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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Ammar, A. H. Farag, A. A. M. Taha, A. Ahmed, H. M. Shebl, Magdy |
| Description | Country affiliation: Egypt Author Affiliation: Taha A ( Chemistry Department, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt.); Farag AA ( Thin Film Laboratory, Physics Department, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt); Shebl M ( Chemistry Department, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt.); Ammar AH ( Thin Film Laboratory, Physics Department, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt); Ahmed HM ( Chemistry Department, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt.) |
| Abstract | In this work, a new synthesized mononuclear mixed ligand nickel(II) complex was characterized by various techniques. Crystalline characteristics of [Ni(Phth)(Me4en)(H2O)2]·4H2O were studied by using transmission electron microscope(TEM). Well crystalline structure corresponds to the hexagonal crystal system and identified by selected area electron diffraction (SAED) were achieved. Coordination of the nickel(II) ion with the functional groups of the ligands was established from the IR spectrum. Molar conductance of the current complex in DMF (10(-3)mol/L) indicated a non-electrolytic nature of the complex. Electronic spectra showed a strong band in the region 661-684nm; MeCN (661nm), CHCl3 (663nm), MeOH (667nm), Me2CO (675nm), DMSO (682nm) and DMF (684nm) which can be assigned to (3)A2g(F)â (3)T1g(F) transition of an octahedral structure around nickel(II). Multiple peaks were easily resolved from the spectral dependence of the absorption coefficient ( ) measurements and the analysis near the fundamental absorption edge showed two direct allowed transition with energy gaps of 1.18 and 2.53eV. Dark current-voltage and capacitance-voltage characteristics of [Ni(Phth)(Me4en)(H2O)2]·4H2O/n-Si heterojunctions were studied to extract the main important parameters of the heterojunction device. The electrical characteristics of the heterojunction device under illumination hold the suitability of the device for optoelectronic applications. |
| ISSN | 13861425 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Volume Number | 152 |
| e-ISSN | 18733557 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-01-05 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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