Journal of Sol-Gel Science and Technology

, Volume 81, Issue 2, pp 593–599 | Cite as

Novel fluorescent terphenyl bridged crystalline silsesquioxane through self-directed assembly

Original Paper: Sol-gel and hybrid materials for optical, photonic and optoelectronic applications


A novel silsesquioxane hybrid crystal was synthesized by a facile synthesis and purification process without any structure-directing agent. fourier transform-infrared spectoscopy, X-ray diffraction, scanning electron microscopy, transmission electron microscopy, 13C, 29Si solid-state nuclear magnetic resonance spectroscopy and photoluminescence spectroscopy were employed to characterize the obtained material. X-ray diffraction and transmission electron microscopy revealed the well-ordered features with lamellar spacings in the bridged silsesquioxanes. In addition, the formation of crystalline bridged polysilsesquioxanes with well-organized structure was attributed to self-assembly of the intermolecular hydrogen bonding between the urea groups. Interestingly, the introduction of photoactive terphenyl chromophore into silsesquioxane made bridged polysilsesquioxanes exhibit special fluorescent properties, which could provide a way to fabricate new nanomaterial.

Graphical Abstract

We successfully synthesized a novel crystalline hybrid bridged polysilsesquioxanes (BPS) with well-ordered features arising from the self-assembling of the precursors. Interestingly, the introduction of photoactive terphenyl chromophore into silsesquioxane made hybrid material BPS exhibit bright blue emission. Open image in new window


Bridged silsesquioxanes Terphenyl Sol–gel Fluorescence Hydrogen bonds Self-assembly 



This work was financially supported by the National Natural Science Foundation of China (21502039, 21271060, 21171046), the Natural Science Foundation of Hebei Province (No. B2016202147, B2016202149), Educational Committee of Hebei Province (LJRC021, QN2015172).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.School of Chemical Engineering and TechnologyHebei University of TechnologyTianjinP. R. China

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