X-ray irradiation-induced formation of luminescent silver clusters in nanoporous matrices

Eduardo Coutino-Gonzalez; Didier Grandjean; Maarten Roeffaers; Kristina Kvashnina; Eduard Fron; Bjorn Dieu; Gert De Cremer; Peter Lievens; Bert Sels; Johan Hofkens

doi:10.1039/C3CC47969B

X-ray irradiation-induced formation of luminescent silver clusters in nanoporous matrices†

Eduardo Coutino-Gonzalez,^a Didier Grandjean,^b Maarten Roeffaers,^c Kristina Kvashnina,^d Eduard Fron,^a Bjorn Dieu,^a Gert De Cremer,^ce Peter Lievens,^b Bert Sels*^c and Johan Hofkens*^a

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^a Department of Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
E-mail: johan.hofkens@chem.kuleuven.be
Fax: +32 1632 7990
Tel: +32 1632 7804

^b Department of Physics and Astronomy, Laboratory of Solid State Physics and Magnetism, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium

^c Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg 23, B-3001 Leuven, Belgium
E-mail: bert.sels@biw.kuleuven.be

^d European Synchrotron Radiation Facility (ESRF), 6 Rue Jules Horowitz, BP220, 38043 Grenoble Cedex 9, France

^e DSM Ahead, Urmonderbaan 22, 6167-RD Geleen, The Netherlands

Abstract

We report the formation of luminescent silver clusters in zeolites by a fast, highly accurate, and controlled activation of silver ions entrapped in sodalite cages of LTA and FAU zeolites using high-brilliance soft X-rays. The activated luminescent samples were investigated by employing a combination of stationary and time-resolved spectroscopic techniques.

Chemical Communications

X-ray irradiation-induced formation of luminescent silver clusters in nanoporous matrices†

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X-ray irradiation-induced formation of luminescent silver clusters in nanoporous matrices

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