Cihaner, Atilla

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https://hdl.handle.net/20.500.14411/6658
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C.,Atilla
A., Cihaner
C., Atilla
Cihaner A.
A.,Cihaner
Cihaner, Atilla
Cihaner,A.
Atilla Cihaner
Atilla, Cihaner
Cihaner,Atilla
Cihaner, A.
Cihaner, A
Job Title
Profesör Doktor
Email Address
atilla.cihaner@atilim.edu.tr
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Chemical Engineering
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Website
ORCID ID
0000-0001-7605-2374
Scopus Author ID
55925768200
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Google Scholar ID
ECKd5ZgAAAAJ
WoS Researcher ID
AAC-9468-2021

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NO POVERTY1
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ZERO HUNGER2
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GOOD HEALTH AND WELL-BEING3
GOOD HEALTH AND WELL-BEING
1
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QUALITY EDUCATION4
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GENDER EQUALITY5
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CLEAN WATER AND SANITATION6
CLEAN WATER AND SANITATION
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AFFORDABLE AND CLEAN ENERGY7
AFFORDABLE AND CLEAN ENERGY
3
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DECENT WORK AND ECONOMIC GROWTH8
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INDUSTRY, INNOVATION AND INFRASTRUCTURE9
INDUSTRY, INNOVATION AND INFRASTRUCTURE
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REDUCED INEQUALITIES10
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SUSTAINABLE CITIES AND COMMUNITIES11
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RESPONSIBLE CONSUMPTION AND PRODUCTION12
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CLIMATE ACTION13
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LIFE BELOW WATER14
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LIFE ON LAND15
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PEACE, JUSTICE AND STRONG INSTITUTIONS16
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Documents

101

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2374

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28

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Documents

103

Citations

2258

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Scholarly Output

121

Articles

108

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121/133

Supervised MSc Theses

12

Supervised PhD Theses

0

WoS Citation Count

2262

Scopus Citation Count

2355

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13

WoS Citations per Publication

18.69

Scopus Citations per Publication

19.46

Open Access Source

6

Supervised Theses

12

JournalCount
Electrochimica Acta15
Journal of Electroanalytical Chemistry13
Turkish Journal of Chemistry6
Dyes and Pigments6
Organic Electronics6
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Author: Cihaner, AtillaEnd date: 2019

