Nanocrystalline cerium oxide films as a functional material for photodetectors of bioluminescent signal

2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO) Pub Date : 2013-04-16 DOI:10.1109/ELNANO.2013.6552034

N. Maksimchuk, A. Borisov

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引用次数: 2

Abstract

Photosensitive nanocrystalline cerium oxide films (CeOx-films) have been obtained. Physical properties of the thin CeOx-films have been studied for the purpose of their application as a functional material of new type of photodetectors for bioluminescence registration. Through changing microstructure, morphology and composition of the films we have determined the main principles of their physical properties control. The influence of technological factors on the photoelectrical, optical, temperature and electrophysical properties of the cerium oxide films has been studied. On the basis of the synthesized nanocrystalline CeOx-films obtained by the "explosive evaporation" method we have developed new types of photodetectors for registration of bioluminescent signal (photoresistors and photodiodes) with enhanced photosensitivity (310-330 μA/lm·V) in the visible spectrum. Photoresistors and photodiodes with CeOx-films allowed us to create a new type of bioluminescent sensor based on the effective semiconductor photodetectors. Such photodetectors haven't disadvantages typical for photomultiplier tubes and avalanche photodiodes.

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纳米氧化铈薄膜作为生物发光信号光电探测器的功能材料

制备了光敏纳米氧化铈薄膜(ceox膜)。研究了ceox薄膜的物理性质，以期将其作为新型生物发光配准光电探测器的功能材料。通过改变薄膜的微观结构、形貌和组成，确定了控制薄膜物理性能的主要原理。研究了工艺因素对氧化铈薄膜光电、光学、温度和电物理性能的影响。在“爆炸蒸发”法制备的纳米氧化铈薄膜的基础上，我们研制了新型的光敏度(310 ~ 330 μA/lm·V)更高的生物发光信号配准光电探测器(光敏电阻和光电二极管)。利用ceox薄膜的光敏电阻和光电二极管使我们能够在有效的半导体光电探测器的基础上创造一种新型的生物发光传感器。这种光电探测器没有光电倍增管和雪崩光电二极管的典型缺点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO)

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