Preparation of chemosensor materials based on silica nanoparticles with covalently anchored fluorophores by inkjet printing


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Samples of sensor layers containing a mixture of spherical silica gel microparticles and spherical macromolecular silica sol nanoparticles have been prepared by inkjet printing. The average diameter of microparticles is 5 μm; nanoparticles about 100 nm in diameter contain covalently anchored fluorophore, dibenzoylmethane boron difluoride (DBMBF2), on the surface. The microstructure of the layers is shown to considerably affect the availability of the fluorophore indicator for gas-phase analyte molecules of the methylbenzene group. The sensitivity of the sensor layers is shown to reach 0.5 ppm with a response time of about 100 s.

作者简介

M. Alfimov

Photochemictry Research Center

Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Novatorov 7А/1, Moscow, 119421

D. Ionov

Photochemictry Research Center

编辑信件的主要联系方式.
Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Novatorov 7А/1, Moscow, 119421

G. Yurasik

Photochemictry Research Center

Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Novatorov 7А/1, Moscow, 119421

S. Molchanov

Photochemictry Research Center

Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Novatorov 7А/1, Moscow, 119421

V. Sazhnikov

Photochemictry Research Center

Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Novatorov 7А/1, Moscow, 119421

V. Aristarkhov

Photochemictry Research Center

Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Novatorov 7А/1, Moscow, 119421

Yu. Kononevich

Nesmeyanov Institute of Organoelement Compounds

Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Vavilova 28, Moscow, 119991

I. Meshkov

Enikolopov Institute of Synthetic Polymeric Materials

Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Profsoyuznaya 70, Moscow, 117393

N. Voronina

Enikolopov Institute of Synthetic Polymeric Materials

Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Profsoyuznaya 70, Moscow, 117393

A. Muzafarov

Nesmeyanov Institute of Organoelement Compounds; Enikolopov Institute of Synthetic Polymeric Materials

Email: dmitriy.ionov@gmail.com
俄罗斯联邦, ul. Vavilova 28, Moscow, 119991; ul. Profsoyuznaya 70, Moscow, 117393

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