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国家自然科学基金(20721061)

作品数:14 被引量:34H指数:3
相关作者:宋延林王京霞邝旻翾王利彬于贵更多>>
相关机构:中国科学院北京航空航天大学更多>>
发文基金:国家自然科学基金国家重点基础研究发展计划更多>>
相关领域:理学电子电信自动化与计算机技术一般工业技术更多>>

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14 条 记 录,以下是 1-10
排序方式:
Minimizing Purifi cation-Induced Defects in Single-Walled Carbon Nanotubes Gives Films with Improved Conductivity被引量:4
2009年
A method for the non-destructive purification of single-walled carbon nanotubes(SWNTs)using classical coordination chemistry to remove the metal catalyst has been developed.In preliminary tests,the conductivity of films based on the resulting SWNTs was markedly better than that of films prepared from SWNTs purified by treatment with oxidizing acid solutions.The transparent and conducting SWNT films have potential applications in optoelectronic devices.
Yu WangLiping HuangYunqi LiuDacheng WeiHongliang ZhangHisashi KajiuraYongming Li
关键词:CONDUCTIVITYTRANSPARENCY
A new pseudo rubrene analogue with excellent film forming ability
2011年
A novel pseudo rubrene analogue,6,11-di(thiophen-2-yl)-tetracene-5,12-dione (DTTDO) was synthesized,in which two thienyl groups and two carbonyl groups replacing four phenyl groups in the rubrene molecule were connected to the backbone of tetracene.This compound was characterized by single crystal X-ray structure analysis,thermogravimetric analysis,absorption spectra and electrochemical measurements.Unlike rubrene,DTTDO exhibited excellent film forming ability by normal vacuum deposition,indicating its promising applications in organic thin film transistors.
ZHANG XiaoTaoMENG QingHE YuDongWANG ChengLiangDONG HuanLiHU WenPing
喷墨打印高精度图案研究进展被引量:17
2012年
近年来,功能材料的图案化及其在高性能光电器件的应用研究受到了广泛关注.与传统图案化方法相比,喷墨打印技术更容易实现大面积复杂图案的直接书写和复合功能材料的图案化,且制备简便,成本低廉,使其成为最受关注的图案化方法之一.综述了近年来喷墨打印制备高精度图案的研究进展.包括通过优化墨滴的化学组成、调控基材的化学或物理结构以及改进喷墨设备等方法以提高喷墨打印分辨率;以及通过控制液滴内部的毛细流动和三相接触线的移动抑制喷墨液滴的"咖啡环"效应,以实现均质打印.文章最后展望了喷墨打印制备高精度图案的研究发展方向.这些工作对于实现高性能器件的制备具有重要意义.
邝旻翾王京霞王利彬宋延林
关键词:喷墨打印图案化
共轭聚合物材料的有序化,结晶化及器件应用研究(英文)
2011年
聚合物半导体材料因其可溶液加工的特点在构筑大面积、价廉、柔性有机器件方面引起了人们的广泛兴趣。但是,通常情况下,器件中聚合物半导体薄膜都是通过旋涂方式制备,该薄膜中分子的有序性差而且存在大量的晶界和缺陷,这不利于聚合物半导体材料本征性能的合理评价和高性能聚合物光电器件的制备。因此,如何制备高取向聚合物薄膜一直是该领域研究的一个热点。本论文对我们课题组在聚合物半导体材料的取向化(如,通过基底诱导)和结晶化(如,缓慢自组装)及通过聚合物微纳晶揭示材料本征性能和构筑高性能器件等方面的工作做了一个简单的总结。
董焕丽胡文平
关键词:结晶化
Red-emission organic light-emitting diodes based on solution-processable molecules with triphenylamine core and benzothiadiazole-thiophene arms被引量:3
2011年
We report red-emission organic light-emitting diodes (OLEDs) based on solution-processable organic molecules with triphenylamine (TPA) as core and benzothiadiazole-(4-hexyl)thiophene (BT-4HT) as arms.Bi-armed molecule B(TPA-BT-4HT) and star-shaped (tri-armed) molecule S(TPA-BT-4HT) both show pure red-emission peaked at 646 and 657 nm,respectively.The red-emission OLED with S(TPA-BT-4HT) as the emitting layer displays a higher maximum luminance of ca.7794 cd/m2 and a maximum EL efficiency of 0.91 cd/A.
