石墨烯

因此，用固态源在低温下CVD生长石墨烯，比用气相源更具有优势。

Therefore , the CVD growth route using solid carbon sources is superior than using gaseous ones at low temperatures .

石墨烯（graphene）与金属复合纳米材料的制备及其应用是目前石墨烯研究领域的一个研究重点。

Fabrication and application of graphene and metal nanocomposites have become a focus in the field of graphene research .

石墨烯（Graphene）是指一种具有2维sp2杂化结构的碳片层的总称。

Graphene is a kind of carbon materials which has a two-dimensional sheet of sp2-hybridized structure .

石墨烯（graphene）具有单层石墨结构和优异的机械及电子传输特性，成为近年来物理和化学研究的热点。

Graphene with single layer graphite structure and excellent mechanical and electrical properties has draw much attention in recent years .

石墨烯（graphene）是一种具有二维平面结构的新型碳纳米材料，它特殊的单原子层结构使其具有许多独特的物理和化学性质。

Graphene , a two-dimensional new carbon material with single atomic layer , has many unique physical and chemical properties .

石墨烯（graphene）是单原子厚度的碳原子层，其结构与展开的碳纳米管相似。

Graphene is a layer of carbon atoms with the thickness of a single atom . Its structure is similar to that of carbon nanotube .

石墨烯（graphene）是一种单层碳原子蜂窝结构，因其特殊的结构和物理性质已成为凝聚态和材料研究领域的热点之一。

Graphene ( single layer of carbon atoms ) has been becoming one of the most hottest system because its special structure and the physical property .

主要工作如下：1.通过本课题组改进了的氧化还原法制备出氧化石墨烯（GO）和石墨烯（RGO）。

The dissertation is mainly focused on : 1 . An improved method for preparation of graphene oxide ( GO ) and reduced graphene ( RGO ) by our group .

我们使用简单的溶液共混方法制备出石墨烯／再生纤维素复合膜，使用了X射线衍射、傅立叶变换红外光谱、扫描电子显微镜和力学测试仪对复合膜的结构和力学性能进行了测试。

We present the preparation of graphene / RC composites through solution blending . The structure and mechanical properties of the composite films were investigated by X-ray diffraction , Fourier-transform infrared spectroscopy , scanning electron microscopy , and mechanical testing , respectively .

碳纳米管（CNTs）和石墨烯（Graphene）都是碳原子sp2杂化结构的新型纳米炭材料，它们由于具有优异的物化性能有望在各个领域得到广泛的应用。

Carbon nanotubes ( CNTs ) and graphene are sp2 hybridized carbon nanostructures which will make possible new applications in many fields duo to their extraordinary physical and chemical properties .

主要内容如下：（1）作者分别利用氧化还原的方法和超声波剥离的方法制备出石墨烯纳米片（GNs）。

The main contents are as follows : ( 1 ) GNs were prepared respectively with oxidation-reduction method and ultrasonic peeling method .

金融市场行为监管局（FinancialConductAuthority，FCA）今天将在其网站上发布警告称，无良的经纪商似乎利用了与石墨烯有关的炒作，拿石墨烯未来的不确定性引诱消费者投资。

The Financial Conduct Authority will today post warnings on its website relating to unscrupulous brokers who appear to be taking advantage of the hype surrounding graphene and are using uncertainty about its future as a way to entice consumers to invest .

为了比较，采用自制的微波-等离子体增强化学气相沉积（M-PECVD）反应器制备了迷宫状的垂直取向石墨烯（MVG）。

Maze-like vertically-oriented graphene ( MVG ) was grown with a home-made surface mode microwave-PECVD reactor for comparison . 2 .

采用共沉淀法合成了镍-铁层状双氢氧化物／石墨烯（Ni-FeLDH/GNS）杂化材料，并且制备了Ni-FeLDH/GNS阻燃环氧树脂纳米复合材料。

Ni-Fe layered double hydroxide / graphene ( Ni-Fe LDH / GNS ) hybrid material was successfully synthesized by a co-precipitation route , and then incorporated into epoxy resins .

我们的结果表明，气相反应与气相动力学在CVD生长石墨烯的过程中起到很重要的作用。

Our results suggest that the gas-phase reactions and dynamics are critical for the CVD growth of graphene , and further demonstrate that the graphene thickness from the CVD growth can be fine tuned by controlling the gas-phase dynamics .

