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HISTORY AND RECENT DEVELOPMENTS OF TERAHERTZ WAVE GENERATION

Acta Metallurgica Sinica(English Letters) 2003年第3期16卷 231-236页

作者： J.Nishizawa director of photodynamics research center and semiconductor research institute 5199-1399 Aramaki Aoba-kuSendai 980-0845 Japan

The unexplored terahertz (THz) region involves important phenomena of both fundamental and applied natures. Examples include phonon interactions, rotational transitions and intermolecular dynamics. Frequency tunable high power THz wave generation has been successfully achieved utilizing lattice resonance of LiNbO3 and GaP crystals, respectively. semiconductor devices utilizing electron tunneling effect have also been developed.

关键词： THz wave generation phonon interaction semiconductor device

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Light People:*** D C Bradley(FRS)

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Light(Science & Applications) 2024年第9期13卷 1704-1719页

作者： Ruidong Xia Ying Hu Key Laboratory for Organic Electronics&Information Displays(KLOEID) Jiangsu-Singapore Joint Research Center for Organic/Bio Electronics&Information DisplaysInstitute of Advanced Materials(IAM)Nanjing University of Posts and Telecommunications9 Wenyuan RoadNanjing 210023China Executive Management College of CHN ENERGY North District of Future Science CityChangping DistrictNo.7 Binhe AvenueBeijing 102211China

Editorial,The invention of organic light emitting diodes(LEDs)led to enormous excitement in both academe and industry in the late 1980’***,large area solution processability,roll-to-roll printing,low cost,and environmentally friendly are some of the advantages of organic semiconductor materials,which brought a new horizon for *** with the achievement of organic solar cells,transistors,lasers,and amplifiers,this has demonstrated potential applications of organic semiconductors in displays,lighting,solar energy generation,electronics,sensing and imaging,and many aspects of *** an enlightened conversation with Light:Science&Applications,*** Bradley(FRS),a pioneer in the field,shared his deep insights on past,current,and future exciting developments of organic optoelectronic materials and *** particular,he expressed his opinion on the hot topics related to organic optoelectronics research and application,such as the relationship between organic and inorganic semiconductors and the challenge of electrically pumped organic *** a successful scientist,Donal has also been co-founder of several organic optoelectronics innovation companies and research centers and a long-term academic administrator serving as a Head of Department,Centre director,and Vice-Rector for research at Imperial College,Head of the Mathematical,Physical,and Life Sciences Division at the University of Oxford,Vice-President for research at King Abdullah University of Science and Technology and now Vice-President for research and Innovation at NEOM U and Executive director of the NEOM Education,research and Innovation *** this interview,we also explore the major roles and events in Donal’s career experience from the invention of the first conjugated polymer LED in the world to the set-up of entrepreneurial companies,from Cambridge to Sheffield,Imperial College,and Oxford,from the UK to overseas,and from the establishment of the Cent

关键词： companies director Bradley

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Photo-induced flexible semiconductor CdSe/CdS quantum rods alignment

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Journal of semiconductors 2023年第9期44卷 83-89页

作者： Wanlong Zhang Julian Schneider Maksym F.Prodanov Valerii V.Vashchenko Andrey L.Rogach Xiaocong Yuan Abhishek K.Srivastava Nanophotonics research center Institute of Microscale OptoelectronicsShenzhen UniversityShenzhen 518060China State Key Laboratory of Advanced Displays and Optoelectronics Technologies Department of Electronic&Computer EngineeringHong Kong University of Science and TechnologyHong Kong SARChina Department of Materials Science and Engineering and Centre for Functional Photonics(CFP) City University of Hong KongHong Kong SARChina

The anisotropic absorption and emission from semiconductor CdSe/CdS quantum rods(QRs)provide extra benefits among other photoluminescence *** photo-induced alignment technique,the QRs can be oriented in liquid crystal polymer matrix at a large *** this article,a 2D Dammann grating pattern,within“SKL”characters domains aligned QRs in composite film,was fabricated by multi-step photo exposure using several photo masks,and a continuous geometric lens profile pattern aligned QRs was realized by the single step polarization converting holographic irradiation *** polarized optical microscope and fluorescence microscope are employed to determine the liquid crystal director profiles and QRs anisotropic excitation *** have been able to orient the QRs in fine binary and continuous patterns that confirms the strong quantum rod aligning ability of the proposed ***,the proposed approach paves a way for photoinduced flexible QRs alignments to provide a highly specific and difficult-to-replicate security application at a large scale.

