메뉴 건너뛰기




Volumn 94, Issue 2, 2012, Pages 304-313

Orange phosphorescent organic light-emitting diodes using new spiro[benzoanthracene-fluorene]-type host materials

Author keywords

Carbazole; Host; Orange; PHOLED; Phosphorescence; Spiro benzoanthracene fluorene

Indexed keywords

CARBAZOLE; HOST; ORANGE; PHOLED; SPIRO[BENZOANTHRACENE-FLUORENE];

EID: 84862822805     PISSN: 01437208     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.dyepig.2012.01.009     Document Type: Article
Times cited : (32)

References (41)
  • 1
    • 0032505122 scopus 로고    scopus 로고
    • Highly efficient phosphorescent emission from organic electroluminescent devices
    • DOI 10.1038/25954
    • M.A. Baldo, D.F. O'Brien, Y. You, A. Shoustikov, S. Sibley, and M.E. Thompson Highly efficient phosphorescent emission from organic electroluminescent devices Nature 395 1998 151 154 (Pubitemid 28425649)
    • (1998) Nature , vol.395 , Issue.6698 , pp. 151-154
    • Baldo, M.A.1    O'Brien, D.F.2    You, Y.3    Shoustikov, A.4    Sibley, S.5    Thompson, M.E.6    Forrest, S.R.7
  • 3
    • 0032622132 scopus 로고    scopus 로고
    • Very high-efficiency green organic light-emitting devices based on electrophosphorescence
    • M.A. Baldo, S. Lamansky, P.E. Burrows, M.E. Thompson, and S.R. Forrest Very high-efficiency green organic light-emitting devices based on electrophosphorescence Applied Physics Letter 75 1999 4 6 (Pubitemid 129308859)
    • (1999) Applied Physics Letters , vol.75 , Issue.1 , pp. 4-6
    • Baldo, M.A.1    Lamansky, S.2    Burrows, P.E.3    Thompson, M.E.4    Forrest, S.R.5
  • 4
    • 0344514700 scopus 로고    scopus 로고
    • Operational stability of electrophosphorescent devices containing p and n doped transport layers
    • B.W. D'Andrade, S.R. Forrest, and A.B. Chwang Operational stability of electrophosphorescent devices containing p and n doped transport layers Applied Physics Letter 83 2003 3858 3860
    • (2003) Applied Physics Letter , vol.83 , pp. 3858-3860
    • D'Andrade, B.W.1    Forrest, S.R.2    Chwang, A.B.3
  • 5
    • 65449184146 scopus 로고    scopus 로고
    • Highly phosphorescent organic mixed films: The effect of aggregation on triplet-triplet annihilation
    • S. Reineke, G. Schwartz, K. Walzer, M. Falke, and K. Leo Highly phosphorescent organic mixed films: the effect of aggregation on triplet-triplet annihilation Applied Physics Letter 94 2009 163305 163307
    • (2009) Applied Physics Letter , vol.94 , pp. 163305-163307
    • Reineke, S.1    Schwartz, G.2    Walzer, K.3    Falke, M.4    Leo, K.5
  • 6
    • 0034667073 scopus 로고    scopus 로고
    • Transient analysis of organic electrophosphorescence. II. Transient analysis of triplet-triplet annihilation
    • DOI 10.1103/PhysRevB.62.10967
    • M.A. Baldo, C. Adachi, and S.R. Forrest Transient analysis of organic electrophosphorescence. II. Transient analysis of triplet-triplet annihilation Physical Review B 62 2000 10967 10977 (Pubitemid 32367268)
    • (2000) Physical Review B - Condensed Matter and Materials Physics , vol.62 , Issue.16 , pp. 10967-10977
    • Baldo, M.A.1    Adachi, C.2    Forrest, S.R.3
  • 7
    • 38349092982 scopus 로고    scopus 로고
    • Stable efficiency roll-off in phosphorescent organic light-emitting diodes
    • S.H. Kim, J. Jang, K.S. Yook, and J.Y. Lee Stable efficiency roll-off in phosphorescent organic light-emitting diodes Applied Physics Letter 92 2008 023513 023515
    • (2008) Applied Physics Letter , vol.92 , pp. 023513-023515
