An approach for preparation of porous silicon/rare earth hybrid — Immersion method

Xiaoxia Zhang; Ning Chen; Jianxin Shi; Menglian Gong; Jianhua Zhang; Di Wang

doi:10.1007/s11595-009-6970-8

Journal of Wuhan University of Technology Materials Science Edition ›› 2009, Vol. 24 ›› Issue (6) : 970 -972. DOI: 10.1007/s11595-009-6970-8

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An approach for preparation of porous silicon/rare earth hybrid — Immersion method

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Abstract

A simple but effective doping method, immersion method, was presented. Rare earth complexes [Na₃Tb(DPA)₃·9H₂O and Na₃Eu(DPA)₃·9H₂O] were introduced into porous silicon (PS), where H₂DPA is 2,6-dicarboxy pyridine acid. Rare earths were proved to dope into PS effectively by photoluminescence (PL) and X-ray energy dispersive spectroscopy (EDS). And the prepared hybrid samples of PS/RE were found to emit intense room-temperature red and green luminescence while the luminescence of porous silicon are almost thoroughly quenched.

Keywords

porous silicon / rare earth complex / immersion / photoluminescence

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Xiaoxia Zhang, Ning Chen, Jianxin Shi, Menglian Gong, Jianhua Zhang, Di Wang. An approach for preparation of porous silicon/rare earth hybrid — Immersion method. Journal of Wuhan University of Technology Materials Science Edition, 2009, 24(6): 970-972 DOI:10.1007/s11595-009-6970-8

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