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Synthesis and Band Gap Analysis of Designed Porphyrin Derivatives Containing Electron Donating and Accepting Group
- Authors
- Chang, In-Jung; Jeon, Yea-Sel; Hwang, Kwang-Jin
- Issue Date
- Feb-2019
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- porphyrin; band gap; organic photovoltaic cell
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.40, no.2, pp.173 - 179
- Journal Title
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY
- Volume
- 40
- Number
- 2
- Start Page
- 173
- End Page
- 179
- ISSN
- 1229-5949
- Abstract
- Symmetric (DD, AA1-AA5) and non-symmetric (DA1) porphyrin derivatives were synthesized through McDonald coupling of bispyrrole 2D, 2A1-2A5 with the corresponding aldehyde 3 or diol 6 as a key step. The UV-Vis spectrum and CV of those porphyrins were measured and analyzed for band gap and HOMO-LUMO energy. With the electron withdrawing group, the band gap of porphyrins PP was increased and that of metalloporphyrin PP-M decreased. The HOMO level of PP and LUMO level of PP-M were more lowered than the LUMO of PP and the HOMO of PP-M, respectively. The LUMO level of all PP and PP-M was lower than that of P3HT (-2.80 eV) and all HOMO energy of PP and PP-M was higher than that of PCBM (-6.20 eV).
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Related Researcher
- Hwang, Kwang Jin
- Science & Technology (Biological and Chemical Engineering)