Influence of the acetic acid concentration on the growth of zinc oxide thin films prepared by spray pyrolysis of aqueous solutions

Edinger, Stefan; Bekacz, Justyna; Richter, Moses; Hamid, Raad; Wibowo, Rachmat Adhi; Peic, Antun; Dimopoulos, Théodoros

doi:10.1016/j.tsf.2015.04.027

Cited by 16 publications

(10 citation statements)

References 29 publications

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“…The H 2 O : HAc ratio not only has an influence on the temperature during the deposition, it also alters slightly the mean droplet size due to a change in the surface tension. 60 Further, the amounts of volatile Zn and Mg species in the solution depend on the pH value and can also influence the film growth. Compared to the influence of the Mg concentration or the zinc acetate molarity on the Zn 1Àx Mg x O morphology, the influence of the acetic acid concentration is less pronounced.…”

Section: Effect Of Acetic Acid Concentrationmentioning

confidence: 99%

Influence of the aqueous solution composition on the morphology of Zn_1−xMg_xO films deposited by spray pyrolysis

et al. 2019

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Section: Effect Of Acetic Acid Concentrationmentioning

confidence: 99%

Influence of the aqueous solution composition on the morphology of Zn_1−xMg_xO films deposited by spray pyrolysis

et al. 2019

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“…Highly uniform ZnO thin films were produced by spray pyrolysis in our research group, using ZnAc 2 as precursor [16]. This compound is believed to form basic zinc acetate in a first thermal decomposition step, which is volatile and can thus decompose in a CVD-like manner [17].…”

Section: Solution Compositionmentioning

confidence: 99%

Highly transparent and conductive indium-doped zinc oxide films deposited at low substrate temperature by spray pyrolysis from water-based solutions

et al. 2017

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In this paper, indium-doped zinc oxide (IZO) films were grown by spray pyrolysis, using zinc acetate and indium acetylacetonate precursors. The focus was on developing a solution recipe based on water as solvent, with only minor acetic acid content, as well as keeping the substrate temperature as low as possible-at 360°C. The process is therefore environment friendly and energy efficient. Despite the challenging conditions, the resulting IZO films were highly transparent and conductive. Their texture deviates strongly from the (002) texture of ZnO and depends on the indium content, which also influences the resistivity. The latter attains its minimum for an indium concentration of 4 at.% in the solution and decreases for increasing film thickness, reaching the value of (5.0 ± 0.1) 9 10 -3 X cm, mainly due to the increase in carrier mobility. The stability of the resistivity after high dose of UV irradiation was found to increase with the carrier density and the film thickness. Thick, highly doped films show minimal resistivity modification even after a total dose of 12.1 kJ/cm 2 UVA/ UVB irradiation. Finally, to demonstrate its applicability in devices, the IZO electrode was used for the fabrication of a lead-perovskite absorber solar cell, yielding an energy conversion efficiency of 6% and 910 mV open-circuit voltage.

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“…However, the real influence of acetate ions on the formation of perovskite films has not been investigated in detail yet. Actually, it has been found that some preferred generations of crystals and directional formation of films could be controlled by acetate ions2526. More importantly, the research on the crystallization kinetics of perovskite reveals the elaborated isothermal transformations of perovskite films formed from different lead salts, and indicates that the activation energy of acetate system is low and coarsening of crystal occurs after the complete crystallization27.…”

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Improving the photovoltaic performance of perovskite solar cells with acetate

Zhao

Song

et al. 2016

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In an all-solid-state perovskite solar cell, methylammonium lead halide film is in charge of generating photo-excited electrons, thus its quality can directly influence the final photovoltaic performance of the solar cell. This paper accentuates a very simple chemical approach to improving the quality of a perovskite film with a suitable amount of acetic acid. With introduction of acetate ions, a homogeneous, continual and hole-free perovskite film comprised of high-crystallinity grains is obtained. UV-visible spectra, steady-state and time-resolved photoluminescence (PL) spectra reveal that the obtained perovskite film under the optimized conditions shows a higher light absorption, more efficient electron transport, and faster electron extraction to the adjoining electron transport layer. The features result in the optimized perovskite film can provide an improved short-circuit current. The corresponding solar cells with a planar configuration achieves an improved power conversion efficiency of 13.80%, and the highest power conversion efficiency in the photovoltaic measurements is up to 14.71%. The results not only provide a simple approach to optimizing perovskite films but also present a novel angle of view on fabricating high-performance perovskite solar cells.

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Influence of the acetic acid concentration on the growth of zinc oxide thin films prepared by spray pyrolysis of aqueous solutions

Cited by 16 publications

References 29 publications

Influence of the aqueous solution composition on the morphology of Zn_1−xMg_xO films deposited by spray pyrolysis

Influence of the aqueous solution composition on the morphology of Zn_1−xMg_xO films deposited by spray pyrolysis

Highly transparent and conductive indium-doped zinc oxide films deposited at low substrate temperature by spray pyrolysis from water-based solutions

Improving the photovoltaic performance of perovskite solar cells with acetate

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Influence of the acetic acid concentration on the growth of zinc oxide thin films prepared by spray pyrolysis of aqueous solutions

Cited by 16 publications

References 29 publications

Influence of the aqueous solution composition on the morphology of Zn1−xMgxO films deposited by spray pyrolysis

Influence of the aqueous solution composition on the morphology of Zn1−xMgxO films deposited by spray pyrolysis

Highly transparent and conductive indium-doped zinc oxide films deposited at low substrate temperature by spray pyrolysis from water-based solutions

Improving the photovoltaic performance of perovskite solar cells with acetate

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Product

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Influence of the aqueous solution composition on the morphology of Zn_1−xMg_xO films deposited by spray pyrolysis

Influence of the aqueous solution composition on the morphology of Zn_1−xMg_xO films deposited by spray pyrolysis