    • Kim, S.H.1    Jang, J.2    Yook, K.S.3    Lee, J.Y.4
  • 8
    • 49749150139 scopus 로고    scopus 로고
    • 100% internal quantum efficiency and stable efficiency roll-off in phosphorescent light-emitting diodes using a high triplet energy hole transport material
    • S.O. Jeon, K.S. Yook, C.W. Joo, J.Y. Lee, K.Y. Ko, and J.Y. Park 100% internal quantum efficiency and stable efficiency roll-off in phosphorescent light-emitting diodes using a high triplet energy hole transport material Applied Physics Letter 93 2008 063306 063308
    • (2008) Applied Physics Letter , vol.93 , pp. 063306-063308
    • Jeon, S.O.1    Yook, K.S.2    Joo, C.W.3    Lee, J.Y.4    Ko, K.Y.5    Park, J.Y.6
  • 9
    • 39349111984 scopus 로고    scopus 로고
    • Suppression of exciton annihilation at high current densities in organic light-emitting diode resulting from energy-level alignments of carrier transport layers
    • M. Matsushima, and C.A. Adachi Suppression of exciton annihilation at high current densities in organic light-emitting diode resulting from energy-level alignments of carrier transport layers Applied Physics Letter 92 2008 063306 063308
    • (2008) Applied Physics Letter , vol.92 , pp. 063306-063308
    • Matsushima, M.1    Adachi, C.A.2
  • 10
    • 38949188636 scopus 로고    scopus 로고
    • Reduced efficiency roll-off in high-efficiency hybrid white organic light-emitting diodes
    • G. Schwartz, S. Reineke, K. Walzer, and K. Leo Reduced efficiency roll-off in high-efficiency hybrid white organic light-emitting diodes Applied Physics Letter 92 2008 053311 053313
    • (2008) Applied Physics Letter , vol.92 , pp. 053311-053313
    • Schwartz, G.1    Reineke, S.2    Walzer, K.3    Leo, K.4
  • 11
    • 47549101592 scopus 로고    scopus 로고
    • Reduced efficiency roll-off in phosphorescent organic light emitting diodes at ultrahigh current densities by suppression of triplet-polaron quenching
    • F.X. Zang, T.C. Sum, A.C.H. Huan, T.L. Li, W.L. Li, and F. Zhu Reduced efficiency roll-off in phosphorescent organic light emitting diodes at ultrahigh current densities by suppression of triplet-polaron quenching Applied Physics Letter 93 2008 023309 023311
    • (2008) Applied Physics Letter , vol.93 , pp. 023309-023311
    • Zang, F.X.1    Sum, T.C.2    Huan, A.C.H.3    Li, T.L.4    Li, W.L.5    Zhu, F.6
  • 12
    • 0037161426 scopus 로고    scopus 로고
    • Effect of hole-transporting film thickness on the performance of electroluminescent devices using polymer Langmuir-Blodgett films containing carbazole
    • DOI 10.1021/ma011924p
    • A. Aoki, Y. Tamagawa, and T. Miyashita Effect of hole transporting film thickness on the performance of electroluminescent devices using polymer Langmuir-Blodgett films containing carbazole Macromolecules 35 2002 3686 3689 (Pubitemid 34590345)
    • (2002) Macromolecules , vol.35 , Issue.9 , pp. 3686-3689
    • Aoki, A.1    Tamagawa, Y.2    Miyashita, T.3
  • 13
    • 3943061557 scopus 로고    scopus 로고
    • Synthesis of asymmetrically arranged dendrimers with a carbazole dendron and a phenylazomethine dendron
    • A. Kimoto, J.S. Cho, M. Higuchi, and K. Yamamoto Synthesis of asymmetrically arranged dendrimers with a carbazole dendron and a phenylazomethine dendron Macromolecules 37 2004 5531 5537
    • (2004) Macromolecules , vol.37 , pp. 5531-5537
    • Kimoto, A.1    Cho, J.S.2    Higuchi, M.3    Yamamoto, K.4
  • 14
    • 2542421301 scopus 로고    scopus 로고
