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A platform for research: civil engineering, architecture and urbanism
DIRECT DEPOSITION OF MESOPOROUS METAL OXIDE THIN FILMS FOR GAS SENSING
The present disclosure provides for a deposition method for porous metal oxides in ink-jet printing, the method comprising dissolving a metal component and a templating agent in a non-aqueous solvent to form a precursor solution, ink-jet printing this precursor solution, increasing the relative humidity until at least parts of the non-aqueous solvent are evaporated and replaced with water, thereby triggering an evaporation-induced self-assembly (EISA) of the templating agent in combination with inducing condensation of the metal component, followed by increasing the temperature to at least 200 °C in order to remove the templating agent and to obtain the porous metal oxide after cooling to room temperature. It also provides for a precursor solution for ink-jet printing comprising a metal component and a templating agent in a non-aqueous solvent, wherein the precursor solution is exposed to ink-jet printing followed by a combination of evaporation-induced self-assembly (EISA) of the templating agent in combination with condensation of the metal component. It also provides a gas sensor obtained by depositing the precursor solution as defined above on an inter-digitated electrode (IDE) according to the method as defined above.
DIRECT DEPOSITION OF MESOPOROUS METAL OXIDE THIN FILMS FOR GAS SENSING
The present disclosure provides for a deposition method for porous metal oxides in ink-jet printing, the method comprising dissolving a metal component and a templating agent in a non-aqueous solvent to form a precursor solution, ink-jet printing this precursor solution, increasing the relative humidity until at least parts of the non-aqueous solvent are evaporated and replaced with water, thereby triggering an evaporation-induced self-assembly (EISA) of the templating agent in combination with inducing condensation of the metal component, followed by increasing the temperature to at least 200 °C in order to remove the templating agent and to obtain the porous metal oxide after cooling to room temperature. It also provides for a precursor solution for ink-jet printing comprising a metal component and a templating agent in a non-aqueous solvent, wherein the precursor solution is exposed to ink-jet printing followed by a combination of evaporation-induced self-assembly (EISA) of the templating agent in combination with condensation of the metal component. It also provides a gas sensor obtained by depositing the precursor solution as defined above on an inter-digitated electrode (IDE) according to the method as defined above.
DIRECT DEPOSITION OF MESOPOROUS METAL OXIDE THIN FILMS FOR GAS SENSING
DIREKTE ABSCHEIDUNG VON MESOPORÖSEN METALLOXIDDÜNNSCHICHTEN ZUR GASMESSUNG
DÉPÔT DIRECT DE FILMS MINCES D'OXYDE MÉTALLIQUE MÉSOPOREUX POUR DÉTECTION DE GAZ
DAVES WALTER (author) / PALALE SURESH (author) / ERSOEZ BORA (author)
2019-11-13
Patent
Electronic Resource
English
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