Synthesis of indium tin oxide nanotubes using 2-methoxyethanol as solvent via simple template method

Zhang, Haijiao; Ye, Feng; Liu, Limeng; Xu, Huifang; Sun, Chao

doi:10.1016/j.jallcom.2010.05.079

Cited by 20 publications

(10 citation statements)

References 37 publications

(33 reference statements)

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“…ionic radius (0.69 nm) is smaller than In 3? ionic radius (0.80 nm), which will lead to the decrease of the planar spacing of In 2 O 3 crystal lattice [1]. As shown in Fig.…”

Section: The Element Analysis By Edax Analysismentioning

confidence: 95%

“…Thin films of transparent semiconductor have attracted interest because of its good transparent and conductive properties for the potential applications in electronic fields such as heater windows, dye synthesized solar cells and transparent electrodes [1][2][3]. Among the various transparent conductive oxides (TCOs) such as flour tin oxide (FTO), aluminum zinc oxide (AZO) and aluminum tin oxide (ATO), the best known is tin-doped indium oxide (ITO) due to its considerable characteristics of high optical transmittance over the visible spectrum, high conductivity, and chemical stability [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

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The effect of solvents and the thickness on structural, optical and electrical properties of ITO thin films prepared by a sol–gel spin-coating process

et al. 2014

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In this study, tin-doped indium oxide (ITO) thin films were produced by the sol-gel spin-coating technique with an inexpensive salt of indium (In(NO 3 ) 3-H 2 O) and SnCl 4 as indium and tin precursors (the molar ratio of In:Sn was 9:1), respectively. Then the prepared thin films were annealed in the temperature of 550°C under argon atmosphere (the pressure of 10 torr). Polyvinylalcohol (PVA) was used as stabilizers in the synthesis of ITO sol. The prepared ITO thin films were characterized by EDX, XRD, FT-IR, UV-Vis spectroscopy and SEM images. The XRD patterns of the thin films indicated the main peak of the (2 2 2) plane corresponded to indium oxide with high degree of crystallinity. The FT-IR spectroscopy confirmed that indium tin oxide has been prepared by appearance of a peak at 470 cm -1 that can be assigned to the vibrations of In-O bonds. The optical direct band gap of ITO thin films was calculated about 3.98-4.17 eV by optical transmittance measurements. The grain size of ITO nanoparticles was obtained at about 25-50 nm by SEM images. The electrical characterization was done by the four-point probe method to determine the sheet resistance and resistivity. The effects of coating number on ITO thin films properties were investigated. The low resistivity (sheet resistance of 2.5 kX/cm 2 ) and highly transparent films were obtained that can be applied as covers on heater windows. Appearance of a peak at 470 cm -1 can be assigned to the vibrations of In-O bonds and are characteristic of cubic In 2 O 3 .

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“…ionic radius (0.69 nm) is smaller than In 3? ionic radius (0.80 nm), which will lead to the decrease of the planar spacing of In 2 O 3 crystal lattice [1]. As shown in Fig.…”

Section: The Element Analysis By Edax Analysismentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

The effect of solvents and the thickness on structural, optical and electrical properties of ITO thin films prepared by a sol–gel spin-coating process

et al. 2014

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“…The XPS peak for O 1s region shows a slight hump on the high energy side (Fig. 4(d)), and the corresponding Gaussian fitting gives two binding energies at 530.2 (O 1s-I) and 531.8 (O 1s-II) eV, and can be respectively attributed to bulk oxygen of ITO and to the O 2 À ions in oxygen deficiency regions [32][33][34]. The quantification of In 3d 3/2 and Sn 3d 3/2 gives In:Sn atomic ratio of nearly 9:1, and that of O 1s-II shows certain oxygen deficiency, which indicating the presence of oxygen vacancies.…”

Section: Resultsmentioning

confidence: 96%

Influence of post-annealing on the structure and optical properties of ITO nanocrystals prepared by electrochemical method

Xu¹,

Wang²,

Ding³

et al. 2012

Materials Research Bulletin

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“…Indium tin oxide is an ntype semiconductor [7] with a wide direct band gap (3.5 eV to 4.3 eV) [8]. It is widely used as a transparent conducting electrode in various optoelectronic devices such as solar cells [9], liquid crystal displays [7], organic light emitting diodes [10] and other flat displays, also for fuel cells [11] and gas sensors to detect combustible gases such as CH 3 OH, NO 2 , CCl 4 , CO 2 and Cl´ [12][13][14][15]. ITO nanoparticles have been prepared by physical and chemical methods.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of indium tin oxide nanoparticles via reflux method

Manafi

Tazikeh

Joughehdoust

2017

Materials Science-Poland

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Synthesis of indium tin oxide (ITO) nanoparticles by reflux method without chlorine contamination at different pHs, temperatures, solvents and concentrations has been studied. Indium chloride, tin chloride, water, ethanol and Triton X-100 were used as starting materials. Structure, size, surface morphology and transparency of indium tin oxide nanoparticles were studied by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) and UV-Vis spectrophotometry. XRD patterns showed that 400°C is the lowest temperature for synthesis of ITO nanoparticles because metal hydroxide does not transform to metal oxide in lower temperature. FT-IR results showed the transformation of hydroxyl groups to oxide. SEM images showed that pH is the most important factor affecting the nanoparticles size. The smallest nanoparticles (40 nm) were obtained at pH " 8.8. The size of crystallites was decreased by lowering of concentration (0.025 M).

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Synthesis of indium tin oxide nanotubes using 2-methoxyethanol as solvent via simple template method

Cited by 20 publications

References 37 publications

The effect of solvents and the thickness on structural, optical and electrical properties of ITO thin films prepared by a sol–gel spin-coating process

The effect of solvents and the thickness on structural, optical and electrical properties of ITO thin films prepared by a sol–gel spin-coating process

Influence of post-annealing on the structure and optical properties of ITO nanocrystals prepared by electrochemical method

Synthesis and characterization of indium tin oxide nanoparticles via reflux method

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