石墨烯（graphene）因其特殊的结构和性能，自2004年被成功制备以来，迅速成为凝聚态物理、材料、化学、信息和生物技术等学科领域的交叉研究热点。

Owing to the peculiar structure and characters , graphene has been an intercross hotspot in various areas , such as Physics , Materials , Chemistry , Information , Biotechnology and other field since it was exploited successfully in 2004 .

其中，石墨烯（Gra）作为一种理想的材料，由于其优异的物理化学性能，如大的比表面积、好的导电性和易于功能化等，已经得到广泛的应用。

Thereinto , graphene ( Gra ) as an ideal base has been widely applied due to the unique physical and chemical properties , such as high surface area , excellent conductivity and ease of functionalization .

我们用基于范德华修正密度泛函理论（vdW-DFT2）研究了不同芘基衍生物在石墨烯表面和处于石墨烯间与石墨烯的相互作用能。

Van der Waals corrected first-principles approach within density functional theory ( vdW-DFT2 ) was used to investigate the interaction energy of different pyrene-derivatives on graphene and inside the two graphene .

石墨烯、石墨烯/碳纳米管的制备及其超级电容器性能研究

Preparation and Supercapacitor Properties of Graphene 、 Graphene / Carbon Nanotubes

我们通过原位聚合法合成了聚吡咯-聚苯乙烯磺酸钠/石墨烯（PPy-PSS/RGO）复合材料。

We prepared the PPy-PSS / RGO composites by in-situ polymerization .

我们分别通过一步还原法和两步还原法制备了低载铂量的铂/石墨烯（Pt/RGO）复合材料。

We prepared low Pt loading graphene composites by one-step and two-step reduction process in graphene dispersions respectively .

石墨烯因为其独特、优异的机械、电导以及物理性质而有着非常广泛的应用。

Graphenes provide numerous possibilities for applications due to their unique and superior mechanical , electrical and physical properties .

以表面活性剂PEG.600作为钝化试剂，开发了一种简单的水热法一步合成荧光石墨烯。

A simple hydro thermal method was developed for preparation of photoluminescent graphene using surfactant PEG-600 as passivation reagent .

因为特殊的电学和力学性能碳家族材料受到了广泛关注，尤其是氧化石墨烯和石墨烯。

Carbon family has recently attracted increasing attention for its especial electronic and mechanical properties , especially graphene oxide and graphene .

作为对比，我们用气态甲烷在不同温度下生长石墨烯。

For comparison , we attempted to grow graphene also from gaseous source ( methane ) at various temperatures , respectively .

本文正基于此现状准备对石墨烯、氧化石墨烯的电化学性质进行比对研究。

In this paper , the electrochemical properties of the graphene with the GO were compared based on the status quo . 1 .

先进的碳材料如石墨烯、碳纳米管、碳纳米纤维等作为超级电容器的电极材料已经被深入研究了数十年了。

Some advanced carbon materials such as graphenes , carbon nanotubes , carbon nanofibers have been deeply investigated in decades as supercapacitor electrode materials .

高质量的材料是实现新物理和新应用的载体，因而石墨烯的材料制备也成为石墨烯研究中的重要问题。

The realization of novel physics and applications relies on high-quality materials . Accordingly , the preparation of graphene has emerged as an important issue in graphene research .

这些出众的特点使石墨烯在许多领域具有广泛的应用前景，如高性能复合材料、透明导电薄膜、传感器、纳米电子元件及储能器件等。

These outstanding and intriguing features make this extremely versatile carbon material promising for various practical applications , including high-performance nanocomposites , transparent conducting films , sensors , nanoelectronics and energy storage devices .

论文首先制备了三种不同氧化-还原程度的石墨烯，然后将所得的石墨烯与苯胺在不同体系下进行原位聚合，制备出具有导电纤维桥连的石墨烯／聚苯胺复合材料。

Herein , three kinds of graphene oxides with different oxidation-reduction digree have been prepared . Their composites combined with polyaniline are synthesized via an in-situ polymerization , and exhibit the morphology of conducting fiber bridged structure .