Optical transmission in thin films of vanadium compounds |
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| Authors: | Kh S Karimov M Mahroof-Tahir M Saleeml N Ahmad and A Rashid |
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| Affiliation: | GIK Institute of Engineering Sciences and Technology, Topi, District Swabi, KPK 23640, Pakistan;Physical Technical Institute of Academy of Sciences, Rudaki Ave, 33, Dushanbe 734025, Tajikistan;Saint Cloud State University, 720 Fourth Avenue South, Saint Cloud, MN 56301-4498, USA;GIK Institute of Engineering Sciences and Technology, Topi, District Swabi, KPK 23640, Pakistan;Government College of Science, Wahdat Road, Lahore 54570, Pakistan;GIK Institute of Engineering Sciences and Technology, Topi, District Swabi, KPK 23640, Pakistan;Government College of Science, Wahdat Road, Lahore 54570, Pakistan |
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| Abstract: | Thin films of five vanadium compounds/composite: (1) VO2(3-fl) (3-fl = 3-Hydroxyflavone), (2) VO(pbd)2 (pbd = 1-Phenyl-1, 3-butadione), (3) VO(dbm)2 (dbm = Dibenzoylmethane), (4) VPc (Vanadyl Phthalocyanine) and (5) V2O5-PEPC (V2O5- poly-N-epoxypropylcarbazole composite), were deposited by the drop-casting method from the solution in benzene. The transmittance-irradiance relationships were investigated and the transmission in the visible spectrum and optical images were obtained as well. It was found that the transmittance of the VO2(3-fl), VO(pbd)2, VO(dbm)2 and VPc, was practically independent of the irradiance; whereas the transmittance of V2O5-PEPC decreased by 4% for thin and 9% for thick films with an increase of the irradiance. |
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| Keywords: | vanadium compound/composite semiconductor thin film transmittance irradiance |
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