Scholarly Output Search Results

Now showing 1 - 10 of 86
  • Thumbnail Image
    Article
    Citation - WoS: 65
    Citation - Scopus: 67
    An Electrochromic and Fluorescent Polymer Based on 1-(1
    (Elsevier Science Sa, 2008) Cihaner, Atilla; Algi, Fatih
    A novel polymer was synthesized by electrochemical polymerization of 1-(1-naphthyl)-2,5-di-2-thienyl-1H-pyrrole (SNS-1-NAPH). The corresponding polymer (PSNS-1-NAPH) was characterized by cyclic voltammetry, FT-IR and UV-vis spectroscopy. The polymer has a very well-defined and reversible redox process in both organic and aqueous solutions. Furthermore, it shows stable electrochromic behavior; yellow in the neutral state, green in the intermediate state and violet in the oxidized state. PSNS-1-NAPH is soluble in common solvents. Although SNS-1-NAPH is almost nonfluorescent, its polymer is a yellow and/or green light emitter. (c) 2007 Elsevier B.V. All rights reserved.
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    Article
    Citation - WoS: 5
    Citation - Scopus: 5
    Designing a Solution Processable Poly(3,4-Ethylenedioxyselenophene) Analogue
    (Amer Chemical Soc, 2018) Ertan, Salih; Cihaner, Atilla
    A new derivative (EDOS-POSS) of 3,4-ethylenedioxyselenophene integrated with alkyl-substituted polyhedral oligomeric silsesquioxane (POSS) cage was synthesized and characterized. The electroactive monomer was successfully polymerized via both chemical and electrochemical methods. The obtained polymer called PEDOS-POSS was solution-processable and soluble in common organic solvents like tetrahydrofuran, toluene, dichloromethane, and chloroform. PEDOS-POSS polymer exhibited electrochromic behavior: pure blue when neutralized and highly transparent when oxidized. When compared to the parent PEDOS (1.40 eV with lambda(max) = 673 nm), PEDOS-POSS polymer film has a somewhat higher band gap (1.50 eV with lambda(max) = 668 and 724 nm). Also, PEDOS POSS exhibited high optical contrast ratio (59%) and coloration efficiency (593 cm(2)/C for 95% switching) with a low switching time (0.7 s) due to the presence of POSS cage in the polymer backbone. In addition, PEDOS-POSS polymer film was highly robust and stable under ambient conditions (without purging the electrolyte solution with inert gas). Polymer films demonstrated high electrochemical stability; for example, it retained 76% of its electroactivity after 5000 cycles. Furthermore, the polymers exhibited fluorescent properties and exhibited a reddish orange emission centered about at 640 nm. Based on the findings, to the best of our knowledge, it can be concluded that the polymers are the first examples of soluble and fluorescent PEDOS derivatives. These promising properties make PEDOS-POSS polymer a potential material for bioapplications like imaging the cancer cells as well as optoelectronic applications.
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    Article
    Citation - WoS: 21
    Citation - Scopus: 21
    Synthesis and Properties of a Novel Redox Driven Chemiluminescent Material Built on a Terthienyl System
    (Pergamon-elsevier Science Ltd, 2009) Atilgan, Nurdan; Algi, Fatih; Onal, Ahmet M.; Cihaner, Atilla
    A novel redox driven chemiluminescent material built on a terthienyl system, namely 5,7-di-ethylenedioxythiophen-2-yl-2,3-dihydro-thieno[3,4-d]pyridazine-1,4-dione (ETE-Lum), which is soluble in both organic media and basic aqueous solution was synthesized and characterized. Furthermore, its polymer, PETE-Lum, which is one of the most rare examples of chemiluminescent polymeric materials bearing a pyridazine unit, was obtained successfully by electrochemical means. Both of the materials give chemiluminescence either by treatment with oxidants (H2O2 and/or KMnO4) or by the application of a potential pulse. (C) 2009 Elsevier Ltd. All rights reserved.
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    Article
    Citation - WoS: 30
    Citation - Scopus: 31
    A New Low-Voltage Polymeric Electrochromic
    (Elsevier Sci Ltd, 2010) Pamuk, Melek; Tirkes, Seha; Cihaner, Atilla; Algi, Fatih
    Design, synthesis, and properties of a novel donor-acceptor-donor type low-voltage-driven green polymeric electrochrome, P1, which is based on 8-(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-11-(2,3-dihydrothieno[3,4-b][l,4]dioxin-7-yl)acenaphtho[1,2-b]quinoxaline (1) are highlighted. It is noted that P1 has an ambipolar (n- and p-doping processes) character in 0.1 M tetrabutylammonium hexafluorophosphate/dichloromethame solution and switches to a transmissive blue state upon oxidation. Furthermore, this new polymeric electrochromic candidate exhibits high redox stability, high coloration efficiency and/or contrast ratio, high percent transmittance (%T) and low response time (1.0 s) with a band gap of 1.10 eV-1.25 eV. (C) 2009 Elsevier Ltd. All rights reserved.
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    Article
    Synthesis, Properties, and Electrochemistry of a Photochromic Compound Based on Dithienylethene and Prodot
    (2015) Algı, Melek Pamuk; Cihaner, Atilla; Algı, Fatih
    Abstract: The synthesis, photochromic features, and electrochemistry of a novel material based on dithienylethene (DTE) and 3,3-didecyl-3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine (didecyl-ProDOT) units are described. It is noteworthy that 1,2-bis(5-(3,3-didecyl-3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepin-6-yl)-2-methylthiophen-3-yl)cyclopent-1-ene can be efficiently switched between open and closed states by light in both solution and in the solid poly(methyl metacrylate) (PMMA) matrix. It is also found that the emission of this novel compound can be switched on and off upon irradiation.
