A5088826821- Conducting polymers and applications
- Organic Electronics and Photovoltaics
- Electrochemical Analysis and Applications
- Transition Metal Oxide Nanomaterials
- Analytical Chemistry and Sensors
- Organic Light-Emitting Diodes Research
- Electrocatalysts for Energy Conversion
- Metal complexes synthesis and properties
- Luminescence and Fluorescent Materials
- Advanced battery technologies research
- Electrochemical sensors and biosensors
- Fuel Cells and Related Materials
- Molecular Junctions and Nanostructures
- Porphyrin and Phthalocyanine Chemistry
- Inorganic and Organometallic Chemistry
- Radiation Effects and Dosimetry
- Molecular Sensors and Ion Detection
- Advanced Sensor and Energy Harvesting Materials
- Radical Photochemical Reactions
- Perovskite Materials and Applications
- Organometallic Complex Synthesis and Catalysis
- Photochromic and Fluorescence Chemistry
- Catalytic Processes in Materials Science
- Advanced Photocatalysis Techniques
- Synthesis and properties of polymers
Middle East Technical University
2014-2024
Bilkent University
2012
Atilim University
2011
Max Planck Society
1986-1988
To demonstrate the effect of donor (D) and acceptor (A) units on structure−property relationships electrochromic polymers, design, synthesis, characterization polymerization a series D−A type systems, 1−5, based thiophene, 3,4-ethylenedioxythiophene, 3,3-didecyl-3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine as D 2,1,3-benzoselenadiazole, 2,1,3-benzothiadiazole 2-decyl-2H-benzo[d][1,2,3]triazole A are highlighted. It is found that these play key roles redox behavior, band gap, neutral state...
Ruthenium(0) nanoparticles supported on nanoceria (Ru0/CeO2) were prepared by reduction of Ru3+ ions the surface ceria using aqueous solution NaBH4. The Ru0/CeO2 samples characterized advanced analytical tools and employed as electrocatalysts glassy carbon electrode (GCE) in hydrogen evolution from water. GCE, modified (1.86 wt % Ru), provides an incredible electrocatalytic activity with a high exchange current density 0.67 mA·cm–2, low overpotential 47 mV at j = 10 small Tafel slope 41...
The optical and electrochemical properties of a regioregular soluble alkylenedioxyselenophene-based electrochromic polymer, namely poly(3,3-didecyl-3,4-dihydro-2H-selenopheno[3,4-b][1,4]dioxepine (PProDOS-C10), which is synthesized by polymerization, are highlighted. It noted that this unique polymer has low band gap (1.58 eV) exceptionally stable under ambient atmospheric conditions. Polymer films retain 97% their electroactivity after 40 000 cycles. percentage transmittance PProDOS-C10...
Two new furan and benzochalcogenodiazole based monomers, namely 4,7-di(furan-2-yl)benzo[c][1,2,5]selenadiazole (FSeF) 4,7-di(furan-2-yl)benzo[c][1,2,5]thiadiazole (FSF), were designed synthesized via a donor–acceptor–donor approach. The monomers electrochemically polymerized potentiodynamic or potentiostatic methods. their polymers exhibited lower oxidation potentials (1.16 V 1.06 for monomers; 0.93 0.80 vs. Ag/AgCl) red shifts of the whole dual-band absorption spectra upon moving from S to...
SummaryPeroxyl radicals of poly(U), poly(A), and single- double-stranded DNA have been produced by photolysing H2O2 in oxygenated aqueous solution presence the substrates. The peroxyl are formed reaction OH with polynucleotides followed addition oxygen.The lifetime rate constant their reactions thiols cysteamine, gluthathione dithiothreithol measured time-resolved e.s.r. spectroscopy. unusually long lifetimes range from 0·2 to 3·3 s. activation energy for decay all four substrates is 10·3 ±...
In this study, three novel oxadiazole-based polymers were synthesized and their electrochemical optical properties investigated. The found to have both p- n-type doping accompanied by electrochromic response. Two polymer films exhibit cyan magenta colors, which constitute two legs of CMY color spaces, in neutral states they are soluble common-organic solvents. According the mixing theory, all colors visible spectrum including black can be obtained using these with a yellow colored polymer....
Abstract Water splitting for hydrogen production is a crucial technology sustainable energy alternatives. The oxygen evolution process (OER) poses considerable problem owing to its sluggish kinetics. This study examines the electrocatalytic characteristics of hydroxyapatite-supported nickel nanoparticles (Ni/HAp) as promising catalyst OER in alkaline environments. Ni/HAp were made via straightforward impregnation-reduction procedure, and their structural electrochemical are analyzed using...
Abstract Optical and electrochemical properties of regiosymmetric soluble alkylenedioxyselenophene‐based electrochromic polymers, namely poly(3,3‐dibutyl‐3,4‐dihydro‐2H‐selenopheno[3,4‐b][1,4]dioxephine) (PProDOS‐C 4 ), poly(3,3‐dihexyl‐3,4‐dihydro‐2H‐selenopheno[3,4‐b][1,4]dioxephine) 6 poly(3,3‐didecyl‐3,4‐dihydro‐2H‐selenopheno[3,4‐b][1,4]dioxephine) 10 are highlighted. It is noted that these unique polymers have low bandgaps (1.57–1.65 eV), they exceptionally stable under ambient...
Abstract A diverse‐stimuli responsive chemiluminescent system, SNS‐Lum, and its electropolymerization to give PSNS‐Lum, which is the first example of conjugated polymers with pendant luminol arms inducing chemiluminescence in presence super oxide radical anion under neutral conditions, are highlighted.
Three new donor–acceptor–donor type monomers bearing 2,7- or 3,6-linked carbazoles as the donor unit and diketopyrrolopyrrole acceptor were synthesized <italic>via</italic> a Suzuki cross coupling reaction.
Abstract Electrochromic polymers called poly(3,4‐dihydro‐3,3‐bis ((naphthalen‐1‐yl)methyl)‐2H‐thieno[3,4‐b][1,4]dioxepine) (PProDOT‐Np 2 ), poly(3,3‐dibenzyl‐3,4‐dihydro‐2H‐selenopheno[3,4‐b][1,4]dioxepine), and poly(3,3‐dibenzyl‐3,4‐dihydro‐2H‐thieno[3,4‐b][1,4]dioxepine) were synthesized electrochemically the effect of substituents heteroatoms on electrochromic properties investigated for similar systems. All show electrochromism from a colored state when neutralized to transmissive...