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Electrochromic Studies of Fluorine Substituted Benzothiadiazole Containing Conducting Polymers
Date
2018-09-12
Author
Çırpan, Ali
Erer, Mert Can
Toppare, Levent Kamil
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https://hdl.handle.net/11511/76117
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Electrochromic properties of multicolored novel polymer synthesized via combination of benzotriazole and N-functionalized 2,5-di(2-thienyl)-1H-pyrrole units
Rende, Eda; Kilic, Cihan E.; Udum, Yasemin Arslan; Toffoli, Daniele; Toppare, Levent Kamil (2014-08-20)
Synthesis of new conducting polymers is desired since their electrochemical and optical properties enable them to be used as active layers in many device applications. Benzotriazole and N-functionalized 2,5-di(2-thienyl)-1H-pyrrole (SNS Series) containing polymers showed very promising results as electrochromic materials. In order to observe the effect of the combination of these two units, three new monomers; 2-(6-(2,5-bis(5-methylthiophen-2-yl)-1H-pyrrol-1-yl)hexyl)-4,7-di(thiophen-2-yl)-2H benzo[d][1,2,3...
Electrochromic Properties of a Copolymer of 1-4-Di[2,5-di(2-thieny1)-1H-1-pyrroly1]benzene with EDOT
KİRALP, S; ÇAMURLU, PINAR; Günbaş, Emrullah Görkem; Tanyeli, Cihangir; AKHMEDOV, I; Toppare, Levent Kamil (2009-04-15)
Homopolymer of 1-4-di[2,5-di(2-thienyl)- 1H-1-pyrroly1]benzene and its copolymer with 3,4-ethylenedioxythiophene (EDOT) were electrochemically synthesized and characterized. Resulting homopolymer and copolymer films have distinct electrochromic properties. At the neutral state, homopolymer has lambda(max) due to the pi-pi* transition as 410 nm and E-g was calculated as 2.03 eV. The resultant copolymer revealed multichromism through the entire visible region, displaying red-violet, brownish yellow green, and...
ELECTROCHROMIC FILMS OF VINYLCARBAZOLE DERIVATIVES
GEISSLER, U; HALLENSLEBEN, ML; Toppare, Levent Kamil (Elsevier BV, 1993-03-22)
Several vinylcarbazole derivatives were electrochemically polymerized into electrochromic films with electrical conductivities in the range of 10(-4) to 10(-7) S/cm. The characteristic white/green color change upon doping was due to bicarbazolyl groups. The cyclic voltammograms of the monomers revealed small differences due to the various positions of the vinyl group on the ring.
Electrochromic performance and ion sensitivity of a terthienyl based fluorescent polymer
Atilgan, Nurdan; CİHANER, ATİLLA; Önal, Ahmet Muhtar (Elsevier BV, 2010-04-01)
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; li...
Electrochromic properties of 'Trimeric' thiophene-pyrrole-thiophene derivative grown from electrodeposited 6-(2,5-di(thiophen-2-yl)-1H-pyrrol-1-yl)hexan-1-amine and its copolymer
Tarkuc, Simge; Ak, Metin; Onurhan, Erdal; Toppare, Levent Kamil (Informa UK Limited, 2008-01-01)
A centrosymmetric polymer precursor, namely 6-(2,5-di(thiophen-2-yl)-1H-pyrrol-1-yl)hexan-1-amine (TPHA), was synthesized via a Knorr-Paal reaction using 1,4-di(2-thienyl)-1,4-butanedione and hexane-1,6-diamine. The resultant monomer was characterized by Nuclear Magnetic Resonance (H-1-NMR). Electroactivity of TPHA was investigated via cyclic voltammetry. The electronic structure and the nature of electrochromism in P(TPHA) and its copolymer with EDOT, (P(TPHA-co-EDOT)), were examined via spectroelectrochem...
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A. Çırpan, M. C. Erer, and L. K. Toppare, “Electrochromic Studies of Fluorine Substituted Benzothiadiazole Containing Conducting Polymers,” 2018, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/76117.