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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lazim, Haidar Gazy Badran, Hussain A. Ajeel, Khalid I. |
| Description | Country affiliation: Iraq Author Affiliation: Lazim HG ( Misan University, College of Basic Education, Department of Science, Misan, Iraq.); Ajeel KI ( Basrah University, College of Education for Pure Sciences, Department of Physics, Basrah, Iraq.); Badran HA ( Basrah University, College of Education for Pure Sciences, Department of Physics, Basrah, Iraq. Electronic address: badran_hussein@yahoo.com.) |
| Abstract | Organic solar cells based on (3-hexylthiophene):[6,6]-phenyl C61-butyric acid methylester (P3HT:PCBM) bulk heterojunction (BHJ) with an inverted structure have been fabricated using nano-anatase crystalline titanium dioxide (TiO2) as their electron transport layer, which was prepared on the indium tin oxide coated glass (ITO-glass), silicon wafer and glass substrates by sol-gel method at different spin speed by using spin-coating (1000, 2000 and 3,000 rpm) for nano-thin film 58, 75 and 90 nm respectively. The effect of thickness on the surface morphology and optical properties of TiO2 layer were investigated by atomic force microscopy (AFM), X-ray diffraction and UV-visible spectrophotometer. The optical band gap of the films has been found to be in the range 3.63-3.96 eV for allowed direct transition and to be in the range 3.23-3.69 eV for forbidden direct transition to the different TiO2 thickness. The samples were examined to feature current and voltages darkness and light extraction efficiency of the solar cell where they were getting the highest open-circuit voltage, Voc, and power conversion efficiency were 0.66% and 0.39% fabricated with 90 nm respectively. |
| ISSN | 13861425 |
| Volume Number | 145 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-06-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Electricity Fullerenes Chemistry Nanoparticles Solar Energy Thiophenes Titanium Glass Microscopy, Atomic Force Spectrometry, X-ray Emission Thermodynamics Tin Compounds X-ray Diffraction Journal Article Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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