期刊
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES
卷 31, 期 9, 页码 856-867出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/1536383X.2023.2214260
关键词
Glass ceramics; indium-tin-oxide; layer-by-layer deposition; tetraphenylporphyrin
Alpha, beta, gamma, delta-Copper(II) tetraphenylporphyrinate (CuTPP) was analyzed for its spectroscopic, structural, and morphological properties in thin film composites for optoelectronic devices. The study found that the substrate interaction induced aliphatic CH2 or CH3 formation and rearranged the bending bands of the phenyl groups. UV-vis spectroscopy showed the presence of two bands at 350 and 472 nm in the films, instead of the expected intense band between 380 and 500 nm. X-ray diffraction analysis revealed the structure of the complex, and scanning electron microscopy confirmed the growth of two-dimensional square-shaped aggregates after annealing.
alpha, beta, gamma, delta-Copper(II) tetraphenylporphyrinate (CuTPP) has been investigated as an active material in composites for optoelectronic devices, such as organic light-emitting diodes (OLEDs). This study focused on the spectroscopic, structural, and morphological analysis of CuTPP thin films obtained using layer-by-layer deposition. The infrared spectra of the films, deposited both on ceramic glass and indium tin oxide-coated glass, revealed that the substrate interacts with CuTPP, inducing the formation of aliphatic CH2 or CH3 and a general rearrangement of the bands related to the bending of phenyl groups. UV-vis spectroscopy indicated the presence of two bands at 350 and 472 nm in the films, instead of the intense band in the region between 380 and 500 nm corresponding to the Soret band. The structure of the complex was elucidated by single-crystal X-ray diffraction. X-ray powder diffraction analysis showed that films exhibited two peaks associated with the 101 and 103 planes, which noticeably increased after heating at 200 degrees C. Scanning electron microscopy images confirmed that the annealing favored the growth of two-dimensional square-shaped aggregates on the surface of the substrate.
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