Solution processed SnO<sub>2</sub>:Sb transparent conductive oxide as an alternative to indium tin oxide for applications in organic light emitting diodes

Esro, Mazran Bin; Georgakopoulos, Stamatis; Lu, Haizhou; Vourlias, Georgios; Krier, A.; Milne, W. I.; Gillin, W. P.; Adamopoulos, George

doi:10.1039/c5tc04117a

Cited by 54 publications

(24 citation statements)

References 75 publications

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“…46 The Sb 5+ state contributes additional free electrons into the conduction band increasing conductivity and the charge carrier concentration. 47 Above 4 at% Sb the resistivity increased with a corresponding decrease in mobility and carrier concentration. In such cases, more of the Sb 5+ ions reduce to the Sb 3+ state which act as acceptors hence removing electrons from the conduction band.…”

Section: Resultsmentioning

confidence: 97%

Enhanced electrical properties of antimony doped tin oxide thin films deposited via aerosol assisted chemical vapour deposition

et al. 2018

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Section: Resultsmentioning

confidence: 97%

Enhanced electrical properties of antimony doped tin oxide thin films deposited via aerosol assisted chemical vapour deposition

et al. 2018

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“…This effect has been observed in previous studies conducted on ATO films, and it has been ascribed to a combination of the increased amount of Sb (III) over Sb (V) which act as electron acceptors, and of the increased activation energy of the donors. [24,25] Since the mobility continues to decline, there is a sharp increase in electrical resistance at these higher doping levels, especially in the ATO coatings deposited at low temperatures.…”

Section: Effect Of Antimony Concentrationmentioning

confidence: 99%

“…Antimony-doped tin oxide (ATO) films have also demonstrated high optoelectronic performance, validating the use of antimony as a dopant. [15,[23][24][25] Moreover, the fabrication of ATO avoids the use of fluorine precursors, that can release HF as a by-product especially when aqueous-based methods are used. [26,27] Previous studies of ATO coatings deposited by ultrasonic spray pyrolysis have individually and unsystematically explored the structural, electrical, and optical properties of the deposited films by altering some of the key parameters including dopant concentration, film thickness, and processing temperature.…”

Section: Introductionmentioning

confidence: 99%

Ultrasonic Spray Pyrolysis of Antimony‐Doped Tin Oxide Transparent Conductive Coatings

Kim

Murdoch

Partridge

et al. 2020

Adv Materials Inter

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Transparent conducting oxides are fundamental for the fabrication of optoelectronic devices including touchscreen displays, solar cells, and light emitting diodes. However, they mostly rely on rare elements and expensive vacuum‐based deposition methods that negatively affect the overall cost of optoelectronics. Here, a detailed investigation on the synthesis of antimony‐doped tin oxide films using an ultrasonic spray coating system is presented. High‐quality, crystalline SnO2 films are deposited via decomposition of metal precursors sprayed directly onto hot (>400 °C) substrates. Doping is easily achieved by adding the dopant salt to the spray solution, and the presence of the dopant atoms heavily influences the optical, electrical, and structural properties of SnO2. These coatings are characterized using a comprehensive suite of techniques including X‐ray diffraction, electron microscopy, X‐ray and ultraviolet photoelectron spectroscopies, Hall effect measurements, optical spectroscopy in the visible and near infrared, and atomic force microscopy, in order to elucidate the relationship between the synthetic conditions and functional properties. Through a careful optimization process, Sb‐doped SnO2 coatings showing transmittance values in the visible spectrum between 80% and 90%, and sheet resistances of 10–20 Ω/sq−1 are achieved. Such values are suitable for immediate applications of these Sb‐doped SnO2 films as high‐performance transparent conductors.

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“…As a result, SnO 2 conductive films are widely used for such applications as gas sensors, solar energy battery electrodes, low-radiation glasses, etc. [24,25]. However, SnO 2 films are less easily used in tablet display applications due to their high electrical resistance and poor etching effect.…”

Section: Introductionmentioning

confidence: 99%

Optoelectronic Properties of Ti-doped SnO2 Thin Films Processed under Different Annealing Temperatures

Liu

Kuo²,

Chen

et al. 2020

Coatings

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Ti-doped SnO2 transparent conductive oxide (TCO) thin films are deposited on glass substrates using a radio frequency (RF) magnetron sputtering system and then are annealed at temperatures in the range of 200–500 °C for 30 min. The effects of the annealing temperature on the structural properties, surface roughness, electrical properties, and optical transmittance of the thin films are then systematically explored. The results show that a higher annealing temperature results in lower surface roughness and larger crystal size. Moreover, an annealing temperature of 300 °C leads to the minimum electrical resistivity of 5.65 × 10−3 Ω·cm. The mean optical transmittance increases with an increase in temperature and achieves a maximum value of 74.2% at an annealing temperature of 500 °C. Overall, the highest figure of merit (ΦTC) (3.99 × 10−4 Ω−1) is obtained at an annealing temperature of 500 °C.

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Solution processed SnO₂:Sb transparent conductive oxide as an alternative to indium tin oxide for applications in organic light emitting diodes

Abstract: Here, we present the deposition of antimony-doped tin oxide thin films using the ambient spray pyrolysis technique and demonstrate their implementation as transparent electrodes (anodes) in red, green and blue organic light emitting diodes.

Cited by 54 publications

References 75 publications

Enhanced electrical properties of antimony doped tin oxide thin films deposited via aerosol assisted chemical vapour deposition

Enhanced electrical properties of antimony doped tin oxide thin films deposited via aerosol assisted chemical vapour deposition

Ultrasonic Spray Pyrolysis of Antimony‐Doped Tin Oxide Transparent Conductive Coatings

Optoelectronic Properties of Ti-doped SnO2 Thin Films Processed under Different Annealing Temperatures

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Solution processed SnO2:Sb transparent conductive oxide as an alternative to indium tin oxide for applications in organic light emitting diodes

Abstract: Here, we present the deposition of antimony-doped tin oxide thin films using the ambient spray pyrolysis technique and demonstrate their implementation as transparent electrodes (anodes) in red, green and blue organic light emitting diodes.

Cited by 54 publications

References 75 publications

Enhanced electrical properties of antimony doped tin oxide thin films deposited via aerosol assisted chemical vapour deposition

Enhanced electrical properties of antimony doped tin oxide thin films deposited via aerosol assisted chemical vapour deposition

Ultrasonic Spray Pyrolysis of Antimony‐Doped Tin Oxide Transparent Conductive Coatings

Optoelectronic Properties of Ti-doped SnO2 Thin Films Processed under Different Annealing Temperatures

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Solution processed SnO₂:Sb transparent conductive oxide as an alternative to indium tin oxide for applications in organic light emitting diodes