首页> 外文会议>International Instrumentation Symposium; 20070430-503; Tulsa,OK(US) >CHARACTERIZATIONS IN SEMICONDUCTOR NANOCRYSTAL SENSORS
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CHARACTERIZATIONS IN SEMICONDUCTOR NANOCRYSTAL SENSORS

机译:半导体纳米传感器的特性

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Highly luminescent semiconducting nanocrystals (e.g., 3-8 nm CdSe/ZnS) are an attractive component in a variety of sensor technologies. Some of the more notable features of these nanocrystals, often called quantum dots, are their photostability, long luminescence lifetime, and emission tunability over a large range while requiring only a single excitation frequency. However, before one can capitalize on the photophysical attributes of quantum dots, their incorporation into integrated sensor systems must be developed. For this to be successful, specialized analytical instrumentation must be employed that are capable of multifaceted characterizations on the nanometer scale. In this presentation, some of these instrumental technologies and their challenges will be discussed as they apply to quantum dot sensors. From this basic research, it is anticipated that more effective developments can be made towards using quantum dot sensors in a variety of chemical, biological, and medical systems.
机译:高发光的半导体纳米晶体(例如3-8 nm CdSe / ZnS)是各种传感器技术中有吸引力的组件。这些纳米晶体的一些更显着的特征(通常称为量子点)是它们的光稳定性,长的发光寿命以及在大范围内的发射可调性,而只需要一个激发频率。但是,在人们可以利用量子点的光物理属性之前,必须先将其整合到集成的传感器系统中。为使此成功,必须使用能够在纳米尺度上进行多方面表征的专用分析仪器。在本演示中,将讨论其中的一些仪器技术及其面临的挑战,因为它们将应用于量子点传感器。通过该基础研究,可以预期,在各种化学,生物和医学系统中使用量子点传感器都可以取得更有效的发展。

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