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Scholarly articles for Tantalum Pentoxide thin films in photovoltaic devices
Tantalum oxide as an efficient alternative electron … - ‎Deo - Cited by 16 … tantalum pentoxide-doped niobium pentoxide thin films - ‎Pehlivan - Cited by 16 … zinc oxide–tantalum pentoxide blend coatings as … - ‎Sivaraj - Cited by 7

AI Overview

Tantalum pentoxide (

cap T a sub 2 cap O sub 5

) thin films are used in photovoltaic devices for their role as anti-reflection coatings and as electron transport layers. They are deposited using techniques like magnetron sputtering, reactive sputtering, and sol-gel methods, and their performance depends on the specific application, with high transmittance and suitable band gaps being key properties.

Functions in photovoltaic devices

Anti-reflection coatings:
$cap T a sub 2 cap O sub 5$
can be applied to the surface of solar cells to minimize light reflection and maximize light absorption, improving efficiency.
Electron transport layers: In devices like perovskite solar cells,
$cap T a sub 2 cap O sub 5$
can be used as a material that facilitates the extraction of electrons from the light-absorbing layer and suppresses the recombination of charge carriers.
Hydrophobic layers: By partially substituting
$cap T a sub 2 cap O sub 5$
with other materials like ZnO, hydrophobic (water-repellent) properties can be added to the top glass layer of solar cells to prevent efficiency losses from dust accumulation.

Optical properties:
$cap T a sub 2 cap O sub 5$
has a wide band gap (around
$3.2$
eV) and high transparency in the visible spectrum (380–750 nm).

Electrical properties: It acts as an n-type semiconductor and can have a low absorption coefficient below its fundamental absorption edge.

Mechanical properties: Thin films can exhibit high hardness, chemical stability, and good adhesion to substrates.

Hydrophobicity: By tuning the composition, films can be made hydrophobic, improving long-term performance in real-world conditions.

Magnetron sputtering: A common technique for depositing
$cap T a sub 2 cap O sub 5$
films onto various substrates like glass and silicon.
Sol-gel process: An alternative method, sometimes combined with photo-irradiation, that allows for the fabrication of films at lower temperatures.
E-beam evaporation: This technique can produce thin layers with good electrical properties, uniformity, and adhesion.
Other methods: Other techniques include pulsed laser deposition (PLD) and reactive DC magnetron sputtering.

Abstract. Ta2O5 thin films were deposited onto monocrystalline silicon surfaces by magnetron reactive sputtering. When the Ta2O5 f...

ScienceDirect.com

Feb 22, 2024 — Abstract. Photovoltaic (PV) solar panels suffer from efficiency losses due to the accumulation of dust on their surfac...

MDPI

Feb 24, 2022 — Abstract. Electron transporting layers facilitating electron extraction and suppressing hole recombination at the cath...

National Institutes of Health (.gov)

But, it always leads to some defects such as segregation of materials, coarse grains, precipitation which is not beneficial for th...

ScienceDirect.com

Abstract. Recently, interest in the sol-gel method has been increasing, especially in preparing dielectric thin films with high di...

ScienceDirect.com

Jan 14, 2019 — * Experimental procedure. The tantalum pentoxide (Ta2O5) thin film was deposited onto Corning Glass (CG), n-type Si (1...

ScienceDirect.com

Tantalum Pentoxide thin films in photovoltaic devices. categories. Metallurgy. Non-ferrous. Ferro Alloys. Ferro Vanadium. Ferro Mo...

www.fitechem.com

Jun 30, 2013 — Most of the methods employed for the synthesis of tantalum pentoxide and tantalum silicate thin films involve the use ...

ScienceDirect.com

Oct 12, 2011 — Abstract. Tantalum oxide thin films were prepared by using reactive dc magnetron sputtering in the mixed atmosphere of...

ScienceDirect.com

This novel tantalum oxyfluoride material is super hydrophobic, ultra-transparent within the visible spectrum, and possesses adequa...

ScienceDirect.com

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Hydrophobic and Transparent Tantalum Pentoxide-Based ...

MDPI

https://www.mdpi.com › ...

