Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 33, Issue 1, Pages 115-125Publisher
SPRINGER
DOI: 10.1007/s10854-021-07268-5
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Funding
- SERB-DST, New Delhi [EMR/2016/006135]
- UGC-New Delhi [DEC18-114381]
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1,10-Phenanthroline-based luminescent materials are important in optoelectronic applications, with a strong impact of substituents on the photoluminescent properties of the ligand. The synthesized compounds showed energy band gap values between 3.0-4.5 eV and exhibited intense broad band emission spectra in the visible region upon excitation in the ultraviolet region. Geometry and frontier molecular orbitals calculation were carried out using Avogadro and ORCA software for further analysis.
1,10-Phenanthroline-based luminescent materials play an important role as an excellent class of optoelectronic materials due to their remarkable and novel attributes for optoelectronic applications. There is an enormous demand of luminescent materials in many fields. The foremost objective of this paper is to synthesize fluorescent derivatives of 1,10-phenanthroline. The electronic effect of the substituents on the heteroaromatic ligand has been reviewed in solid state. These ligands were characterized by electrochemical study and spectroscopically. The value of energy band gap is estimated to be 3.0-4.5 eV for synthesized compounds. Photophysical features were analyzed through photoluminescence spectrometer, which indicates a strong impact of the substituents on the photoluminescent properties of the phenanthroline ligand. Upon excitation in ultraviolet region, intense broad band appeared in emission spectra of synthesized compounds lie in visible region which is further supported by CIE color coordinates. The detailed explanation about the geometry and frontier molecular orbitals calculation was carried out with the help of Avogadro and ORCA software.
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