VISIBLE LIGHT ABSORPTION OF FE/TIO2 NANOSTRUCTURE

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TARLANI ALIAKBAR; SHAKIBA MARZIYEH; KHODABANDEH MILAD; DARKHOSH FATEMEH; FALLAH MAHTAB

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Seminar: IRANIAN INORGANIC CHEMISTRY CONFERENCE
Year:2014 | Issue:16

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Title

VISIBLE LIGHT ABSORPTION OF FE/TIO2 NANOSTRUCTURE

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Abstract

NANO CRYSTALLINE TITANIUM DIOXIDE IS A MULTIFUNCTIONAL NANOPARTICLE AND HAS UNIQUE PROPERTIES BECAUSE OF ITS UBIQUITY, STABILITY AND NON TOXICITY. TIO2 IS MAIN INGREDIENT OF SOME PIGMENTS, OPTICAL FILTERS, ANTIREFLECTION COATINGS, SENSORS AND CATALYSTS [1]. THIS WIDE RANGE OF USES OF TIO2 IS BECAUSE OF ITS UNIQUE ELECTRONIC AND STRUCTURAL PROPERTIES. TIO2 CAN BE GREATLY IMPROVED BY DOPING WITH METAL IONS, SUCH AS NICKEL, CHROMIUM, IRON, VANADIUM, AND ZINC ETC. [2]. DOPING MAKE IT POSSIBLE TO CHANGE THE ELECTRONIC STRUCTURE OF TIO2 NANOPARTICLES, ALTERING THEIR CHEMICAL COMPOSITION AND OPTICAL PROPERTIES. IRON HAS BEEN CONSIDERED AN APPROPRIATE CANDIDATE, OWING TO THE RADIUS OF FE3+ (0.64Aº) BEING SIMILAR TO THAT OF TI4+ (0.68Aº). THEREFORE, IT CAN BE INFERRED THAT FE IONS MIGHT EASILY BE INCORPORATED WITH THE CRYSTAL LATTICE OF TIO2. THE BAND GAP OF IRON IS 2.6 EV, SO, IT WILL REDUCE THE WIDTH OF THE ENERGY GAP OF TIO2 AND INCREASE THE EFFICIENCY OF ABSORBING VISIBLE LIGHT [3]. IN THIS REPORT TITANIUM DIOXIDE WAS DOPED WITH FE3+ AND WAS SYNTHESIZED THROUGH A SOLVOTHERMAL METHOD BY ASSISTING LYSINE AS A DIRECTING AGENT .THE PRODUCT WAS CHARACTERIZED WITH XRD, SEM AND PHOTOLUMINESCENCE APPARATUS. RESULTS SHOWED THAT PARTICLE SIZE IS BELOW 100 NM. MOREOVER; PL SPECTRUM SHOWED A PEAK IN THE VISIBLE REGION ABOUT 600 NM (FIG1).

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APA: Copy

TARLANI, ALIAKBAR, SHAKIBA, MARZIYEH, KHODABANDEH, MILAD, DARKHOSH, FATEMEH, & FALLAH, MAHTAB. (2014). VISIBLE LIGHT ABSORPTION OF FE/TIO₂ NANOSTRUCTURE. IRANIAN INORGANIC CHEMISTRY CONFERENCE. SID. https://sid.ir/paper/911350/en

Vancouver: Copy

TARLANI ALIAKBAR, SHAKIBA MARZIYEH, KHODABANDEH MILAD, DARKHOSH FATEMEH, FALLAH MAHTAB. VISIBLE LIGHT ABSORPTION OF FE/TIO₂ NANOSTRUCTURE. 2014. Available from: https://sid.ir/paper/911350/en

IEEE: Copy

ALIAKBAR TARLANI, MARZIYEH SHAKIBA, MILAD KHODABANDEH, FATEMEH DARKHOSH, and MAHTAB FALLAH, “VISIBLE LIGHT ABSORPTION OF FE/TIO₂ NANOSTRUCTURE,” presented at the IRANIAN INORGANIC CHEMISTRY CONFERENCE. 2014, [Online]. Available: https://sid.ir/paper/911350/en

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