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- [1] Solution-processed OLEDs for printing displaysMATERIALS CHEMISTRY FRONTIERS, 2023, 7 (07) : 1166 - 1196Zeng, Xin-Yi论文数: 0 引用数: 0 h-index: 0机构: East China Normal Univ, Sch Phys & Elect Sci, Minist Educ Nanophoton, Nanophoton & Adv Instrument Engn Res Ctr, Shanghai 200062, Peoples R China East China Normal Univ, Sch Phys & Elect Sci, Minist Educ Nanophoton, Nanophoton & Adv Instrument Engn Res Ctr, Shanghai 200062, Peoples R ChinaTang, Yan-Qing论文数: 0 引用数: 0 h-index: 0机构: Soochow Univ, Inst Funct Nano & Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Suzhou 215123, Peoples R China East China Normal Univ, Sch Phys & Elect Sci, Minist Educ Nanophoton, Nanophoton & Adv Instrument Engn Res Ctr, Shanghai 200062, Peoples R ChinaCai, Xiao-Yi论文数: 0 引用数: 0 h-index: 0机构: Soochow Univ, Inst Funct Nano & Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Suzhou 215123, Peoples R China East China Normal Univ, Sch Phys & Elect Sci, Minist Educ Nanophoton, Nanophoton & Adv Instrument Engn Res Ctr, Shanghai 200062, Peoples R ChinaTang, Jian-Xin论文数: 0 引用数: 0 h-index: 0机构: Soochow Univ, Inst Funct Nano & Soft Mat FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Suzhou 215123, Peoples R China Macau Univ Sci & Technol, Macao Inst Mat Sci & Engn MIMSE, Fac Innovat Engn, Taipa 999078, Macao, Peoples R China East China Normal Univ, Sch Phys & Elect Sci, Minist Educ Nanophoton, Nanophoton & Adv Instrument Engn Res Ctr, Shanghai 200062, Peoples R ChinaLi, Yan-Qing论文数: 0 引用数: 0 h-index: 0机构: East China Normal Univ, Sch Phys & Elect Sci, Minist Educ Nanophoton, Nanophoton & Adv Instrument Engn Res Ctr, Shanghai 200062, Peoples R China East China Normal Univ, Sch Phys & Elect Sci, Minist Educ Nanophoton, Nanophoton & Adv Instrument Engn Res Ctr, Shanghai 200062, Peoples R China
- [2] Efficient solution-processed dendrimer OLEDsMATERIALS, DEVICES, AND SYSTEMS FOR DISPLAY AND LIGHTING, 2002, 4918 : 117 - 121Salata, OV论文数: 0 引用数: 0 h-index: 0机构: Univ Oxford, Dept Mat, Oxford OX5 1PF, England Univ Oxford, Dept Mat, Oxford OX5 1PF, EnglandLiu, ZG论文数: 0 引用数: 0 h-index: 0机构: Univ Oxford, Dept Mat, Oxford OX5 1PF, England Univ Oxford, Dept Mat, Oxford OX5 1PF, EnglandSafonov, A论文数: 0 引用数: 0 h-index: 0机构: Univ Oxford, Dept Mat, Oxford OX5 1PF, England Univ Oxford, Dept Mat, Oxford OX5 1PF, EnglandMustapha, N论文数: 0 引用数: 0 h-index: 0机构: Univ Oxford, Dept Mat, Oxford OX5 1PF, England Univ Oxford, Dept Mat, Oxford OX5 1PF, EnglandLo, SC论文数: 0 引用数: 0 h-index: 0机构: Univ Oxford, Dept Mat, Oxford OX5 1PF, England Univ Oxford, Dept Mat, Oxford OX5 1PF, EnglandBurn, P论文数: 0 引用数: 0 h-index: 0机构: Univ Oxford, Dept Mat, Oxford OX5 1PF, England Univ Oxford, Dept Mat, Oxford OX5 1PF, EnglandSamuel, I论文数: 0 引用数: 0 h-index: 0机构: Univ Oxford, Dept Mat, Oxford OX5 1PF, England Univ Oxford, Dept Mat, Oxford OX5 1PF, EnglandMarkham, J论文数: 0 引用数: 0 h-index: 0机构: Univ Oxford, Dept Mat, Oxford OX5 1PF, England Univ Oxford, Dept Mat, Oxford OX5 1PF, England
- [3] Emissive Material Optimization for Solution-Processed Exciplex OLEDsACS APPLIED ELECTRONIC MATERIALS, 2021, 3 (11) : 4757 - 4767Saghaei, Jaber论文数: 0 引用数: 0 h-index: 0机构: Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, Australia Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, AustraliaLeitner, Tanja论文数: 0 引用数: 0 h-index: 0机构: Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, Australia Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, AustraliaVan Thi Ngoc Mai论文数: 0 引用数: 0 h-index: 0机构: Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, Australia Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, AustraliaRanasinghe, Chandana Sampath Kumara论文数: 0 引用数: 0 h-index: 0机构: Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, Australia Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, AustraliaBurn, Paul L.