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Browsing by Author "Eiamchai P."

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A study of the electrical and optical properties of AZO thin film by controlling pulse frequency of HiPIMS

Nuchuay P.; Laongwan C.; Promcham W.; Somboonsaksri P.; Kalasung S.; Chananonnawathorn C.; Eiamchai P.; Patthanasettakul V.; Promjantuk C.; Seawsakul K.; Nuntawong N.; Horprathumb M.; Limwichean S. (Chulalognkorn University, 2023)

The transparent conductive oxide (TCO) which is AZO thin film was prepared by controlling pulse frequency at 100 Hz to 900 Hz using high-power impulse magnetron sputtering (HiPIMS). All samples were deposited on silicon ...
Characterization of inhomogeneity in TiO2 thin films prepared by pulsed dc reactive magnetron sputtering

Horprathum M.; Eiamchai P.; Chindaudom P.; Nuntawong N.; Patthanasettakul V.; Limnonthakul P.; Limsuwan P. (2011)

This article discusses an analytical method for characterizations of TiO2 thin films and determinations of the degree of their inhomogeneity. The TiO2 films were prepared by a pulsed dc magnetron sputtering with an operating ...
Designs and investigations of anti-glare blue-tint side-view car mirrors

Eiamchai P.; Horprathum M.; Patthanasettakul V.; Limnonthakul P.; Nuntawong N.; Limsuwan P.; Chindaudom P. (2010)

Recent developments for luxury car industries have been in favor of anti-glare color-tint side-view exterior car mirrors. In this study, we explore the designs, the fabrications, and the investigations of anti-glare blue-tint ...
Dynamic in situ spectroscopic ellipsometric study in inhomogeneous TiO 2 thin-film growth

Horprathum M.; Chindaudom P.; Limnonthakul P.; Eiamchai P.; Nuntawong N.; Patthanasettakul V.; Pokaipisit A.; Limsuwan P. (2010)

We investigate the film-growth process of the inhomogeneous sputtered TiO2 thin films by the in situ real-time spectroscopic ellipsometer. The growth process of the film is analyzed by both the uniform and the island film ...
Effects of precursor concentration on hexagonal structures of ZnO nanorods grown by aqueous solution method

Limnonthakul P.; Chananonnawathorn C.; Aiempanakit K.; Kaewkhao J.; Eiamchai P.; Horprathum M. (2013)

The ZnO nanorods were fabricated on top of the seeded gold layer by the aqueous solution method with the solution of zinc nitrate and hexamethylenetetramine (HTMA) at 90°C for 24 hours. The variety of the ZnO nanorods were ...
Electrochromic property dependent on oxygen gas flow rate and films thickness of sputtered WO3 films

Chananonnawathorn C.; Pudwat S.; Horprathum M.; Eiamchai P.; Limnontakul P.; Salawan C.; Aiempanakit K. (2012)

Tungsten oxide films (WO3) were deposited on ITO/glass substrates with tungsten target in UHV by d.c. reactive magnetron sputtering. The WO3 films were deposited at various O2 flow rates from 5 to 20 sccm and various film ...
Fabrication and characterization of hydrophilic TiO2 thin films on unheated substrates prepared by pulsed DC reactive magnetron sputtering

Horprathum M.; Chindaudom P.; Limnonthakul P.; Eiamchai P.; Nuntawong N.; Patthanasettakul V.; Pokaipisit A.; Limsuwan P. (2010)

TiO2 thin films were deposited on unheated silicon wafers (100) and glass slides by a pulsed DC reactive magnetron sputtering in an ultrahigh vacuum (UHV) system. The effects of both an operating pressure and deposition ...
Fabrication of 3D-hybrid nanostructure for surface-enhanced raman scattering substrate: Effect of applied voltage on porous size of AAO template

Supatti A.; Limnonthakul P.; Limwichean S.; Chaisriratanakul W.; Eiamchai P.; Horprathum M.; Porntheeraphat S.; Nuntawong N.; Patthanasetakul V.; Chindaudom P. (2014)

Three-dimensional (3D)-hybrid surface-enhanced Raman scattering (SERS) substrates have been achieved via simultaneous assembled silver nanoparticles (AgNPs) onto the anodic aluminum oxide (AAO) templates. The AAO templates ...
Facile fabrication and optical characterization of nanoflake aluminum oxide film with high broadband and omnidirectional transmittance enhancement

Lertvanithphol T.; Limnonthakul P.; Hom-on C.; Jaroenapibal P.; Chananonnawathorn C.; Limwichean S.; Eiamchai P.; Patthanasettakul V.; Tantiwanichapan K.; Sathukarn A.; Nuntawong N.; Klamchuen A.; Nakajima H.; Songsiriritthigul P.; Horprathum M. (2021)

In this study, the non-lithography fabrication of nanoflake aluminum oxide (Al2O3) film with omnidirectional broadband antireflection properties was demonstrated. The nanoflake Al2O3 films on glass slide and silicon wafer ...
Growth of nanostructure silver films by DC magnetron sputtering for surface enhanced raman scattering substrate

Tuscharoen S.; Horprathum M.; Eiamchai P.; Nuntawong N.; Chananonnawathorn C.; Limnonthakul P.; Kalasung S.; Kaewkhao J. (2016)

Nanostructure silver films were obtained by dc magnetron sputtering at room temperature. The influences of deposition time on the morphology and optical properties were studied by field-emission scanning electron microscope ...
Growth of nanostructure TiO2 films by glancing angle deposition

