Electrical conductivity,optical properties and mechanical stability of 3, 4, 9, 10-perylenetetracarboxylic dianhidride based organic semiconductor |
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| Affiliation: | 1. Polymer Nanocomposite Laboratory, Material Physics Division, School of Advanced Sciences, VIT University, Vellore 632014, Tamil Nadu, India;2. Department of Chemistry, Birla Institute of Technology & Science, Pilani, K K Birla Goa Campus, Goa 403726, India;3. Department of Photonics, Nuclear & Medical Physics Division, School of Advanced Sciences, VIT University, Vellore 632001, Tamil Nadu, India;1. Department of Physics, Maharajas College, Ernakulam, Kerala, 682011, India;2. Department of Physics, SD College, Alappuzha, Kerala, 688003, India;3. School of Physics, IISER Thiruvananthapuram, Kerala, 695016, India;1. School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China;2. School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, PR China;3. College of Physical Science and Technology, Soochow University, Suzhou, PR China;1. Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Science, East China Normal University, 500 Dong chuan Road, Shanghai, PR China;2. Shanghai Cooperative Centre for WEEE Recycling, Shanghai Second Polytechnic University, Shanghai 201209, PR China;1. Laboratoire Matériaux Avancés et Phénomènes Quantiques, Faculté des Sciences de Tunis, Université de Tunis El Manar, Campus Universitaire, 2092 Tunis, Tunisia;2. Faculté des Sciences de Bizerte, Université de Carthage, 7021 Zarzouna, Bizerte, Tunisia;3. Department of Chemical Engineering, Electrochemistry, Corrosion and Energetic Valorization Laboratory, A. MIRA University, Targa Ouzemmour, 06000 Bejaia, Algeria;4. Institute of Polymeric Materials and Testing, Johannes Kepler University, Altenbergerstr. 69, 4040 Linz, Austria;1. Key Laboratory of Colloid and Interface Chemistry & Key Laboratory of Special Aggregated Materials, Shandong University, Ministry of Education, Jinan 250100, PR China;2. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, PR China;3. Key Laboratory of Functional Crystal Materials and Device (Shandong University), Ministry of Education, Jinan 250100, PR China;4. State Key Lab of Structural Chemistry Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou, 350002, PR China |
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| Abstract: | 
The 3, 4, 9, 10-perylenetetracarboxylic dianhydride (PTCDA) doped polymer films were prepared with Polypyrrole (PPy) and Polyvinyl alcohol (PVA) polymers by solution-casting. The change in structure and chemical composition of samples was identified by XRD and FTIR respectively. The UV–visible spectroscopy demonstrates the optical characteristics and band gap properties of sample. The homogeneous morphology of sample for higher wt% of PTCDA was examined by atomic force microscopy (AFM). The differential scanning calorimetry (DSC) results demonstrate the decrease in melting temperature (Tm) and degree of crystallinity (χc%) of polymeric organic semiconductor. The mechanical property demonstrates the high tensile strength and improved plasticity nature. Impedance spectroscopy was evaluated to determine the conductivity response of polymeric organic semiconductor. The highest DC conductivity (2.08×10−3 S/m) was obtained for 10 wt% of PTCDA at 140 °C. The decrease in activation energy (Ea) represents the non-Debye process and was evaluated from the slope of ln σdc vs. 103/T plot. |
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| Keywords: | Polymers Organic compounds Organic semiconductor Electrical conductivity Mechanical properties |
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