| 초록 |
Copper and metal-free tetrapyrazino[2,3-b]indoloporphyrazine films are prepared by vacuum thermal evaporation (TE) and Langmuir-Blodgett (LB) techniques. The spectroscopic properties of the thermally evaporated and Langmuir-Blodgett tetra(5-n-amyl-8-tert-butyl-2,3-pyrazino[2,3-b]indolo)porphyrazinato copper(II) and tetra(5-n-amyl-8-tert-butyl-2,3-pyrazino[2,3-b]indolo)porphyrazine films have been investigated and compared using UV-vis, X-ray photoelectron spectroscopy (XPS), matrix-assisted laser desorption ionization time of flight (MALDI-TOF) techniques. UV-vis spectroscopy confirms decomposition of the tetrapyrazino[2,3-b]indoloporphyrazine’s main macrocyclic ring structure, as evidenced by the disappearance of the Q band. MALDI-TOF measures lower masses with a broader distribution for the thermally evaporated films compared to the LB films, which is caused by thermal decomposition of the tetrapyrazino[2,3-b]indoloporphyrazine molecules. This results from thermal decomposition of the phthalocyanine rings. |
