The Influence of Magnetron Sputtering Process Temperature on ZnO Thin-Film Properties

Kaim, Paulina; Lukaszkowicz, K.; Szindler, M.; Basiaga, Marcin; Hajduk, Barbara

doi:10.3390/coatings11121507

Cited by 12 publications

(3 citation statements)

References 29 publications

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“…This issue could be resolved by further optimizing the deposition conditions (if required). [ 26 , 27 ] Additionally, the EDX mapping images of the Ti, C, Ag, and Zn suggested that Zn was uniformly doped throughout the top Zn@Ti 3 C 2 T x MXene layer of the FTCE.…”

Section: Resultsmentioning

confidence: 99%

Flexible Memristive Organic Solar Cell Using Multilayer 2D Titanium Carbide MXene Electrodes

et al. 2023

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Hybrid systems have attracted significant attention within the scientific community due to their multifunctionality, which has resulted in increasing demands for wearable electronics, green energy, and miniaturization. Furthermore, MXenes are promising two‐dimensional materials that have been applied in various areas due to their unique properties. Herein, a flexible, transparent, and conductive electrode (FTCE) based on a multilayer hybrid MXene/Ag/MXene structure that can be applied to realize an inverted organic solar cell (OSC) with memory and learning functionalities is reported. This optimized FTCE exhibits high transmittance (84%), low sheet resistance (9.7 Ω sq−1), and reliable operation (even after 2000 bending cycles). Moreover, the OSC using this FTCE achieves a power conversion efficiency of 13.86% and sustained photovoltaic performance, even after hundreds of switching cycles. The fabricated memristive OSC (MemOSC) device also exhibits reliable resistive switching behavior at low operating voltages of 0.60 and −0.33 V (similar to biological synapses), an excellent ON/OFF ratio (103), stable endurance performance (4 × 103), and memory retention properties (104 s). Moreover, the MemOSC device can mimic synaptic functionalities on a biological time scale. Thus, MXene can potentially be used as an electrode for highly efficient OSCs with memristive functions for future intelligent solar cell modules.

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Section: Resultsmentioning

confidence: 99%

Flexible Memristive Organic Solar Cell Using Multilayer 2D Titanium Carbide MXene Electrodes

et al. 2023

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“…Many methods are used to produce ZnO thin layers, including atomic layer deposition (ALD) [13], sputtering [14], spray pyrolysis [8], electrodeposition [15], microwave assisted synthesis [16], and sol-gel [17]. Innovative methods are also used, e.g., simultaneous etching and Al doping of H 2 O-oxidized ZnO nanorods to generate Al-doped ZnO nanotubes [18].…”

Section: Introductionmentioning

confidence: 99%

Zinc Oxide Films Fabricated via Sol-Gel Method and Dip-Coating Technique–Effect of Sol Aging on Optical Properties, Morphology and Photocatalytic Activity

et al. 2023

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Zinc oxide layers on soda-lime glass substrates were fabricated using the sol-gel method and the dip-coating technique. Zinc acetate dihydrate was applied as the precursor, while diethanolamine as the stabilizing agent. This study aimed to determine what effect has the duration of the sol aging process on the properties of fabricated ZnO films. Investigations were carried out with the sol that was aged during the period from 2 to 64 days. The sol was studied using the dynamic light scattering method to determine its distribution of molecule size. The properties of ZnO layers were studied using the following methods: scanning electron microscopy, atomic force microscopy, transmission and reflection spectroscopy in the UV-Vis range, and the goniometric method for determination of the water contact angle. Furthermore, photocatalytic properties of ZnO layers were studied by the observation and quantification of the methylene blue dye degradation in an aqueous solution under UV illumination. Our studies showed that ZnO layers have grain structure, and their physical–chemical properties depend on the duration of aging. The strongest photocatalytic activity was observed for layers produced from the sol that was aged over 30 days. These layers have also the greatest porosity (37.1%) and the largest water contact angle (68.53°). Our studies have also shown that there are two absorption bands in studied ZnO layers, and values of optical energy band gaps determined from positions of maxima in reflectance characteristics are equal to those determined using the Tauc method. Optical energy band gaps of the ZnO layer fabricated from the sol aged over 30 days are EgI = 4.485 eV and EgII = 3.300 eV for the first and second bands, respectively. This layer also showed the highest photocatalytic activity, causing the pollution to degrade 79.5% after 120 min of UV irradiation. We believe that ZnO layers presented here, thanks to their attractive photocatalytic properties, may find application in environmental protection for the degradation of organic pollutants.

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“…Sputtering parameters like annealing temperature, working pressure, RF power, gas flow rate, and type of substrate plays vital role in the growth of ZnO thin films [12,13]. Zeng et al reported that substrate temperature can change crystal quality and thereby optical properties [14].…”

Section: Introductionmentioning

confidence: 99%

Effect of substrate temperature and RF power on the structural and optical properties of sputtered ZnO thin films

Hajara

Rose

Saji

2022

J. Phys.: Conf. Ser.

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ZnO thin films have been deposited on glass substrates by radio frequency (RF) magnetron sputtering from a zinc oxide target in order to investigate the effect of RF power and substrate temperature on the properties of the deposited films. The structural and optical properties of the films were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), UV-Vis transmission spectra and photoluminescence (PL). All ZnO thin films exhibited diffraction peak of (002) corresponding to c-axis orientation and the film deposited at 450°C exhibited the larger grain size as a result of stress relaxation. It is observed that the increase in substrate temperature or sputtering power can facilitate the growth of ZnO in (100) and (101) direction. PL emission was obtained at UV and visible region for the excitation wavelengths of 280 nm and 390 nm respectively. PL study indicated that both the crystal quality and stoichiometry can influence the UV PL emission in ZnO thin films. Dependence of temperature and power on transmission spectra was studied and the optical band gap was calculated.

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The Influence of Magnetron Sputtering Process Temperature on ZnO Thin-Film Properties

Cited by 12 publications

References 29 publications

Flexible Memristive Organic Solar Cell Using Multilayer 2D Titanium Carbide MXene Electrodes

Flexible Memristive Organic Solar Cell Using Multilayer 2D Titanium Carbide MXene Electrodes

Zinc Oxide Films Fabricated via Sol-Gel Method and Dip-Coating Technique–Effect of Sol Aging on Optical Properties, Morphology and Photocatalytic Activity

Effect of substrate temperature and RF power on the structural and optical properties of sputtered ZnO thin films

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