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Combining Step-Growth and Chain-Growth Polymerizations in One Pot: Light-Induced Fabrication of Conductive Nanoporous PEDOT-PCL Scaffold

Tabak, Tugberk; Kaya, Kerem; Isci, Recep; Ozturk, Turan; Yagci, Yusuf; Kiskan, Baris


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        "affiliation": "Istanbul Tech Univ, Chem Dept, TR-34469 Istanbul, Turkiye", 
        "name": "Tabak, Tugberk"
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      {
        "affiliation": "Istanbul Tech Univ, Chem Dept, TR-34469 Istanbul, Turkiye", 
        "name": "Kaya, Kerem"
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      {
        "affiliation": "Istanbul Tech Univ, Chem Dept, TR-34469 Istanbul, Turkiye", 
        "name": "Isci, Recep"
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      {
        "name": "Ozturk, Turan"
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      {
        "affiliation": "Istanbul Tech Univ, Chem Dept, TR-34469 Istanbul, Turkiye", 
        "name": "Yagci, Yusuf"
      }, 
      {
        "affiliation": "Istanbul Tech Univ, Chem Dept, TR-34469 Istanbul, Turkiye", 
        "name": "Kiskan, Baris"
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    "description": "<p>A novel method based on light-induced fabrication of a poly (3,4-ethylenedioxythiophene)-polycaprolactone (PEDOT-PCL) scaffold using phenacyl bromide (PAB) as a single-component photoinitiator is presented. HBr released from the step-growth polymerization of EDOT is utilized as an in situ catalyst for the chain-growth polymerization of &amp; epsilon;-caprolactone. Detailed investigations disclose the formation of a self-assembled nanoporous electroconductive scaffold (1.2 mS cm-1). Fluorescence emission spectra of the fabricated scaffold exhibit a mixed solvatochromic behavior, indicating specific interactions between the self-assembled scaffold and solvents with varying polarities, as evidenced by transmission electron microscopy (TEM). Moreover, the same light-induced technique can also be applied for bulk photopolymerization showcasing the versatility and wide-ranging scope of the originated method. In brief, this study introduces a novel approach for light-induced polymerization reactions that is merging step-growth and chain-growth mechanisms. This innovative approach is promising to facilitate in situ polymerization of monomers possessing diverse functionalities.</p>\n<p>A novel method based on light-induced fabrication of a poly (3,4-ethylenedioxythiophene)-polycaprolactone (PEDOT-PCL) scaffold using phenacyl bromide (PAB) as a single-component photoinitiator is presented. Self-assembled nanoporous electroconductive scaffolds with fluorescence behavior are obtained.image</p>", 
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    "title": "Combining Step-Growth and Chain-Growth Polymerizations in One Pot: Light-Induced Fabrication of Conductive Nanoporous PEDOT-PCL Scaffold"
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