Photopolymerization in the Fullerene Layers of the Molecular Donor–Acceptor Complex {Pt(nPr_2dtc)_2} · (C{sub 60}){sub 2}
Journal Article
·
· Physics of the Solid State
We measured Raman spectra in crystals of molecular donor–acceptor fullerene complexes {Me(nPr_2dtc)_2} · (C{sub 60}){sub 2} (Me = Ni, Cu, Pt). In the spectra of the {Pt(nPr_2dtc)_2} · (C{sub 60}){sub 2} complex under prolonged irradiation with a laser with λ = 532 nm, characteristic changes in the photopolymerization of fullerene are observed, associated with the splitting of degenerate phonon Hg modes and softening of Ag modes of the C{sub 60} molecule. The kinetics of photopolymerization under conditions of weak irradiation at room temperature is studied. It was found that thermal destruction of the photopolymer with increasing temperature leads to a decrease in its concentration in the final photopolymerization product. The kinetics of thermal destruction is described by the Arrhenius equation, with the activation energy E{sub A} of (0.68 ± 0.03) eV; the dimers are destructed to a concentration of 1% within 15 min at ~114°C.
- OSTI ID:
- 22770976
- Journal Information:
- Physics of the Solid State, Journal Name: Physics of the Solid State Journal Issue: 10 Vol. 60; ISSN 1063-7834
- Country of Publication:
- United States
- Language:
- English
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