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摘要石墨烯和聚苯胺由于其自身优异的物理、化学性能可以在众多领域得到应用。聚苯胺和氧化石墨烯的复合材料近几年也被人们广泛研究。目前已报道的石墨烯或氧化石墨烯与聚苯胺的复合物分两大类：一文线与二文面的复合；二文面与二文面的复合。这类复合物因为各组分间的协同效应，具有优良的电化学性能，可作为超级电容器电极材料。已报道的制备方法有电化学原位阳极沉积法、化学原位聚合法（通常反应体系为水溶液）、微波辐射等。目前，关于石墨烯量子点/聚苯胺复合材料的研究内容很少。本毕业论文采取了两种方式合成GQDs/PANI复合物：先分别用化学方法制得石墨烯量子点以及聚苯胺纳米纤文，通过超声混合后进一步酸碱掺杂，简称“掺杂法”。二是先用化学方法制得GQDs，将GQDs引入苯胺的聚合过程中，简称“原位法”。以合成聚苯胺与石墨烯量子点高性能复合电极/探针材料为目标，利用部分还原的石墨量子点的羧基、羟基和环氧基，通过苯胺的原位聚合和机械混合，在聚苯胺中引入石墨烯量子点，获得石墨烯量子点/聚苯胺（GQDs/PANI）复合物。实验结果通过FT-IR、Raman、PL、UV、TEM等表征手段进行了检测。初步推测石墨烯量子点与聚苯胺之间可能存在三种作用形式：①静电作用，②氢键，③化学掺杂,④共轭作用。关键词 石墨烯 石墨烯量子点 聚苯胺 复合材料7953
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毕业设计说明书（论文）外文摘要
Title Controllable trim of graphene and synthesis of its composite with polyaniline
Abstract
Because of their excellent physical and chemical properties, graphene and polyaniline (PANI) are applied in many fields, respectively. Recent years, graphene oxide/PANI composite has attracted great interest.. Reports on graphene or graphene oxide /PANI complexes include two categories: combination by fiber-sheet or sheet-sheet modes. Those composites have excellent electrochemical properties due to the synergistic effect, which can be used as electrode materials for supercapacitors. Currently available methods of graphene/PANI composites include in-situ electrochemical anodic deposition, chemical in-situ polymerization (usually reaction system in aqueous solution), microwave radiation, etc. Anyway, researches on Graphene quantum dots/polyaniline (GQDs/PANI) composites remain little. In this thesis, Two routes were designed to fabricate GQDs/PANI composite： Firstly, GQDs and PANI nanofibers were prepared separately; and then GQDs/PANI was synthesized through ultrasonic method and further by doping-redoping process in acid or alkali solution. The other one is to prepare GQDs/PANI in-situ polymerization of aniline with the absence of GQDs.
For high performance composite electrode/probe materials, the partially reduced GQDs, which have some the carboxyl, hydroxyl and epoxy groups, were used in this article. By in-situ polymerization of aniline and mechanical mixture, GQDs was introduced into PANI to obtain GQDs/PANI complexes. The resulting GQDs/PANI composites were characterized by FT-IR, Raman, PL, UV, TEM, etc. According to the results, there are four possible effects between the GQDs and PANI: ① the electrostatic interaction, ②hydrogen bonds, ③ chemical doping, ④conjugation effect.
Keywords Graphene Graphene Quantum Dots Polyaniline Composite material
目 录
第一章 绪论 7
1.1 石墨烯 7
1.1.1 石墨烯简介 7
1.1.2 石墨烯的制备方法 8
1.2氧化石墨烯 8
1.2.1 氧化石墨烯简介 9
1.2.2 氧化石墨烯的制备方法 9
1.3石墨烯量子点 10
1.3.1石墨烯量子点简介 10