检索结果-南通市图书馆

A chain-type diamine strategy towards strongly anisotropic triiodide of DMEDA·I6

Science China Materials 2020年第4期63卷 566-574页

作者： Li Yao Peng Xu Wanru Gao Junze Li Liang Gao Guangda Niu Dehui Li Shiyou Chen Jiang Tang Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China Research Institute for Magnetoelectronics&Weak Magnetic-field detection College of ScienceChina Three Gorges UniversityYichang 443002China School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China State Key Laboratory of Precision Spectroscopy Key Laboratory of Polar Materials and Devices(MOE)and Department of OptoelectronicsEast China Normal UniversityShanghai 200241China Collaborative Innovation Center of Extreme Optics Shanxi UniversityTaiyuan 030006China

Linearly bonded triiodide chains with fairly small distance between the adjacent iodine ions feature a facile electron transfer and highly anisotropic ***,we demonstrate a novel strategy towards a new one-dimensional linear triiodide DMEDA·I6,using chain-type N,N'-dimethylethanediamine(DMEDA)cation to coordinate triiodine *** triiodide has the shortest distance between adjacent I3^- and good *** estimated electronic band gap of1.36 e V indicates its semiconducting properties.100 fold differences both in polarization-sensitive absorption and effective mass were achieved by simulation,with directions parallel and perpendicular to the a-axis of DMEDA·*** DMEDA·I6 single crystal-based photodetectors show a good switching characteristic and a distinct polarization-sensitive photoresponse with linear dichroic photodetection ratio of about *** anisotropic features and semiconducting properties of DMEDA·I6 make this triiodide system an interesting candidate for polarization related applications.

关键词： triiodide semiconductor polarization-sensitive detection linear dichroism

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Self-assembled ultrafine CsPbBr_(3) perovskite nanowires for polarized light detection

引用

Science China Materials 2021年第9期64卷 2261-2271页

作者： Zixing Peng Dandan Yang Bozhao Yin Xin Guo Shuang Li Qiuqiang Zhan Xiudi Xiao Xiaofeng Liu Zhiguo Xia Zhongmin Yang Jianrong Qiu Guoping Dong State Key Laboratory of Luminescent Materials and Devices Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques and Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and DevicesSouth China University of TechnologyGuangzhou 510640China Centre for Optical and Electromagnetic Research South China Academy of Advanced OptoelectronicsSouth China Normal UniversityGuangzhou 510006China Key Laboratory of Renewable Energy Guangdong Key Laboratory of New and Renewable Energy Research and DevelopmentGuangzhou Institute of Energy ConversionChinese Academy of SciencesGuangzhou 510640China School of Materials Science and Engineering Zhejiang UniversityHangzhou 310027China College of Optical Science and Engineering State Key Laboratory of Modern Optical InstrumentationZhejiang UniversityHangzhou 310027China

One-dimensional(1D)metal halide perovskite nanowire(NW)arrays with high absorption efficiency,emission yield and dielectric constants,as well as anisotropic optoelectronic properties have found applications in energy harvesting,flexible electronics,and biomedical imaging ***,a modified two-step solvothermal method is developed for the synthesis of self-assembled cubic CsPbBr_(3) NW *** method provides facile access to continuous and uniform ultrafine perovskite NWs and well-aligned pure perovskite NW arrayed *** excitation at 365 nm,the CsPbBr_(3) NWs give a strong blue emission observable to the naked *** CsPbBr_(3) NWs also exhibit strong two-photon excited luminescence under the irradiation with an 800 nm pulse *** rotating the polarization angle of the 800 nm laser,strong polarization dependence with a polarization degree up to~0.49 is demonstrated in the selfassembled CsPbBr_(3) NW array,although the CsPbBr_(3) NWs have an isotropic cubic *** on density functional theory(DFT)calculations,this polarization-dependent emission is correlated with the anisotropic charge density distribution of the perovskite *** findings suggest that the ultrafine CsPbBr_(3) NWs with a well-defined self-assembled architecture could be applied as next-generation polarizationsensitive photoelectronic detection materials.

关键词： ultrafine perovskite nanowires self-assembly perovskite nanowire array anisotropy polarization-sensitive detection

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：