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Citation: Yan Feng, Hong Yao Xu, Wang Yan Nie, Jia Yin Ying. Synthesis and characterization of luminescent organic-inorganic hybrid nanocomposite from polyhedral oligomeric silsesquioxane[J]. Chinese Chemical Letters, ;2010, 21(6): 753-757. doi: 10.1016/j.cclet.2009.12.027 shu

Synthesis and characterization of luminescent organic-inorganic hybrid nanocomposite from polyhedral oligomeric silsesquioxane

a School of Chemistry and Chemical Engineering & Key Laboratory of Environment-friendly Polymer Materials of Anhui Province, Anhui University, Hefei 230039, China;
b College of Material Science and Engineering & State Key Laboratory of Chemical Fibers and Polymeric Materials Modification, Donghua University, Shanghai 201620, China

Received Date: 31 August 2009

Fund Project: This research was financially supported by the National Natural Science Fund of China (Nos. 90606011 and 50472038), Ph.D. Program Foundation of Ministry of Education of China (No. 20070255012), Shanghai Leading Academic Discipline Project (No. B603), the Program of Introducing Talents of Discipline to Universities (No. 111-2-04) and Open Project of the State Key Laboratory of Crystal Materials (No. KF0809), Youth Scientific Research Fund of Anhui University and the Excellent Youth Fund in University of Anhui Province (No. 2008jq1020).

A novel polyhedral oligomeric silsesquioxane (POSS)-based organic-inorganic hybrid nanocomposite (EF-POSS) was prepared by Pt-catalyzed hydrosilylation reaction of octahydridosilsesquioxane (T₈H₈, POSS) with a luminescent substituted acetylene (2-ethynyl-7-(4-(4-methylstyryl) styryl)-9,9-dioctyl-9H-fluorene (EF)) in high yield. The hybrid nanocomposite was soluble in common solvents such as CH₂Cl₂, CHCl₃, THF and 1,4-dioxane. Its structure and property were characterized by FTIR, NMR, TGA, UV and PL, respectively. The results show that the hybrid nanocomposite with high thermal stability emits stable blue light as a result of photo excitation and possesses high photoluminescence quantum efficiency (φ_FL).
- POSS,
- Organic-inorganic hybrid nanocomposite,
- Photoluminescence,
- Thermal stability
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