    • Pure deep blue light-emitting diodes from alternating fluorene/carbazole copolymers by using suitable hole-blocking materials
    • J. Lu, Y. Tao, M. D'iorio, Y. Li, J. Ding, and M. Day Pure deep blue light-emitting diodes from alternating fluorene/carbazole copolymers by using suitable hole-blocking materials Macromolecules 37 2004 2442 2449
    • (2004) Macromolecules , vol.37 , pp. 2442-2449
    • Lu, J.1    Tao, Y.2    D'Iorio, M.3    Li, Y.4    Ding, J.5    Day, M.6
  • 15
    • 0037008052 scopus 로고    scopus 로고
    • Photoluminescent and electrochemical properties of novel poly(aryl ether)s with isolated hole-transporting carbazole and electron-transporting 1,3,4-oxadiazole fluorophores
    • DOI 10.1021/ma012181a
    • S.W. Hwang, and Y. Chen Photoluminescent and electrochemical properties of novel poly(aryl ether)s with isolated hole transporting carbazole and electron-transporting 1,3,4-oxadiazole fluorophores Macromolecules 35 2002 5438 5443 (Pubitemid 34741235)
    • (2002) Macromolecules , vol.35 , Issue.14 , pp. 5438-5443
    • Hwang, S.-W.1    Chen, Y.2
  • 16
    • 30944438110 scopus 로고    scopus 로고
    • Blue electrophosphorescence from iridium complex covalently bonded to the po̧ly(9-dodecyl-3-vinylcarbazole): Suppressed phase segregation and enhanced energy transfer
    • DOI 10.1021/ma052015t
    • Y. You, S.H. Kim, H.K. Jung, and S.Y. Park Blue electrophosphorescence from iridium complex covalently bonded to the poly(9-dodecyl-3-vinylcarbazole): suppressed phase segregation and enhanced energy transfer Macromolecules 39 2006 349 356 (Pubitemid 43112758)
    • (2006) Macromolecules , vol.39 , Issue.1 , pp. 349-356
    • You, Y.1    Kim, S.H.2    Jung, H.K.3    Park, S.Y.4
  • 17
    • 19944411490 scopus 로고    scopus 로고
    • High-efficiency electrophosphorescent fluorene-alt-carbazole copolymers N-grafted with cyclometalated Ir complexes
    • DOI 10.1021/ma0474473
    • J. Jiang, C. Jiang, W. Yang, H. Zhen, F. Huang, and Y. Cao High-efficiency electrophosphorescent fluorene-alt-carbazole copolymers N-grafted with cyclometalated Ir complexes Macromolecules 38 2006 4072 4080 (Pubitemid 40751121)
    • (2005) Macromolecules , vol.38 , Issue.10 , pp. 4072-4080
    • Jiang, J.1    Jiang, C.2    Yang, W.3    Zhen, H.4    Huang, F.5    Cao, Y.6
  • 18
    • 0031381007 scopus 로고    scopus 로고
    • Low molecular organic glasses for blue electroluminescence
    • PII S0379677997040162
    • J. Salbeck, N. Yu, J. Bauer, F. Weissörtel, and H. Bestgen Low molecular organic glasses for blue electroluminescence Synthetic Metals 91 1997 209 215 (Pubitemid 127365166)
    • (1997) Synthetic Metals , vol.91 , Issue.1-3 , pp. 209-215
    • Salbeck, J.1    Yu, N.2    Bauer, J.3    Weissortel, F.4    Bestgen, H.5
  • 19
    • 0032182960 scopus 로고    scopus 로고
    • Hole Transporting Materials with High Glass Transition Temperatures for Use in Organic Light-Emitting Devices
    • D.F. O'Brien, P.E. Burrows, S.R. Forrest, B.E. Konne, D.E. Loy, and M.E. Thompson Hole transporting materials with high glass transition temperatures for use in organic light-emitting devices Advanced Materials 10 1998 1108 1112 (Pubitemid 128535032)
    • (1998) Advanced Materials , vol.10 , Issue.14 , pp. 1108-1112
    • O'Brien, D.F.1    Burrows, P.E.2    Forrest, S.R.3    Koene, B.E.4    Loy, D.E.5    Thompson, M.E.6
  • 20
    • 0032001596 scopus 로고    scopus 로고