ZHANG JingYANG YiHE ChangLI YongFang
关键词:OLEDS
Modulating the metal/organic interface via Cu TCNQ decorated layer toward high performance bottom-contact single-crystal transistors
2015年
The organic single-crystal field-effect transistors using anthracene derivative, H-Ant as an active layer with source/drain electrodes decorated by metal charge transfer salt(Cu TCNQ) were fabricated. We demonstrated that this bottom-contact structure displayed an obvious improvement in the electrical characteristics relative to their pristine copper and top-contact gold electrode counterparts. This observation could be ascribed to the lower contact resistance resulting from the energetic match between electrodes and semiconductor.
Liangfu HeDeyang JiErjing WangYonggang ZhenHuanli DongWenping Hu
Organic single crystals or crystalline micro/nanostructures: Preparation and field-effect transistor applications被引量:1
2010年
Organic single crystals hold great promise for the development of organic semiconductor materials,because they could reveal the intrinsic electronic properties of these materials,providing high-performance electronic devices and probing the structureproperty relationships.This article reviews the preparation methods for organic single crystals or crystalline micro/nanostructures,including vapor phase growth methods and solution-processed methods,and summarizes a few methods employed in the fabrication of field-effect transistors along with dozens of examples concerning both small molecules and polymers with high field-effect performance.
FU XiaoLong,WANG ChengLiang,LI RongJin,DONG HuanLi & HU WenPing Beijing National Laboratory for Molecular Sciences,Key Laboratory of Organic Solids,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190,China
关键词:ORGANICFIELD-EFFECT
Tuning Reaction Processes for the Synthesis of Micron and Nanometer Sized, Single Crystalline Lamellae of Copper 7,7,8,8-tetracyano-p-quinodimethane (Phase II) with Large Area
2009年
Two simple methods have been demonstrated to obtain large area,single crystalline lamellae of copper-7,7,8,8-tetracyanoquinodimethane(CuTCNQ).The formation of the lamellae was a result of fine tuning of the processes during the synthesis processes of CuTCNQ phase II.This facile synthesis of large area single crystalline lamellae suggests bright prospects for the study and understanding of the electrical switching of CuTCNQ by using single crystals of its phase II,and future applications of the material in memory and switching devices.
Yaling LiuZhuoyu JiHongxiang LiWenping HuYunqi LiuDaoben Zhu
关键词:LAMELLAE
湿法纯化碳纳米管阵列及其对碳纳米管阵列形貌的影响(英文)被引量:2
2008年
采用酸溶液处理方法对垂直于衬底生长的碳纳米管阵列的纯化进行了研究. 利用扫描电子显微镜、X 射线光电子能谱等手段对纯化前后的碳纳米管阵列的结构、形貌及化学组成进行表征. 实验结果表明, 通过控制条件, 酸溶液处理方法能够在有效地去除催化剂粒子等杂质的同时又保持阵列的相对完整性. 纯化后的碳纳米管阵列会促进其在电子学领域的进一步应用.
曹灵超刘云圻王钰魏大程付磊胡平安张洪亮黄丽平于贵
关键词:碳纳米管阵列纳米电子学
功能分子体系的设计与构建被引量:1
2011年
功能分子在外界刺激(酸、碱、光等)的诱导下能发生分子构型、构象变化,并引起相应的物理化学性质变化,或能实现特定的功能,例如具有方向性的电子、能量转移,对分子/离子的识别能力的调控,以及光/电开关功能.功能分子的设计是分子材料科学研究的基础.作者将就我们在分子机器,化学传感器等功能分子的设计合成与性质研究领域取得的进展作一总结,并对未来的发展进行了描述.
李勇军李玉良
关键词:功能分子分子机器化学传感器
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