MDPI

https://www.mdpi.com › ...

by OC Mocioiu2024Cited by 3 — The implementation of light management textures in thin film solar cells often simultaneously causes an unwanted deterioration of electronic performance [27,28, ...

Tantalum pentoxide (Ta2O5) thin films for advanced ...

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

by C Chaneliere1998Cited by 926 — We show how Ta2O5 has been employed as an antireflection coating, insulating layer, gate oxide, corrosion resistant material, and sensitive layer in a wide ...

Tantalum Oxide as an Efficient Alternative Electron ...

National Institutes of Health (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC8912079

National Institutes of Health (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC8912079

by M Deo2022Cited by 16 — Ta2O5-ZnO composite film has been used as a cathodic buffer layer for inverted polymer solar cells to get enhanced efficiency [39]. In an ...

Tantalum Pentoxide thin films in photovoltaic devices

fitechem.com

https://www.fitechem.com › tag › tantalum-pentoxide-t...

fitechem.com

https://www.fitechem.com › tag › tantalum-pentoxide-t...

Tantalum pentoxide (Ta2O5) is usually a white microcrystalline powder, and high-purity products appear snow white. Soluble in molten potassium bisulfate and ...

(PDF) Hydrophobic and Transparent Tantalum Pentoxide ...

ResearchGate

https://www.researchgate.net › publication › 37845529...

ResearchGate

https://www.researchgate.net › publication › 37845529...

Oct 12, 2025 — The efficiency can be increased when hydrophobic films are deposited on the top glass of the solar cells. The top glass of solar cells must have ...

Growth and characteristics of tantalum oxide thin films ...

AIP.ORG

https://pubs.aip.org › aip › jap › article › Growth-and-c...

AIP.ORG

https://pubs.aip.org › aip › jap › article › Growth-and-c...

by R Vladoiu2010Cited by 24 — The properties of the Ta 2 O 5 films are found to depend on the deposition technique used, processing conditions and postprocessing treatments.

Wide spectral range optical characterization of tantalum ...

Optica Publishing Group

https://opg.optica.org › abstract

Optica Publishing Group

https://opg.optica.org › abstract

Ta2O5 thin films are widely employed in multilayer interference coatings and devices [5–9] due to their high refractive index, wide optical transparency, and ...

Thin tantalum pentoxide films deposited by photo-induced ...

Springer

https://link.springer.com › Applied Physics A

Springer

https://link.springer.com › Applied Physics A

by JY Zhang2000Cited by 11 — We report the growth of thin tantalum pentoxide films on Si (100) by ultraviolet-assisted injection liquid source (UVILS) chemical vapor deposition (CVD) at ...

Employing zinc oxide–tantalum pentoxide blend coatings ...

Indian Academy of Sciences

https://www.ias.ac.in › public › Volumes › boms

Indian Academy of Sciences

https://www.ias.ac.in › public › Volumes › boms

PDF

by S SIVARAJ2023Cited by 7 — Optically transparent zinc oxide and tantalum pentoxide thin surface films were deposited on front surface of polycrystalline silicon solar cell in the presence ...

9 pages

Annealing effects on the optical and electrochemical ...

SciOpen

https://www.sciopen.com › article

SciOpen

https://www.sciopen.com › article

by REN Wei2021Cited by 40 — Tantalum pentoxide (Ta2O5) has attracted intensive attention due to their excellent physicochemical properties. Ta2O5 films were synthesized ...

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Scholarly articles for Tantalum Pentoxide thin films in photovoltaic devices

AI Overview

Hydrophobic and Transparent Tantalum Pentoxide-Based ...

Tantalum pentoxide (Ta2O5) thin films for advanced ...

Tantalum Oxide as an Efficient Alternative Electron ...

Tantalum Pentoxide thin films in photovoltaic devices

(PDF) Hydrophobic and Transparent Tantalum Pentoxide ...

Growth and characteristics of tantalum oxide thin films ...

Wide spectral range optical characterization of tantalum ...

Thin tantalum pentoxide films deposited by photo-induced ...

Employing zinc oxide–tantalum pentoxide blend coatings ...

Annealing effects on the optical and electrochemical ...

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