메뉴 건너뛰기




Volumn 122, Issue , 2015, Pages 199-205

Push - Pull type porphyrin based sensitizers: The effect of donor structure on the light-harvesting ability and photovoltaic performance

Author keywords

Anthracene; Carbazole; Organic dye; Porphyrin; Push pull; Solar cell

Indexed keywords

ANTHRACENE; CONVERSION EFFICIENCY; MOLECULAR ORBITALS; OPEN CIRCUIT VOLTAGE; PHOTOVOLTAIC EFFECTS; POLYCYCLIC AROMATIC HYDROCARBONS; PORPHYRINS; SOLAR CELLS;

EID: 84937578914     PISSN: 01437208     EISSN: 18733743     Source Type: Journal    
DOI: 10.1016/j.dyepig.2015.06.019     Document Type: Article
Times cited : (28)

References (45)
  • 1
    • 0006483573 scopus 로고
    • A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films
    • B. O'Regan, and M. Grätzel A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films Nature 353 1991 737 740
    • (1991) Nature , vol.353 , pp. 737-740
    • O'Regan, B.1    Grätzel, M.2
  • 3
    • 72849106770 scopus 로고    scopus 로고
    • Large π-aromatic molecules as potential sensitizers for highly efficient dye-sensitized solar cells
    • H. Imahori, T. Umeyama, and S. Ito Large π-aromatic molecules as potential sensitizers for highly efficient dye-sensitized solar cells Acc Chem Res 42 2009 1809 1818
    • (2009) Acc Chem Res , vol.42 , pp. 1809-1818
    • Imahori, H.1    Umeyama, T.2    Ito, S.3
  • 4
    • 84878043444 scopus 로고    scopus 로고
    • Highly efficient dye-sensitized solar cells: progress and future challenges
    • S. Zhang, X. Yang, Y. Numata, and L. Han Highly efficient dye-sensitized solar cells: progress and future challenges Energy Environ Sci 6 2013 1443 1464
    • (2013) Energy Environ Sci , vol.6 , pp. 1443-1464
    • Zhang, S.1    Yang, X.2    Numata, Y.3    Han, L.4
  • 5
    • 70349784869 scopus 로고    scopus 로고
    • Metal-free organic dyes for dye-sensitized solar cells: from structure: property relationships to design rules
    • A. Mishra, M.K.R. Fischer, and P. Bäuerle Metal-free organic dyes for dye-sensitized solar cells: from structure: property relationships to design rules Angew Chem Int Ed 48 2009 2474 2499
    • (2009) Angew Chem Int Ed , vol.48 , pp. 2474-2499
    • Mishra, A.1    Fischer, M.K.R.2    Bäuerle, P.3
  • 6
    • 79951938063 scopus 로고    scopus 로고
    • Sensitizer molecular structure-device efficiency relationship in dye sensitized solar cells
    • J.N. Clifford, E. Martínez-Ferrero, A. Viterisi, and E. Palomares Sensitizer molecular structure-device efficiency relationship in dye sensitized solar cells Chem Soc Rev 40 2011 1635 1646
    • (2011) Chem Soc Rev , vol.40 , pp. 1635-1646
    • Clifford, J.N.1    Martínez-Ferrero, E.2    Viterisi, A.3    Palomares, E.4
  • 7
    • 79960911211 scopus 로고    scopus 로고
    • Dye-sensitized solar cells based on donor-acceptor π-conjugated fluorescent dyes with a pyridine ring as an electron-withdrawing anchoring group
    • Y. Ooyama, S. Inoue, T. Nagano, K. Kushimoto, J. Ohshita, I. Imae, and et al. Dye-sensitized solar cells based on donor-acceptor π-conjugated fluorescent dyes with a pyridine ring as an electron-withdrawing anchoring group Angew Chem Int Ed 50 2011 7429 7433
