基于石墨烯的光电探测传感器研究毕业论文+开题报告+文献综述

摘要：本文论述了石墨烯电化学和生物传感器的研究进展,包括石墨烯的直接电化学基础､石墨烯对生物小分子的电催化活性､石墨烯酶传感器､基于石墨烯薄膜和石墨烯纳米带的实用气体传感器(可检测o2､co和no2)､石墨烯dna传感器和石墨烯医药传感器(可用于检测扑热息痛)｡

因此,在电化学领域,石墨烯就有了大展身手的机会｡石墨烯在电化学传感器上的应用有以下优点:体积小,表面积大；灵敏度高；响应时间快；电子传递快；易于固定蛋白质并保持其活性；减少表面污染的影响｡

关键词　石墨烯，光电探测传感器，合成， 应用；

Abstract:In this paper, the research progress of graphene electrochemistry and biosensors is reviewed. These include the direct electrochemical basis of graphene, the electrocatalytic activity of graphene to small biomolecules, graphene enzyme sensors, and practical gas sensors based on graphene films and graphene nanoribbons (can be used to detect O2, co and no2). , graphene dna sensors and graphene pharmaceutical sensors (can be used to detect paracetamol).

The applications of graphene in electrochemical sensors have the following advantages: small size, large surface area, high sensitivity, fast response time, fast electron transfer, and high sensitivity in the field of electrochemistry, the application of graphene in electrochemical sensors has the following advantages: small size, large surface area, high sensitivity, fast response time, fast electron transfer, and so on. It is easy to immobilize proteins and keep them active; reduces the effects of surface contamination.

Key words graphene；photoelectric sensor； synthesis；application；

目  录

摘要 I

Abstract II

目  录 III

一、引言 4

二、国内外学者的理论回顾 2

三、石墨烯的制备方法 3

（一）微机械剥离法 3

（二）晶体外延生长法 3

（三）胶体悬浮液法 3

（四）小结 3

四、光电探测传感器研究 5

（一）石墨烯光伏型光探测传感器 5

（二）石墨烯光热电型光探测传感器 7

（三）石墨烯/半导体复合光探测传感器 9

（四）小结 10

五、光电探测传感器的实现 11

（一）光电探测传感器的基本原理 11

1.光电探测传感器件输出的电信号 11

2.表示时间响应特性有两种方法 11

（二）光电探测传感器的设计 11

（三）小结 12

结  论 13

参考文献 14