论文数: 0 引用数: 0 h-index: 0机构: Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, Australia Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, AustraliaGentle, Ian R.论文数: 0 引用数: 0 h-index: 0机构: Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, Australia Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, AustraliaPivrikas, Almantas论文数: 0 引用数: 0 h-index: 0机构: Murdoch Univ, Phys Dept, Perth, WA 6150, Australia Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, AustraliaShaw, Paul E.论文数: 0 引用数: 0 h-index: 0机构: Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, Australia Univ Queensland, Ctr Organ Photon & Elect, Sch Chem & Mol Biosci, Brisbane, Qld 4072, Australia
- [4] Solution-processed multilayer OLEDs with wide bandgap hostAPPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 2020, 126 (01):Hamidabadi, Vahid Fallah论文数: 0 引用数: 0 h-index: 0机构: Univ Mazandaran, Dept Phys, Fac Basic Sci, Babol Sar 4741695447, Iran Univ Mazandaran, Dept Phys, Fac Basic Sci, Babol Sar 4741695447, IranBahari, Ali论文数: 0 引用数: 0 h-index: 0机构: Univ Mazandaran, Dept Phys, Fac Basic Sci, Babol Sar 4741695447, Iran Univ Mazandaran, Dept Phys, Fac Basic Sci, Babol Sar 4741695447, IranMirnia, Nordin论文数: 0 引用数: 0 h-index: 0机构: Univ Mazandaran, Dept Phys, Fac Basic Sci, Babol Sar 4741695447, Iran Univ Mazandaran, Dept Phys, Fac Basic Sci, Babol Sar 4741695447, Iran
- [5] Advances in Solution-Processed OLEDs and their Prospects for Use in DisplaysADVANCED MATERIALS, 2023, 35 (43)Woo, Joo Yoon论文数: 0 引用数: 0 h-index: 0机构: Hanyang Univ, Div Mat Sci & Engn, 222 Wangsimni Ro, Seoul 04763, South Korea Hanyang Univ, Div Mat Sci & Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaPark, Min-Ho论文数: 0 引用数: 0 h-index: 0机构: Soongsil Univ, Dept Organ Mat & Fiber Engn, 369 Sangdo Ro, Seoul 06978, South Korea Hanyang Univ, Div Mat Sci & Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaJeong, Su-Hun论文数: 0 引用数: 0 h-index: 0机构: LG Chem Ltd, Future Technol Res Ctr, 30 Magokjunang 10 Ro, Seoul 07794, South Korea Hanyang Univ, Div Mat Sci & Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaKim, Young-Hoon论文数: 0 引用数: 0 h-index: 0机构: Hanyang Univ, Dept Energy Engn, 222 Wangsimni Ro, Seoul 04763, South Korea Hanyang Univ, Div Mat Sci & Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaKim, Byungjae论文数: 0 引用数: 0 h-index: 0机构: LG Chem Ltd, Future Technol Res Ctr, 30 Magokjunang 10 Ro, Seoul 07794, South Korea Hanyang Univ, Div Mat Sci & Engn, 222 Wangsimni Ro, Seoul 04763, South KoreaLee, Tae-Woo论文数: 0 引用数: 0 h-index: 0机构: Seoul Natl Univ, Inst Engn Res, Res Inst Adv Mat, Soft Foundry,Sch Chem & Biol Engn,Dept Mat Sci & E, 1 Gwanak Ro, Seoul 08826, South Korea Hanyang Univ, Div Mat Sci & Engn, 222 Wangsimni Ro, Seoul 04763, South Korea论文数: 引用数: h-index:机构:
- [6] Solution-processed multilayer OLEDs with wide bandgap hostApplied Physics A, 2020, 126Vahid Fallah Hamidabadi论文数: 0 引用数: 0 h-index: 0机构: University of Mazandaran,Department of Physics, Faculty of Basic SciencesAli Bahari论文数: 0 引用数: 0 h-index: 0机构: University of Mazandaran,Department of Physics, Faculty of Basic SciencesNordin Mirnia论文数: 0 引用数: 0 h-index: 0机构: University of Mazandaran,Department of Physics, Faculty of Basic Sciences