    • A novel class of π-electron dendrimers for thermally and morphologically stable amorphous molecular materials
    • A.K. Katsuma, and Y. Shirota Novel class of π-electron dendrimers for thermally and morphologically stable amorphous molecular materials Advanced Materials 10 1998 223 226 (Pubitemid 128541402)
    • (1998) Advanced Materials , vol.10 , Issue.3 , pp. 223-226
    • Katsuma, K.1    Shirota, Y.2
  • 21
    • 0037185326 scopus 로고    scopus 로고
    • g and efficient hole transporting material for electroluminescent devices
    • g and efficient hole transporting material for electroluminescent devices Synthetic Metals 126 2002 37 41
    • (2002) Synthetic Metals , vol.126 , pp. 37-41
    • Ko, C.W.1    Tao, T.2
  • 22
    • 0642302382 scopus 로고    scopus 로고
    • Spiro linked compounds for use as active materials in organic light emitting diodes
    • J. Salbeck, J. Bauer, and F. Weissörtel Spiro linked compounds for use as active materials in organic light emitting diodes Macromolecular Symposia 125 1997 121 132 (Pubitemid 127476123)
    • (1997) Macromolecular Symposia , vol.125 , pp. 121-132
    • Salbeck, J.1    Weissortel, F.2    Bauer, J.3
  • 23
    • 20444435500 scopus 로고    scopus 로고
    • Hole transport triphenylamine-spirosilabifluorene alternating copolymer: Synthesis and optical, electrochemical and electroluminescent properties
    • DOI 10.1016/j.polymer.2005.05.057, PII S0032386105006324
    • H. Xiao, B. Leng, and H. Tian Hole transport triphenylamine- spirosilabifluorene alternating copolymer: synthesis and optical, electrochemical and electroluminescent properties Polymer 46 2005 5707 5713 (Pubitemid 40831716)
    • (2005) Polymer , vol.46 , Issue.15 , pp. 5707-5713
    • Xiao, H.1    Leng, B.2    Tian, H.3
  • 24
    • 33748439418 scopus 로고    scopus 로고
    • Spirosilabifluorene linked bistriphenylamine: Synthesis and application in hole transporting and two-photon fluorescent imaging
    • DOI 10.1016/j.dyepig.2005.11.010, PII S0143720805003852
    • H. Xiao, H. Shen, Y. Lin, J. Su, and H. Tian Spirosilabifluorene linked bistriphenylamine: synthesis and application in hole transporting and two-photon fluorescent imaging Dyes and Pigments 73 2007 224 229 (Pubitemid 44341036)
    • (2007) Dyes and Pigments , vol.73 , Issue.2 , pp. 224-229
    • Xiao, H.1    Shen, H.2    Lin, Y.3    Su, J.4    Tian, H.5
  • 25
    • 0036210661 scopus 로고    scopus 로고
    • Spiro-linked ter-, penta-, and heptafluorenes as novel amorphous materials for blue light emission
    • D. Katsis, Y.H. Geng, J.J. Ou, S.W. Culligan, A. Trajkovska, and S.H. Chen Spiro-linked ter-, penta-, and heptafluorenes as novel amorphous materials for blue light emission Chemistry Materials 14 2002 1332 1339
    • (2002) Chemistry Materials , vol.14 , pp. 1332-1339
    • Katsis, D.1    Geng, Y.H.2    Ou, J.J.3    Culligan, S.W.4    Trajkovska, A.5    Chen, S.H.6
  • 26
    • 0034224397 scopus 로고    scopus 로고
    • Characterization of hole transport in a new class of spiro-linked oligotriphenylamine compounds
    • U. Bach, K.D. Cloedt, H. Spreitzer, and M. Gratzel Characterization of hole transport in a new class of spiro-linked oligotriphenylamine compounds Advanced Materials 12 2000 1060 1063
    • (2000) Advanced Materials , vol.12 , pp. 1060-1063
    • Bach, U.1    Cloedt, K.D.2    Spreitzer, H.3    Gratzel, M.4
  • 27
    • 43849106492 scopus 로고    scopus 로고
    • Blue organic light-emitting diode with improved color purity using 5-naphthyl-spiro[fluorene-7, 9′-benzofluorene]