Plirdpring T.; Horprathum M.; Eiamchai P.; Samransuksamer B.; Chananonnawathorn C.; Boonpichayapha T.; Kaewkao J.; Kaewkhao J. (2016)

Nanostructure TiO2 films were prepared by electron beam evaporation with glancing angle deposition technique at room temperature. The morphology, crystal structure and optical properties at various substrate rotation speeds ...
Hydrothermal synthesis of photo-induced hydrophilic ZnO nanorods

Khamkhom P.; Pokai S.; Chananonnawathorn C.; Horprathum M.; Eiamchai P.; Pattantsetakul V.; Limwichean S.; Nuntawong N.; Limnonthakul P.; Kaewkhao J. (2018)

Zinc oxide nanorods have been synthesized on ZnO seed layer/glass substrate by hydrothermal at a low temperature of 90 °C using zinc acetate and hexamethylenetramine. The effect of precursor concentration/growth time on ...
Influence of growth conditions on morphology of ZnO nanorods by low-temperature hydrothermal method

Pokai S.; Limnonthakul P.; Horprathum M.; Kalasung S.; Eiamchai P.; Limwichean S.; Nuntawong N.; Pattantsetakul V.; Tuscharoen S.; Kaewkhao J. (2016)

Zinc oxide (ZnO) nanorods (NRs) promise high potentials in several applications, such as photovoltaic device, thermoelectric device, sensor and solar cell. In this research, the vertical alignment of ZnO NRs was fabricated ...
Influence of oxygen flow rate on electrochromic property of WO3 nanorods prepared by glancing reactive magnetron sputtering

Limnonthakul P.; Luangtip W.; Puttharugsa C.; Lutchanont I.; Chananonnawathorn C.; Eiamchai P.; Limwichean S.; Pattantsetakul V.; Horprathum M. (2017)

Tungsten oxide (WO3) is widely applied as an electrochromic layer for several smart window applications. The objective of this research is to develop the nanostructure of WO3 films with high electrochromic response. The ...
Influence of seed layer thickness on well-aligned ZnO nanorods via hydrothermal method

Pokai S.; Limnonthakul P.; Horprathum M.; Eiamchai P.; Pattantsetakul V.; Limwichean S.; Nuntawong N.; Porntheeraphat S.; Chitichotpanya C. (2017)

Zinc oxide (ZnO) nanorods (NRs) were fabricated via the hydrothermal method at 90°C for 6 hour on the substrates with the ZnO seed layers. The ZnO seed layers had previously prepared at the different thickness, whose effects ...
NO2-sensing properties of WO3 nanorods prepared by glancing angle DC magnetron sputtering

Horprathum M.; Limwichean K.; Wisitsoraat A.; Eiamchai P.; Aiempanakit K.; Limnonthakul P.; Nuntawong N.; Pattantsetakul V.; Tuantranont A.; Chindaudom P. (2013)

In this work, the NO2-sensing properties of the tungsten trioxide (WO3) nanorods prepared by dc magnetron sputtering with glancing-angle deposition (GLAD) technique are comparatively studied with that of WO3 thin film ...
Preparation of vertically aligned ZnO nanorods on AZO thin film by hydrothermal method

Khamkhom P.; Horprathum M.; Pokai S.; Eiamchai P.; Tuscharoen S.; Pattantsetakul V.; Limwichean S.; Nuntawong N.; Limnonthakul P.; Kaewkhao J. (2017)

In this paper, we investigated the effect of growth time on the morphology of zinc oxide nanorods (ZnO NRs) on 40 nm-thick sputtered Al-doped ZnO (AZO) thin films. The ZnO NRs were grown on AZO films by hydrothermal method ...
Self-depositing passivation layer investigations on stability improvement of the Ag NRs SERS substrate

Limwichean S.; Nakajima H.; Lertvanithphol T.; Seawsakul K.; Chananonnawathorn C.; Botta R.; Eiamchai P.; Patthanasettakul V.; Chindaudom P.; Klamchuen A.; Nuntawong N.; Songsiriritthigul P.; Horprathum M. (2022)

In this work, the origin of long-term stability in the silver nanorods (Ag NRs) feasible for surface-enhanced Raman spectroscopy (SERS) substrate was investigated. The Ag NRs films were deposited on silicon wafer substrates ...
Structural, optical and hydrophilic properties of nanocrystalline TiO 2 ultra-thin films prepared by pulsed dc reactive magnetron sputtering

Horprathum M.; Eiamchai P.; Limnonthakul P.; Nuntawong N.; Chindaudom P.; Pokaipisit A.; Limsuwan P. (2011)

TiO2 ultra-thin (15 nm) films were deposited on silicon wafers (100) and glass slides by pulsed dc reactive magnetron sputtering in an ultra-high vacuum (UHV) system. The effects of substrate temperature, from room temperature ...
Vertical alignment TiO2 nanotube based on Ti film prepared via anodization technique

Aimpanakit K.; Jessadaluk S.; Tongmaha S.; Supati A.; Khemasiri N.; Pornthreeraphat S.; Horprathum M.; Patthanasetakul V.; Eiamchai P. (2016)

A highly ordered nanotube TiO2 was successfully prepared from sputtered Ti metal film using anodization process. Ethylene glycol and ammonium fluoride was introduced as the electrolyte solution. The applied of anodizing ...

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