- [7] Lanthanide tetrakis-β-diketonate dimers for solution-processed OLEDsMATERIALS CHEMISTRY AND PHYSICS, 2014, 147 (03) : 1157 - 1164Martins, J. P.论文数: 0 引用数: 0 h-index: 0机构: Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, Portugal SESARAM EPE, Nucl Med Serv, P-9004514 Funchal, Madeira, Portugal Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, PortugalMartin-Ramos, P.论文数: 0 引用数: 0 h-index: 0机构: Univ Valladolid, Higher Tech Sch Telecommun Engn, E-47011 Valladolid, Spain Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, PortugalCoya, C.论文数: 0 引用数: 0 h-index: 0机构: Univ Rey Juan Carlos, ESCET, Madrid 28933, Spain Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, PortugalAlvarez, A. L.论文数: 0 引用数: 0 h-index: 0机构: Univ Rey Juan Carlos, ESCET, Madrid 28933, Spain Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, PortugalPereira, L. C.论文数: 0 引用数: 0 h-index: 0机构: UTL, Inst Super Tecn, IST CTN, Solid State Grp,UCQR, P-2695066 Bobadela Lrs, Portugal Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, PortugalDiaz, R.论文数: 0 引用数: 0 h-index: 0机构: IMDEA Energy Inst, Electrochem Proc Unit, Mostoles Madrid 28935, Spain Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, PortugalMartin-Gil, J.论文数: 0 引用数: 0 h-index: 0机构: Univ Valladolid, ETSIIAA, Adv Mat Lab, Palencia 34004, Spain Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, PortugalRamos Silva, M.论文数: 0 引用数: 0 h-index: 0机构: Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, Portugal Univ Coimbra, Dept Phys, CEMDRX, P-3004516 Coimbra, Portugal
- [8] Effect of Mixed Interface on the Performance of Solution-Processed Phosphorescent OLEDsSPECTROSCOPY AND SPECTRAL ANALYSIS, 2011, 31 (06) : 1454 - 1457Song Dan-dan论文数: 0 引用数: 0 h-index: 0机构: Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R ChinaZhao Su-ling论文数: 0 引用数: 0 h-index: 0机构: Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R ChinaXu Zheng论文数: 0 引用数: 0 h-index: 0机构: Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R ChinaZhang Fu-jun论文数: 0 引用数: 0 h-index: 0机构: Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R ChinaLu Li-fang论文数: 0 引用数: 0 h-index: 0机构: Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R ChinaZhang Yan-fei论文数: 0 引用数: 0 h-index: 0机构: Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R ChinaKong Chao论文数: 0 引用数: 0 h-index: 0机构: Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R ChinaYan Guang论文数: 0 引用数: 0 h-index: 0机构: Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China
- [9] Solution-processed AIEgen NIR OLEDs with EQE Approaching 15 %ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2022, 61 (26)Yu, Ying论文数: 0 引用数: 0 h-index: 0机构: Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China HKUST Shenzhen Res Inst, Shenzhen 518057, Peoples R China South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangdong Prov Key Lab Luminescence Mol Aggregate, Guangzhou 510640, Peoples R China Hong Kong Univ Sci & Technol, Ctr Tissue Restorat & Reconstruct, Hong Kong Branch Chinese Natl Engn Res, Kowloon, Hong Kong 100071, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R ChinaXing, Hao论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Univ Sci & Technol, Ctr Tissue Restorat & Reconstruct, Hong Kong Branch Chinese Natl Engn Res, Kowloon, Hong Kong 100071, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R ChinaLiu, Dan论文数: 0 引用数: 0 h-index: 0机构: Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China HKUST Shenzhen Res Inst, Shenzhen 518057, Peoples R China South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangdong Prov Key Lab Luminescence Mol Aggregate, Guangzhou 510640, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R ChinaZhao, Mengying论文数: 0 引用数: 0 h-index: 0机构: Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China HKUST Shenzhen Res Inst, Shenzhen 518057, Peoples R China Hong Kong Univ Sci & Technol, Ctr Tissue Restorat & Reconstruct, Hong Kong Branch Chinese Natl Engn Res, Kowloon, Hong Kong 100071, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R ChinaSung, Herman H. -Y.