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    Article
    Citation - WoS: 20
    Citation - Scopus: 22
    Electrochemical and Optical Properties of an Azo Dye Based Conducting Copolymer
    (Tubitak Scientific & Technological Research Council Turkey, 2009) Cihaner, Atilla; Algi, Fatih
    The electrochemical and optical properties of a novel conducting copolymer called poly(2,5'-dimethyl-[4-(2,5-di-thiophen-2-yl-pyrrol-1-yl)-phenyl]azobenzene-co-(3,4-ethylenedioxythiophene)) (poly(1-co-EDOT)) are reported. Electrochemically synthesized poly(1-co-EDOT) based on the azo dye has a well-defined and reversible redox couple (0.37 V vs. Ag/AgCl) with good cycle stability. The copolymer film exhibits high conductivity (13 S/cm) as well as electrochromic behavior (magenta when neutralized and transmissive sky blue when oxidized). Furthermore, electro-optically active copolymer film has a low band gap of 1.79 eV with a pi-pi* transition at 555 nm.
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    Article
    Citation - WoS: 44
    Citation - Scopus: 45
    A Novel Electrochromic and Fluorescent Polythienylpyrrole Bearing 1,1′-Bipyrrole
    (Pergamon-elsevier Science Ltd, 2009) Cihaner, Atilla; Mert, Olcay; Demir, Ayhan S.
    A novel conducting polymer was successfully synthesized via electropolymerization of 1-(1H-pyrrol-1-yl)-2,5-di(thiophen-2-yl)-1H-pyrrole. The electrochemical and electro-optical properties of the corresponding polymer, which was the first example of polymer containing 1,1'-bipyrrole units, were elaborated using electroanalytical and spectroscopic techniques. Cyclic voltammograms and electro-optical studies showed that the polymer has a stable and well-defined reversible redox process as well as electrochromic behavior. The processable polymer film also possessed a yellowish orange light emitter property. (C) 2008 Elsevier Ltd. All rights reserved.
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    Article
    Citation - WoS: 25
    Citation - Scopus: 27
    A New Processable and Fluorescent Polydithienylpyrrole Electrochrome With Pyrene Appendages
    (Pergamon-elsevier Science Ltd, 2013) Tirkes, Seha; Mersini, Jetmire; Oztas, Zahide; Algi, Melek Pamuk; Algi, Fatih; Cihaner, Atilla
    A new hybrid compound, namely 1-(pyren-3-yl)-2,5-di(thiophen-2-yl)-1H-pyrrole (SNS-P), was polymerized via both chemical and electrochemical methods. Chemically obtained soluble polydithienylpyrrole (c-PSNS-P) bearing pyrene appendages is a homogeneous and uniform polymer with a number averaged molecular weight of 15,200 g/mol. The polymer exhibits both multi-electrochromic and fluorescent properties. Upon oxidation, the color of electrochemically obtained polymer (e-PSNS-P) changes from yellowish orange to greenish yellow and to green/blue and finally to blue. In addition, the polymer induces yellowish orange (564 nm) and bright orange emission (613 nm) in solution and solid states, respectively. (C) 2012 Elsevier Ltd. All rights reserved.
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    Article
    Citation - WoS: 6
    Citation - Scopus: 6
    Anodic Oxidation of N-Substituted Dipyrrolyl Linked by Polyether Bridge
    (Taylor & Francis inc, 2006) Cihaner, Atilla
    Electroactive polymer containing polyether pseudo-cages has been synthesized by anodic oxidation of 1,11-bis(1,1-pyrrole)-3,6,9-trioxaundecane (I) using acetonitrile (ACN) as solvent and tetrabutylammonium perchlorate (TBAClO 4 ) as supporting electrolyte. Electrochemical behavior of monomer I and its polymer, poly-I , were studied using cyclic voltammetry (CV) and UV-VIS spectroscopic techniques. Also, a doping/dedoping study was carried out using electron spin resonance (ESR) and UV-VIS spectroscopic techniques. Thermal behavior of the product was studied using differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA).
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    Master Thesis
    Yeni Ditiyenosilol Esaslı Kromik Polimerlerin Sentezi ve Karakterizasyonu
    (2015) Al-jumaılı, Mohammed; Cihaner, Atilla
    Stille kenetlenme tepkimesi ile tiyofen (P1) ve bitiyofen (P2) içeren 2-etilhekzil sübstitüeli ditiyenosilol esaslı çözünür polimerler sentezlenmiştir. Polimerler nükleer magnetik rezonans (NMR), jel geçirgenlik kromotografisi (GPC), taramalı elektron mikroskobu (SEM) ve termal gravimetrik analiz (TGA) teknikleri kullanılarak karakterize edilmiştir. Silol halkası üzerindeki 2-etilhekzil sübstitüentlerinin varlığı polimerlerin yaygın çözücülerde çözünmesini sağlamıştır. GPC ölçümlerine göre, polimerler P1 ve P2'nin ağırlık ortalama moleküler ağırlıkları sırasıyla 2.30 çok dağılımlılık belirtesi (PDI) ile 70977 ve 1.42 PDI ile 110439 bulunmuştur. Tolüen çözeltisi içeresindeki floresans polimerlerin maksimum ışıma bantları P1 için 634 nm ve P2 için 613 nm'dir. Polimerlerin çözelti ve film formlarındaki kimyasal ve elektrokimyasal katkılandırılmaları morötesi-görünür (UV-vis) spektroskopi tekniği ile görüntülenmiştir. Polimerler kromik (kemokromik ve elektrokromik) özellik göstermektedirler. Nötr polimer filmlerinin renkleri P1 için mor ve P2 için kızılımsı kahverengi iken her iki polimer yükseltgen hallerinde geçirgen gökyüzü mavisine sahiptirler. Polimerlerin film formunda band aralıkları P1 için 1.81 eV ve P2 için 1.92 eV olarak hesaplanmıştır. Ayrıca, polimerlerin elektrokromik cihaz uygulamaları yapılmıştır. Polimerlerin elektrokimyasal ve optik özellikleri ilgili polimerlerin optoelektronik uygulamalar için iyi birer aday olabileceğini göstermiştir.