Water colloids of indium oxide were synthesized by laser ablation in liquids (LAL). TEM measurements have shown the formation of indium oxide nanoparticles with a bimodal distribution, consisting mainly of particles of small diameters (2-5 nm) accompanied by larger nanoparticles (about 10-20 nm in diameter).These colloidal solutions have been used to deposit films on interdigitated substrates in order to fabricate carbon monoxide resistive sensors. In2O3(LAL) films-based sensors have shown good performances, indicating that LAL is a very promising technique for the synthesis of metal oxide nanoparticles for gas sensing.
Gas sensing properties of indium oxide nanoparticles prepared by laser ablation in water
BARRECA, Francesco;SPADARO, salvatore;NERI, Fortunato;DONATO, Nicola;LATINO, MARIANGELA;NERI, Giovanni
2011
Abstract
Water colloids of indium oxide were synthesized by laser ablation in liquids (LAL). TEM measurements have shown the formation of indium oxide nanoparticles with a bimodal distribution, consisting mainly of particles of small diameters (2-5 nm) accompanied by larger nanoparticles (about 10-20 nm in diameter).These colloidal solutions have been used to deposit films on interdigitated substrates in order to fabricate carbon monoxide resistive sensors. In2O3(LAL) films-based sensors have shown good performances, indicating that LAL is a very promising technique for the synthesis of metal oxide nanoparticles for gas sensing.File in questo prodotto:
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