Rare earth/organic dye nanocomposites by the sol-gel method

Eric P. Bescher, John D. Mackenzie, Tomoko Ohtsuki, Nasser N Peyghambarian

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


This paper describes the processing of rare-earth/organic dye composites fabricated via three different sol-gel routes. In the first approach, low hydroxyl ormosil matrices were fabricated via reaction of a methyl-modified silicon halide with tertiary alcohol and subsequently doped with erbium iodide and a near-infrared dye. In the second approach, gels were made from tetramethoxysilane and doped with erbium complexes and dyes. In the third approach, a hybrid siloxane method was used. No Er3+ luminescence at 1.55 mm was observed in any of the three cases, mainly due to the strong absorption of the matrices centered around 1.4 mm. Fluorescence of Er3+ in the visible was observed in the first matrice, but no dye luminescence was detected. Dye luminescence was observed in the second type matrix, along with some reabsorption of the dye luminescence by Er3+. In the third approach, neodymium exhibited optical activity in the near infrared, as well as the dye.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposium - Proceedings
PublisherMaterials Research Society
Number of pages5
Publication statusPublished - 1994
Externally publishedYes
EventProceedings of the 1994 MRS Symposium - San Francisco, CA, USA
Duration: Apr 4 1994Apr 8 1994


OtherProceedings of the 1994 MRS Symposium
CitySan Francisco, CA, USA


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Bescher, E. P., Mackenzie, J. D., Ohtsuki, T., & Peyghambarian, N. N. (1994). Rare earth/organic dye nanocomposites by the sol-gel method. In Materials Research Society Symposium - Proceedings (Vol. 351, pp. 135-139). Materials Research Society.