    • (2011) Angew Chem Int Ed , vol.50 , pp. 7429-7433
    • Ooyama, Y.1    Inoue, S.2    Nagano, T.3    Kushimoto, K.4    Ohshita, J.5    Imae, I.6
  • 8
    • 84863012443 scopus 로고    scopus 로고
    • Perylene imides for organic photovoltaics: yesterday, today, and tomorrow
    • C. Li, and H. Wonneberger Perylene imides for organic photovoltaics: yesterday, today, and tomorrow Adv Mater 24 2012 613 636
    • (2012) Adv Mater , vol.24 , pp. 613-636
    • Li, C.1    Wonneberger, H.2
  • 9
    • 84877742813 scopus 로고    scopus 로고
    • Arylamine organic dyes for dye-sensitized solar cells
    • M. Liang, and J. Chen Arylamine organic dyes for dye-sensitized solar cells Chem Soc Rev 42 2013 3453 3488
    • (2013) Chem Soc Rev , vol.42 , pp. 3453-3488
    • Liang, M.1    Chen, J.2
  • 10
    • 78650089174 scopus 로고    scopus 로고
    • Porphyrins and phthalocyanines in solar photovoltaic cells
    • M.G. Walter, A.B. Rudine, and C.C. Wamser Porphyrins and phthalocyanines in solar photovoltaic cells J Porphyr Phthalocya 14 2010 759 792
    • (2010) J Porphyr Phthalocya , vol.14 , pp. 759-792
    • Walter, M.G.1    Rudine, A.B.2    Wamser, C.C.3
  • 11
    • 84870512307 scopus 로고    scopus 로고
    • Porphyrin-sensitized solar cells
    • L.-L. Li, and E.W.-G. Diau Porphyrin-sensitized solar cells Chem Soc Rev 42 2013 291 304
    • (2013) Chem Soc Rev , vol.42 , pp. 291-304
    • Li, L.-L.1    Diau, E.W.-G.2
  • 12
    • 80555157669 scopus 로고    scopus 로고
    • Porphyrin-sensitized solar cells with Cobalt(II/III)-based redox electrolyte exceed 12 percent efficiency
    • A. Yella, H.-W. Lee, H.N. Tsao, C. Yi, A.K. Chandiran, M.K. Nazeeruddin, and et al. Porphyrin-sensitized solar cells with Cobalt(II/III)-based redox electrolyte exceed 12 percent efficiency Science 334 2011 629 634
    • (2011) Science , vol.334 , pp. 629-634
    • Yella, A.1    Lee, H.-W.2    Tsao, H.N.3    Yi, C.4    Chandiran, A.K.5    Nazeeruddin, M.K.6
  • 13
    • 84896784371 scopus 로고    scopus 로고
    • Molecular engineering of push-pull porphyrin dyes for highly efficient dye-sensitized solar cells: the role of benzene spacers
    • A. Yella, C.-L. Mai, S.M. Zakeeruddin, S.-N. Chang, C.-H. Hsieh, C.-Y. Yeh, and et al. Molecular engineering of push-pull porphyrin dyes for highly efficient dye-sensitized solar cells: the role of benzene spacers Angew Chem Int Ed 53 2014 2973 2977
    • (2014) Angew Chem Int Ed , vol.53 , pp. 2973-2977
    • Yella, A.1    Mai, C.-L.2    Zakeeruddin, S.M.3    Chang, S.-N.4    Hsieh, C.-H.5    Yeh, C.-Y.6
  • 14
    • 84895119853 scopus 로고    scopus 로고
    • Dye-sensitized solar cells with 13% efficiency achieved through the molecular engineering of porphyrin sensitizers
    • S. Mathew, A. Yella, P. Gao, R. Humphry-Baker, B.F.E. Curchod, N. Ashari-Astani, and et al. Dye-sensitized solar cells with 13% efficiency achieved through the molecular engineering of porphyrin sensitizers Nat Chem 6 2014 242 247
