Constitution and Conductivity of Metalloporphyrin Tapes
2020; Wiley; Volume: 2020; Issue: 20 Linguagem: Inglês
10.1002/ejic.202000243
ISSN1099-0682
AutoresGiuseppe Bengasi, Louise Quétu, Kamal Baba, Alexander Øst, João Paulo Cosas Fernandes, Patrick Grysan, Katja Heinze, Nicolas D. Boscher,
Tópico(s)Electrocatalysts for Energy Conversion
ResumoMetalloporphyrin tapes form in a solvent‐free oxidative chemical vapor deposition process on glass substrates. The metal center (M = Ni II , Cu II , Zn II , Co II , Pd II , Fe III Cl, 2H) in the 5,15‐disubstituted porphyrin monomer affects the initial C–C coupling step and consequently the formation of triply or doubly linked porphyrin tapes as well as the interchain interaction in the tape as shown by optical spectroscopy, high resolution mass spectrometry and X‐ray photoelectron spectroscopy. Optical spectroscopy and conductive atomic force microscopy reveal that these factors influence the near‐infrared absorbance and the electrical conductivity of the films. Consequently, the metal ion of the metalloporphyrin allows tuning of the macroscopic properties of the thin films composed of metalloporphyrin tapes.
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