关键词： quantum rods photo alignment liquid crystal flexible alignment polarized emission

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Major scientific accomplishments of Prof. Kun Huang

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Journal of semiconductors 2019年第9期40卷 2-5页

作者： Jianbai Xia Jun Kang(Translated) State Key Laboratory of Superlattices and Microstructures Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China Beijing Computational Science research center

The 100th anniversary of the birth of *** Huang is in this *** is a paragon of the older generation of Chinese *** had made great achievements in solid state *** the founding of the People’s Republic of China,he retu... 详细信息

关键词： accomplishments anniversary education

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Representation and Decomposition of Complex Decision-Making Tasks in AOBDIDSS

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Tsinghua Science and Technology 2005年第z1期10卷 811-816页

作者： YANG Shanlin HU Xiaojian FANG Fang The institute of Computer Network System Hefei University of Technology Hefei 230009 China The Institute of Computer Network System Hefei University of Technology Hefei 230009 China The institute of Materials Hefei University of Technology Hefei 230009 China The Institute of Computer Network System Hefei University of Technology Hefei 230009 China

Representation and decomposition of complex decision-making tasks are bottleneck problem of complex task decision. This paper uses multi-agent technology to construct an agent organization-based distributed intelligence decision support system (AOBDIDSS) structure model,applies generalized decision function (GDF) to the decomposition of decision task specifications, and determines decomposition criteria and properties of decision task specifications based on GDF. Because the task decomposition based on GDF is equivalent to the decomposition of Bayesian network, we present the representation and decomposition methods of decision tasks and properties based on Bayesian network. On these bases, the decision task decomposition problems can be entailed basically to construct a multi-sectioned Bayesian network and sub-Bayesian networks related to decision task specifications. The method is used to analyze the representation and decomposition of decision tasks in medical diagnosis. The results show that the model and method is not only feasible, but also effective and novel.

关键词： agent organization-based distributed intelligence decision support system (AOBDIDSS) decision tasks generalized decision function (GDF) Bayesian network

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Plasmonic Cu_(27)S_(24)nanocages for novel solar photothermal nanoink and nanofilm

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Nano research 2022年第4期15卷 3161-3169页

作者： Min Xi Longchang Xu Nian Li Shudong Zhang Zhenyang Wang institute of Solid State Physics and Key Laboratory of Photovoltaic and Energy Conservation Materials Hefei Institutes of Physical ScienceChinese Academy of SciencesHefei 230031China The Key Laboratory Functional Molecular Solids Ministry of Education Anhui Normal UniversityWuhu 241002China School of Mechatronics and Vehicle Engineering Chongqing Jiaotong UniversityChongqing 400074China

Copper sulfide(Cu_(x)S)as a plasmonic solar photothermal semiconductor material that expands the light collection range by altering localized surface plasmon resonance(LSPR)to the near-to mid-infrared(IR)spectral *** versatile synthesis strategies of Cu_(x)S nanostructure offer its variability of morphology and provide additional freedom in tuning the optical ***,nanocage(or nanoshell)has hybridized plasmon resonances as a result of super-positioned nanosphere and nanocavity,which extends its receiving range of solar spectrum and increases light-to-heat conversion ***,we offer novel“nanoink”and“nanofilm”developed from colloidal Cu_(27)S_(24)nanocages with excellent solar photothermal *** combining experimental measurement and theoretical calculation,we estimated the optical properties of covellite Cu_(27)S_(24).And based on obtained dielectric functions,we then calculated its solar photothermal performance,which was further validated by our experimental *** simulation results showed that hollow Cu_(27)S_(24)nanocages have excellent solar photothermal performance,and exhibit much higher solar photothermal conversion efficiency than solid Cu_(27)S_(24)nanospheres.

关键词： plasmonics solar photothermal hybridized plasmon Cu_(27)S_(24)nanocages

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