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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Caglar, Yasemin Caglar, Mujdat Arslan, Andaç Hür, Evrim Ilican, Saliha |
| Description | Country affiliation: Turkey Author Affiliation: Arslan A ( Department of Chemistry, Faculty of Arts and Science, Eskisehir Osmangazi University, 26480 Eskisehir, Turkey.); Hür E ( Department of Chemistry, Faculty of Arts and Science, Eskisehir Osmangazi University, 26480 Eskisehir, Turkey.); Ilican S ( Department of Physics, Faculty of Science, Anadolu University, 26470 Eskisehir, Turkey.); Caglar Y ( Department of Physics, Faculty of Science, Anadolu University, 26470 Eskisehir, Turkey.); Caglar M ( Department of Physics, Faculty of Science, Anadolu University, 26470 Eskisehir, Turkey. Electronic address: mcaglar@anadolu.edu.tr.) |
| Abstract | ZnO nanorod array films were deposited from aqueous solution containing different concentrations (1×10(-2) M and 5×10(-3) M) Zn(NO3)2â 6H2O and C6H12N4 and at different electrodeposition times (i.e., 15 min, 30 min, 60 min, 120 min and 180 min) using chronoamperometry method on p-Si substrate. Surface morphology and crystal structural properties of ZnO films were investigated by XRD and FESEM to select ZnO films which have optimum properties. The highest TC(hkl) value was observed in (002) plane for the film, which is deposited at 1×10(-2) M and 120 min. It is also observed that the highly oriented nanorods in this film are denser. Additionally, the conductivity type was determined by using Mott-Schottky which is electrochemical impedance spectroscopy method (EIS). On the other hand, to investigate the utility of obtained ZnO on p-Si (p-Si/n-ZnO) as supercapacitor electrode active material, the electrochemical storage properties of p-Si/ZnO was studied by electrochemical impedance spectroscopy and repeating chronopotentiometry methods. It is suggested from electrochemical tests results that p-Si/ZnO is a promising electrode materials for supercapacitor applications that required low voltage (<10 V). Rectifiying behavior was observed from the I-V characteristic of nanorod array n-ZnO/p-Si heterojunction diode. The n value, Io and the Ï b were found to be 5.48, 1.93×10(-8) A and 0.75 eV, respectively. |
| ISSN | 13861425 |
| Volume Number | 128 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-07-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Electrochemical Techniques Methods Membranes, Artificial Nanotubes Chemistry Zinc Oxide Dielectric Spectroscopy Ultrastructure Particle Size Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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