论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Univ Sci & Technol, Kowloon, Hong Kong 100071, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R ChinaWilliams, Ian D.论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Univ Sci & Technol, Kowloon, Hong Kong 100071, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R ChinaLam, Jacky W. Y.论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Univ Sci & Technol, Ctr Tissue Restorat & Reconstruct, Hong Kong Branch Chinese Natl Engn Res, Kowloon, Hong Kong 100071, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R ChinaXie, Guohua论文数: 0 引用数: 0 h-index: 0机构: Wuhan Univ, Dept Chem, Hubei Key Lab Organ & Polymer Optoelect Mat, Sauvage Ctr Mol Sci, Wuhan 430072, Peoples R China South China Univ Technol, Guangdong Prov Key Lab Luminescence Mol Aggregate, Guangzhou, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R ChinaZhao, Zheng论文数: 0 引用数: 0 h-index: 0机构: Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangdong Prov Key Lab Luminescence Mol Aggregate, Guangzhou 510640, Peoples R China Hong Kong Univ Sci & Technol, Ctr Tissue Restorat & Reconstruct, Hong Kong Branch Chinese Natl Engn Res, Kowloon, Hong Kong 100071, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R ChinaTang, Ben Zhong论文数: 0 引用数: 0 h-index: 0机构: Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China HKUST Shenzhen Res Inst, Shenzhen 518057, Peoples R China South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangdong Prov Key Lab Luminescence Mol Aggregate, Guangzhou 510640, Peoples R China Hong Kong Univ Sci & Technol, Ctr Tissue Restorat & Reconstruct, Hong Kong Branch Chinese Natl Engn Res, Kowloon, Hong Kong 100071, Peoples R China Chinese Univ Hong Kong, Shenzhen Inst Aggregate Sci & Technol, Sch Sci & Engn, Shenzhen 518172, Guangdong, Peoples R China
- [10] Fluorescent polymer guest:small molecule host solution-processed OLEDsJOURNAL OF MATERIALS CHEMISTRY C, 2013, 1 (34) : 5191 - 5199Hellerich, Emily S.论文数: 0 引用数: 0 h-index: 0机构: US DOE, Ames Lab, Ames, IA 50011 USA Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA US DOE, Ames Lab, Ames, IA 50011 USAIntemann, Jeremy J.论文数: 0 引用数: 0 h-index: 0机构: Iowa State Univ, Dept Chem, Ames, IA 50011 USA US DOE, Ames Lab, Ames, IA 50011 USACai, Min论文数: 0 引用数: 0 h-index: 0机构: US DOE, Ames Lab, Ames, IA 50011 USA Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA US DOE, Ames Lab, Ames, IA 50011 USALiu, Rui论文数: 0 引用数: 0 h-index: 0机构: US DOE, Ames Lab, Ames, IA 50011 USA Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA US DOE, Ames Lab, Ames, IA 50011 USAEwan, Monique D.论文数: 0 引用数: 0 h-index: 0机构: Iowa State Univ, Dept Chem, Ames, IA 50011 USA US DOE, Ames Lab, Ames, IA 50011 USATlach, Brian C.论文数: 0 引用数: 0 h-index: 0机构: Iowa State Univ, Dept Chem, Ames, IA 50011 USA US DOE, Ames Lab, Ames, IA 50011 USAJeffries-EL, Malika论文数: 0 引用数: 0 h-index: 0机构: Iowa State Univ, Dept Chem, Ames, IA 50011 USA US DOE, Ames Lab, Ames, IA 50011 USAShinar, Ruth论文数: 0 引用数: 0 h-index: 0机构: Iowa State Univ, Microelect Res Ctr, Ames, IA 50011 USA Iowa State Univ, Dept Elect & Comp Engn, Ames, IA 50011 USA US DOE, Ames Lab, Ames, IA 50011 USAShinar, Joseph论文数: 0 引用数: 0 h-index: 0机构: US DOE, Ames Lab, Ames, IA 50011 USA Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA US DOE, Ames Lab, Ames, IA 50011 USA