shahrah, Malek H. A.; Ali, Ali M.; Qadri, Sayed A.; Erdem, Talha; Ozdur, Ibrahim T.; Icoz, Kutay (SPRINGER HEIDELBERGTIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY, 2021)Unfortunately, the plastic pollution increases at an exponential rate and drastically endangers the marine ecosystem. According to World Health Organization (WHO), microplastics in drinking water have become a concern and ... -
Osmotic-Pressure-Induced Nematic Ordering in Suspensions of Laponite and Carboxy Methyl Cellulose
Xu, Peicheng; Yazici, Ahmet F.; Erdem, Talha; Lekkerkerker, Henk N. W.; Mutlugun, Evren; Eiser, Erika (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2020)Laponite is a synthetic clay that is known to form gels in aqueous suspensions at low concentrations (0.01 g/cm(3)) Although it is expected to form lyotropic liquid crystals, such phases usually do not form, as a consequence ... -
A simple approach to prepare self-assembled, nacre-inspired clay/polymer nanocomposites
Xu, Peicheng; Eiser, Erika; Erdem, Talha (ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND, 2020)Inspired by the relationship between the well-ordered architecture of aragonite crystals and biopolymers found in natural nacre, we present a facile strategy to construct large-scale organic/inorganic nacre-mimetics with ... -
Simple, sustainable fabrication of fully solution-processed, transparent, metal-semiconductormetal photodetectors using a surgical blade as an alternative to conventional tools
Savas, Muzeyyen; Yazici, Ahmet Faruk; Arslan, Ayenur; Mutlugün, Evren; Erdem, Talha (SPIE, 2022)Fabrication of optoelectronic devices relies on the expensive, energy-consuming conventional tools such as chemical vapor deposition, lithography, and metal evaporation. Furthermore, the films used in these devices are ... -
Size, material type, and concentration estimation for micro-particles in liquid samples
Genc, Sinan; Erdem, Talha; İçöz, Kutay (ELSEVIER, 2024)The on-site examination and characterization of microparticles are becoming crucial due to the significant rise in plastic pollution in natural resources. Hence, identifying the specific microplastic composition and ... -
Sustainable next-generation color converters from P. harmala seed extracts for solid-state lighting
Erdem, Talha; Orenc, Ali; Akcan, Dilber; Duman, Fatih; Soran-Erdem, Zeliha (Royal Society of Chemistry, 2024)Traditional solid-state lighting heavily relies on color converters, which often have a significant environmental footprint. As an alternative, natural materials such as plant extracts could be employed if their low quantum ... -
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 ... -
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 ... -
Transparent Colloidal Crystals With Structural Colours
Erdem, Talha; O'Neill, Thomas; Zupkauskas, Mykolas; Caciagli, Alessio; Xu, Peicheng; Lan, Yang; Bosecke, Peter; Eiser, Erika (FRONTIERS MEDIA SAAVENUE DU TRIBUNAL FEDERAL 34, LAUSANNE CH-1015, SWITZERLAND, 2022)Spatially ordered arrangements of spherical colloids are known to exhibit structural colours. The intensity and brilliance of these structural colours typically improve with colloidal monodispersity, low concentrations of ... -
Transparent Films Made of Highly Scattering Particles
Erdem, Talha; Yang, Lan; Xu, Peicheng; Altintas, Yemliha; O'Neil, Thomas; Caciagli, Alessio; Ducati, Caterina; Mutlugun, Evren; Scherman, Oren A.; Eiser, Erika (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2020)Today, colloids are widely employed in various products from creams and coatings to electronics. The ability to control their chemical, optical, or electronic features by controlling their size and shape explains why these ... -
Tuning optical properties of self-assembled nanoparticle network with external optical excitation
Senel, Zeynep; Icoz, Kutay; Erdem, Talha (AMER INST PHYSICS1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501, 2021)DNA-driven self-assembly enables precise positioning of the colloidal nanoparticles owing to specific Watson-Crick interactions. Another important feature of this self-assembly method is its reversibility by controlling ... -
Use of Confocal Microscopy to Monitor Structural Transformations in Nanopillars Based on DNA and CdSe/CdZnSe/ZnS Quantum Dots
Motevich, I. G.; Erdem, Talha; Akrema, A.; Maskevich, S. A.; Strekal, N. D. (SPRINGER, 2023)Chip system prototypes in the form of nanopillars were created from DNA complexes with CdSe/CdZnSe/ZnS quantum dots immobilized on a plasmonic gold fi lm by the use of vacuum deposition technology and inorganic synthesis. ...