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Control of the ultrafast photo-electronic dynamics of a chemical-vapor-deposited-grown graphene by ozone oxidation
《Photonics Research》2020年第1期17-23,共7页MIN GUO LAI-PENG MA WENCAI REN TIANSHU LAI 
National Natural Science Foundation of China(11774438,61475195);National Basic Research Program of China(973 Program)(2013CB922403);Ministry of Science and Technology of the People’s Republic of China(2016YFA0200101,2016YFB04001104);Chinese Academy of Sciences Key Technology Talent Program(XDB30000000);Natural Science Foundation of Guangdong Province(2019A1515011572)。
Diverse ultrafast dynamics have been reported on different graphene prepared by different methods.Chemicalvapor-deposited(CVD)growth is regarded as a very promising method for highly efficient production of graphene.H...
关键词：OZONE DYNAMICS ELECTRONIC 
Ultrafast dynamical process of Ge irradiated by the femtosecond laser pulses
《High Power Laser Science and Engineering》2016年第2期5-13,共9页Fangjian Zhang Shuchang Li Anmin Chen Yuanfei Jiang Suyu Li Mingxing Jin 
supported by the National Basic Research Program of China(973 Program,grant no.2013CB922200);the National Natural Science Foundation of China(grant no.11474129);the Research Fund for the Doctoral Program of Higher Education in China(grant no.20130061110021);the Project 2015091 Supported by Graduate Innovation Fund of Jilin University
The ultrafast dynamic process in semiconductor Ge irradiated by the femtosecond laser pulses is numerically simulated on the basis of van Driel system. It is found that with the increase of depth, the carrier density ...
关键词：CARRIER energy transfer FEMTOSECOND laser LATTICE semiconductor 
Ultrafast optical spectroscopy of surface-modified silicon quantum dots: unraveling the underlying mechanism of the ultrabright and color-tunable photoluminescence被引量：6
《Light(Science & Applications)》2015年第1期524-531,共8页Lei Wang Qi Li Hai-Yu Wang Jing-Chun Huang Ran Zhang Qi-Dai Chen Huai-Liang Xu Wei Han Zheng-Zhong Shao Hong-Bo Sun 
HBS thanks the Natural Science Foundation of China(NSFC)under Grant Nos.91423102,21273096,91323301 and 11104109;the National Basic Research Program of China(973 Program)under Grant No.2014CB921302 for support.
In this work,the fundamental mechanism of ultrabright fluorescence from surface-modified colloidal silicon quantum dots is investigated in depth using ultrafast spectroscopy.The underlying energy band structure corres...
关键词：quantum confinement silicon quantum dots surface molecular engineering ultrafast spectroscopy wave function modification 
Transient surface photoconductivity of GaAs emitter studied by terahertz pump-emission spectroscopy
《Chinese Physics B》2009年第10期4515-4520,共6页施宇蕾 周庆莉 张存林 
Project supported by the National Basic Research Program (973 Program) (Grant Nos 2007CB310408 and 2006CB302901);the National Natural Science Foundation of China (Grant No 10804077);Funding Project for Academic Human Resources Development in Institutions of Higher Learning under the Jurisdiction of Beijing Municipality;supported by State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciencs
This paper investigates the ultrafast carrier dynamics and surface photoconductivity of unbiased semi-insulating GaAs in detail by using a terahertz pump-emission technique. Based on theoretical modelling, it finds th...
关键词：TERAHERTZ ultrafast carrier trapping surface photoconductivity 
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