Ink Jet Printing of Microdot Arrays of Mesostructured Silica

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We report a process for preparing microdot arrays of SiO2 from a tetraethoxysilane precursor containing either a cationic (CTAB) or non-ionic surfactant. Controlling the ink jet deposition parameters and precursor hydrolysis made it possible to obtain mesoporous silica with a Pm3n cubic structure, using CTAB, or an Fmmm orthorhombic structure, using a non-ionic surfactant. The addition of hydrophobic organosilane F3C(CF2)5CH2CH2Si(OC2H5)3 leads to the most regular and best-defined three-dimensional microdot array with a constant diameter of 155 m and a regular space of 250 m.

Document Type: Research Article


Affiliations: 1: Ecole Nationale Supérieure de Céramique Industrielle, Laboratoire Science des Procédés Céramiques et de Traitements de Surface, 87650 Limoges Cedex, France 2: Laboratoire de Chimie de la Matière Condensée, UPMC, 75252 Paris Cedex 05, France 3: CERADROP—ESTER Technopole, BP 6935, 87069 Limoges, France

Publication date: June 1, 2006

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