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首页> 外文期刊>Journal of Sol-Gel Science and Technology >Sol-Gel Encapsulation of Molecules to Generate Functional Optical Materials:A Molecular Programming Approach
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Sol-Gel Encapsulation of Molecules to Generate Functional Optical Materials:A Molecular Programming Approach

机译：分子溶胶-凝胶封装产生功能光学材料的分子编程方法

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摘要

The extraordinary opportunities offered by integrating solution chemistry of molecular entities with the solid-state nature of the gel provide the basis for designing a number of novel molecular materials.Herein,we present a strategy based on encapsulation of suitable response active species to impart useful optical properties to sol-gel glasses.The basic concept of this molecular programming approach is based on deliberate incorporation of response-active species in the silica gel framework to elicit specific optical responses.Design of molecular materials for device applications depends on selection of molecules which exhibit well-defined electronic or optical response,and assembly of these molecular components into a geometric structure that retains the rigidity,addressability,and stability necessary for practical applications.The approach is based on using molecules as active species and sol-gel glass as structural matrix in which the molecules are selectively integrated.A designer approach that employs specific molecules for generating optical signals is described.As such the properties of these silica-based glasses can be tuned by varying the composition of encapsulated species.These modified glasses exhibit substantially altered optical properties as compared to pristine silica sol-gels.The optical response of these materials provide initial examples toward designing novel materials whose optical and/or photonic responses can be modulated by structural integration of specific dopant entities.
机译：通过将分子实体的溶液化学与凝胶的固态性质相结合所提供的非同寻常的机会，为设计多种新型分子材料提供了基础。在此，我们提出了一种基于适当响应活性物质的封装以赋予有用的光学特性的策略。这种分子程序设计方法的基本概念是基于在硅胶框架中故意掺入响应活性物质以引发特定的光学响应。用于设备应用的分子材料的设计取决于对具有分子结构的分子的选择明确定义的电子或光学响应，并将这些分子成分组装成几何结构，以保留实际应用所需的刚性，可寻址性和稳定性。该方法基于使用分子作为活性物质和溶胶-凝胶玻璃作为结构基质在其中分子被选择性地整合。设计师描述了采用特定分子产生光信号的方法。因此，可以通过改变包封物质的组成来调节这些基于二氧化硅的玻璃的性质。与原始二氧化硅溶胶-凝胶相比，这些改性的玻璃表现出显着改变的光学性质。这些材料的光学响应为设计新颖的材料提供了初始示例，这些材料的光学和/或光子响应可以通过特定掺杂剂实体的结构整合来调节。

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