    • S.O. Jeon, Y.M. Jeon, J.W. Kim, C.W. Lee, and M.S. Gong Blue organic light-emitting diode with improved color purity using 5-naphthyl-spiro[fluorene- 7, 9′-benzofluorene] Organic Eectronics 9 2008 522 532
    • (2008) Organic Eectronics , vol.9 , pp. 522-532
    • Jeon, S.O.1    Jeon, Y.M.2    Kim, J.W.3    Lee, C.W.4    Gong, M.S.5
  • 28
    • 49049119268 scopus 로고    scopus 로고
    • Blue light-emitting OLED using new spiro[fluorene-7, 9′- benzofluorene] host and dopant materials
    • K.S. Kim, Y.M. Jeon, J.W. Kim, C.W. Lee, and M.S. Gong Blue light-emitting OLED using new spiro[fluorene-7, 9′-benzofluorene] host and dopant materials Organic Electronics 9 2008 797 804
    • (2008) Organic Electronics , vol.9 , pp. 797-804
    • Kim, K.S.1    Jeon, Y.M.2    Kim, J.W.3    Lee, C.W.4    Gong, M.S.5
  • 29
    • 67349283010 scopus 로고    scopus 로고
    • Blue organic light-emitting diodes using novel spiro[fluorene- benzofluorene]-type host materials
    • Y.M. Jeon, J.W. Kim, C.W. Lee, and M.S. Gong Blue organic light-emitting diodes using novel spiro[fluorene-benzofluorene]-type host materials Dyes and Pigments 83 2009 66 71
    • (2009) Dyes and Pigments , vol.83 , pp. 66-71
    • Jeon, Y.M.1    Kim, J.W.2    Lee, C.W.3    Gong, M.S.4
  • 30
    • 57649167153 scopus 로고    scopus 로고
    • Blue organic electroluminescent devices based on the spiro[fluorene-7, 9′-benzofluorene] derivatives as host and dopant materials
    • K.S. Kim, Y.M. Jeon, H.S. Lee, J.W. Kim, C.W. Lee, and J.G. Jang Blue organic electroluminescent devices based on the spiro[fluorene-7, 9′-benzofluorene] derivatives as host and dopant materials Synthetic Metals 158 2008 870 875
    • (2008) Synthetic Metals , vol.158 , pp. 870-875
    • Kim, K.S.1    Jeon, Y.M.2    Lee, H.S.3    Kim, J.W.4    Lee, C.W.5    Jang, J.G.6
  • 31
  • 32
    • 70349758132 scopus 로고    scopus 로고
    • Electroluminescent properties of spiro[fluorene-benzofluorene]-containing blue light-emitting materials
    • S.O. Jeon, H.S. Lee, Y.M. Jeon, J.W. Kim, C.W. Lee, and M.S. Gong Electroluminescent properties of spiro[fluorene-benzofluorene]-containing blue light-emitting materials Bulletin Korean Chemical Society 30 2009 863 868
    • (2009) Bulletin Korean Chemical Society , vol.30 , pp. 863-868
    • Jeon, S.O.1    Lee, H.S.2    Jeon, Y.M.3    Kim, J.W.4    Lee, C.W.5    Gong, M.S.6
  • 33
    • 58249114906 scopus 로고    scopus 로고
    • Blue light-emitting diodes from 2-(10-naphthylanthracene)-spiro[fluorene- 7,9′-benzofluorene] host material
    • K.S. Kim, Y.M. Jeon, J.W. Kim, C.W. Lee, and M.S. Gong Blue light-emitting diodes from 2-(10-naphthylanthracene)-spiro[fluorene-7,9′- benzofluorene] host material Dyes and Pigments 81 2009 174 179
    • (2009) Dyes and Pigments , vol.81 , pp. 174-179
    • Kim, K.S.1    Jeon, Y.M.2    Kim, J.W.3    Lee, C.W.4    Gong, M.S.5
  • 34
    • 67349203853 scopus 로고    scopus 로고
    • Spiro[fluorene-7,9′-benzofluorene] host and dopant materials for blue light-emitting electroluminescence device
    • S.O. Jeon, Y.M. Jeon, J.W. Kim, C.W. Lee, and M.S. Gong Spiro[fluorene-7,9′-benzofluorene] host and dopant materials for blue light-emitting electroluminescence device Synthetic Metals 159 2009 1147 1152
    • (2009) Synthetic Metals , vol.159 , pp. 1147-1152
    • Jeon, S.O.1    Jeon, Y.M.2    Kim, J.W.3    Lee, C.W.4    Gong, M.S.5
  • 35
    • 67649185278 scopus 로고    scopus 로고
