Abstract
This study aims to synthesize the β-phase single crystal of zinc phthalocyanine (ZnPc) by using phthalonitrile process and vapor deposition. The single-crystal X-ray diffraction was used to identify the molecular structure and lattice parameters of the synthesized material. The molecular structure, frontier molecular orbitals, and IR spectroscopy of ZnPc were investigated through Time Dependent (TD)-Density Function Theory (DFT) calculations that is compared with experimental results. For the solid-state simulation, the experimental crystallographic data was used to determine band structure and density of state using DFT method on Quantum Espresso. The β-phase monoclinic single crystal of ZnPc is as a direct band gap semiconductor with the calculated energy gap of 2.1 eV, and the Fermi energy level of 2.61 eV.
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