Atılgan, Nurdan

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Nurdan, Atılgan
N.,Atilgan
Nurdan, Atilgan
Atilgan, Nurdan
Atılgan,N.
Atılgan, Nurdan
N., Atilgan
N.,Atılgan
A.,Nurdan
A., Nurdan
Atilgan,N.
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Araştırma Görevlisi
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Industrial Engineering
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Former Staff
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Scholarly Output

3

Articles

2

Citation Count

46

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0

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2009 - 20102
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Now showing 1 - 2 of 2
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    Article
    Citation - WoS: 26
    Citation - Scopus: 26
    Electrochromic performance and ion sensitivity of a terthienyl based fluorescent polymer
    (Elsevier, 2010) Atilgan, Nurdan; Cihaner, Atilla; Onal, Ahmet M.; Chemical Engineering; Industrial Engineering
    A novel terthienyl based fluorescent polymer bearing strong electron-withdrawing substituents directly attached to the 3,4-positions of the central thiophene ring was synthesized by electrochemical polymerization of diethyl 2,5-di(3,4-ethylenedioxythiophen-2-yl)thiophene-3,4-dicarboxylate. The corresponding polymer was characterized by cyclic voltammetry, FT-IR and UV-vis spectroscopy. The polymer has a well-defined redox process (E-p,E-1/2 = 0.74 V) and demonstrates a reversible electrochromic behavior; lilac in the neutral state and transparent sky blue in the oxidized state. Also, the polymer had low band gap (E-g = 1.82 eV) and high redox stability (retaining 94.0% of its electro-activity after 500th switch). Moreover, the sensitivity of both the monomer and its polymer towards metal cations was investigated by monitoring the change in the fluorescence intensity. Among various common ions both the monomer and its polymer were found to be selective towards Cu2+ and Cu+ ions by quenching the fluorescence efficiency with a Stern-Volmer constant (K-sv) of (1.4-1.6 x 10(3) M-1) and (1.5-1.8 x 10(2) M-1) for monomer and polymer solutions, respectively. (c) 2010 Elsevier Ltd. All rights reserved.
  • Thumbnail Image
    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; Chemical Engineering; Industrial Engineering
    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.