    • High efficiency red phosphorescent organic light-emitting diodes using a spirobenzofluorene type phosphine oxide as a host material
    • S.O. Jeon, K.S. Yook, C.W. Joo, H.S. Son, S.E. Jang, and J.Y. Lee High efficiency red phosphorescent organic light-emitting diodes using a spirobenzofluorene type phosphine oxide as a host material Organic Electronics 10 2009 998 1000
    • (2009) Organic Electronics , vol.10 , pp. 998-1000
    • Jeon, S.O.1    Yook, K.S.2    Joo, C.W.3    Son, H.S.4    Jang, S.E.5    Lee, J.Y.6
  • 36
    • 78049428843 scopus 로고    scopus 로고
    • Stable efficiency roll-off in red phosphorescent organic light-emitting diodes using a spirofluorene-benzofluorene based carbazole type host material
    • S.E. Jang, S.O. Jeon, Y.J. Cho, K.S. Yook, and J.Y. Lee Stable efficiency roll-off in red phosphorescent organic light-emitting diodes using a spirofluorene-benzofluorene based carbazole type host material Journal of Luminescence 130 2010 2184 2187
    • (2010) Journal of Luminescence , vol.130 , pp. 2184-2187
    • Jang, S.E.1    Jeon, S.O.2    Cho, Y.J.3    Yook, K.S.4    Lee, J.Y.5
  • 37
    • 79957489395 scopus 로고    scopus 로고
    • New fluorescent blue OLED host and dopant materials based on the spirobenzofluorene
    • I.H. Lee, and M.S. Gong New fluorescent blue OLED host and dopant materials based on the spirobenzofluorene Bulletin Korean Chemical Society 32 2011 1475 1482
    • (2011) Bulletin Korean Chemical Society , vol.32 , pp. 1475-1482
    • Lee, I.H.1    Gong, M.S.2
  • 38
    • 77956604148 scopus 로고    scopus 로고
    • Deep-blue OLEDs using novel efficient spiro-type dopant materials
    • Y.M. Jeon, J.Y. Lee, J.W. Kim, C.W. Lee, and M.S. Gong Deep-blue OLEDs using novel efficient spiro-type dopant materials Organic Electronics 11 2010 1844 1852
    • (2010) Organic Electronics , vol.11 , pp. 1844-1852
    • Jeon, Y.M.1    Lee, J.Y.2    Kim, J.W.3    Lee, C.W.4    Gong, M.S.5
  • 39
    • 78649353359 scopus 로고    scopus 로고
    • Highly efficient blue OLED based on 9-anthracene-spirobenzofluorene derivatives as host materials
    • M.S. Gong, H.S. Lee, and Y.M. Jeon Highly efficient blue OLED based on 9-anthracene-spirobenzofluorene derivatives as host materials Journal Materials Chemistry 20 2010 10735 10746
    • (2010) Journal Materials Chemistry , vol.20 , pp. 10735-10746
    • Gong, M.S.1    Lee, H.S.2    Jeon, Y.M.3
  • 40
    • 78649316858 scopus 로고    scopus 로고
    • Orange phosphorescent organic light-emitting diodes based on spirobenzofluorene type carbazole derivatives as a host material
    • Y.M. Jeon, I.H. Lee, H.S. Lee, and M.S. Gong Orange phosphorescent organic light-emitting diodes based on spirobenzofluorene type carbazole derivatives as a host material Dyes and Pigments 89 2011 29 36
    • (2011) Dyes and Pigments , vol.89 , pp. 29-36
    • Jeon, Y.M.1    Lee, I.H.2    Lee, H.S.3    Gong, M.S.4
  • 41
    • 78049390359 scopus 로고    scopus 로고
    • Orange phosphorescent organic light-emitting diodes using a spirobenzofluorene-type phospine oxide as host materials
    • Y.M. Jeon, I.H. Lee, C.W. Lee, J.Y. Lee, and M.S. Gong Orange phosphorescent organic light-emitting diodes using a spirobenzofluorene-type phospine oxide as host materials Bulletin Korean Chemical Society 31 2010 2955 2960
    • (2010) Bulletin Korean Chemical Society , vol.31 , pp. 2955-2960
    • Jeon, Y.M.1    Lee, I.H.2    Lee, C.W.3    Lee, J.Y.4    Gong, M.S.5


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.