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Key Documents

793353

Sigma-Aldrich

Tungsten oxide (WO3-x) nanoparticle ink

Synonyme(s) :

Avantama P-10, Nanograde P-10, Tungsten oxide nanoparticle dispersion, Tungsten oxide suspension, WO3 dispersion, WO3 ink

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About This Item

Formule linéaire :
WO3-x
Code UNSPSC :
12352103
Nomenclature NACRES :
NA.23

Forme

dispersion

Niveau de qualité

100

Concentration

2.5 wt. % in 2-propanol

Taille des particules

<50 nm (BET)

Densité

0.7992 g/mL at 25 °C

Catégories apparentées

Description générale

This WO3-x nanoparticle ink is for slot-dye, spin-coating and doctor blading for the use as hole transport layer in printed electronics. Tungsten oxide nanoparticle ink is a hole-selective interface layer ink based on a colloidal suspension of tungsten oxide (WO3) nanoparticles in isopropanol. The average size of WO3 particle is optimized around 12-16 nm. Tungsten oxide nanoparticle exhibits high work function, processability and easy layer formation on hydrophilic as well as hydrophobic substrates.This WO3-x nanoparticle ink is universally applicable in normal and inverted architecture solar cells.
Annealing temperature <100°C.

Application

WO3 nanoparticle ink can be applied in OPV cells as hole extraction layer (HEL) materials. Tungsten oxide nanoparticle ink can be mixed with PEDOT:PSS formulations in order to fine tune electronic and morphological dry layer properties (e.g. conductivity, surface roughness or layer porosity).

Autres remarques

Prior to application: Ultrasonicate and (optionally) filter through 0.45 μm PTFE filter
Working conditions: Application and film drying under nitrogen (or low humidity)
Post-treatment: Annealing of deposited WO3-x films at 80°C - 120°C

Informations légales

Product of Avantama Ltd.

Pictogrammes

FlameExclamation mark
GHS02,GHS07

Mention d'avertissement

Danger

Mentions de danger

H225,H319,H336

Conseils de prudence

P210 - P305 + P351 + P338

Classification des risques

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Organes cibles

Central nervous system

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

53.6 °F - closed cup

Point d'éclair (°C)

12 °C - closed cup

Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Inverted structure organic photovoltaic devices employing a low temperature solution processed WO3 anode buffer layer
Christoph J. Brabec; et al.
Organic Electronics, 13(11), 2479-2484 (2012)
High Fill Factor Polymer Solar Cells Incorporating a Low Temperature Solution Processed WO3 Hole Extraction Layer
Christoph J. Brabec; et al.
Advanced Energy Materials, 2, 1433-1438 (2012)
Lin Zhou et al.
Scientific reports, 9(1), 8778-8778 (2019-06-21)
This paper presents perovskite solar cells employed with WO3 nanoparticles embedded carbon top electrode. WO3 nanoparticles works as an inorganic hole-transport material (HTM) to promote the hole-extraction in the perovskite/carbon interface as revealed by efficiency, electrochemical impedance and external quantum
A universal method to form the equivalent ohmic contact for efficient solution-processed organic tandem solar cells
Journal of Material Chemistry A, 2, 14896?14902-14896?14902 (2014)
Flexible organic tandem solar modules with 6% efficiency: combining roll-to-roll compatible processing with high geometric fill factors
Energy & Environmental Science, 7, 3284?3290-3284?3290 (2014)
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