Dorota Zając1, Damian Honisz2, Mieczysław Łapkowski2,3, Jadwiga Sołoducho1. 1. Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland. 2. Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland. 3. Centre of Polymer and Carbon Materials, Polish Academy of Science, 34 Curie Sklodowska Str., 41-819 Zabrze, Poland.
Abstract
We herein report the design and synthesis of small-donor molecules, 2,1,3-benzothiadiazole derivatives (2a-d), by Stille or Suzuki reaction. The synthesized compounds were characterized by spectroscopic and electrochemical methods. The compounds 2a-d absorb the light in a wide range (the UV-green/yellow light (2c)) and emit from green to red/near IR light (2c). Furthermore, these compounds show a narrow energy gap (1.75-2.38 eV), and high Ea values increasing for polymers, which prove their electron-donating nature and semiconductor properties. The measurements were enhanced by theoretical modeling.
We herein report the design and synthesis of small-donor molecules, 2,1,3-benzothiadiazole derivatives (n class="Chemical">2a-d), by Stille or Suzuki reaction. The synthesized compounds were characterized by spectroscopic and electrochemical methods. The compounds 2a-d absorb the light in a wide range (the UV-green/yellow light (2c)) and emit from green to red/near IR light (2c). Furthermore, these compounds show a narrow energy gap (1.75-2.38 eV), and high Ea values increasing for polymers, which prove their electron-donating nature and semiconductor properties. The measurements were enhanced by theoretical modeling.
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