    • (2014) Nat Chem , vol.6 , pp. 242-247
    • Mathew, S.1    Yella, A.2    Gao, P.3    Humphry-Baker, R.4    Curchod, B.F.E.5    Ashari-Astani, N.6
  • 16
    • 70449472907 scopus 로고    scopus 로고
    • Design and characterization of highly efficient porphyrin sensitizers for Green see-through dye-sensitized solar cells
    • H.P. Lu, C.L. Mai, C.Y. Tsia, S.J. Hsu, C.P. Hsieh, C.L. Chiu, and et al. Design and characterization of highly efficient porphyrin sensitizers for Green see-through dye-sensitized solar cells Phys Chem Chem Phys 11 2009 10270 10274
    • (2009) Phys Chem Chem Phys , vol.11 , pp. 10270-10274
    • Lu, H.P.1    Mai, C.L.2    Tsia, C.Y.3    Hsu, S.J.4    Hsieh, C.P.5    Chiu, C.L.6
  • 17
    • 75149184942 scopus 로고    scopus 로고
    • Preparation and spectral, electrochemical, and photovoltaic properties of acene-modified zinc porphyrins
    • C.-Y. Lin, Y.-C. Wang, S.-J. Hsu, C.-F. Lo, and E.W.-G. Diau Preparation and spectral, electrochemical, and photovoltaic properties of acene-modified zinc porphyrins J Phys Chem C 114 2010 687 693
    • (2010) J Phys Chem C , vol.114 , pp. 687-693
    • Lin, C.-Y.1    Wang, Y.-C.2    Hsu, S.-J.3    Lo, C.-F.4    Diau, E.W.-G.5
  • 19
    • 74549143389 scopus 로고    scopus 로고
    • Synthesis and characterization of diporphyrin sensitizers for dye-sensitized solar cells
    • C.L. Mai, W.K. Huang, H.P. Lu, C.W. Lee, C.L. Chiu, Y.R. Liang, and et al. Synthesis and characterization of diporphyrin sensitizers for dye-sensitized solar cells Chem Commun 46 2010 809 811
    • (2010) Chem Commun , vol.46 , pp. 809-811
    • Mai, C.L.1    Huang, W.K.2    Lu, H.P.3    Lee, C.W.4    Chiu, C.L.5    Liang, Y.R.6
  • 22
    • 79960968679 scopus 로고    scopus 로고
    • A strategy to design highly efficient porphyrin sensitizers for dye-sensitized solar cells
    • Y.C. Chang, C.L. Wang, T.Y. Pan, S.H. Hong, C.M. Lan, H.H. Kuo, and et al. A strategy to design highly efficient porphyrin sensitizers for dye-sensitized solar cells Chem Commun 47 2011 8910 8912
    • (2011) Chem Commun , vol.47 , pp. 8910-8912
    • Chang, Y.C.1    Wang, C.L.2    Pan, T.Y.3    Hong, S.H.4    Lan, C.M.5    Kuo, H.H.6
  • 23
    • 79960175077 scopus 로고    scopus 로고
    • Perylene anhydride fused porphyrins as near-infrared sensitizers for dye-sensitized solar cells
    • C. Jiao, N. Zu, K.-W. Huang, P. Wang, and J. Wu Perylene anhydride fused porphyrins as near-infrared sensitizers for dye-sensitized solar cells Org Lett 13 2011 3652 3655
    • (2011) Org Lett , vol.13 , pp. 3652-3655
    • Jiao, C.1    Zu, N.2    Huang, K.-W.3    Wang, P.4    Wu, J.5
  • 24
    • 84890821067 scopus 로고    scopus 로고
    • Porphyrins for efficient dye-sensitized solar cells covering the near-IR region
    • C.-H. Wu, M.-C. Chen, P.-C. Su, H.-H. Kuo, C.-L. Wang, C.-Y. Lu, and et al. Porphyrins for efficient dye-sensitized solar cells covering the near-IR region J Mater Chem A 2 2014 991 999
    • (2014) J Mater Chem A , vol.2 , pp. 991-999
    • Wu, C.-H.1    Chen, M.-C.2    Su, P.-C.3    Kuo, H.-H.4    Wang, C.-L.5    Lu, C.-Y.6
  • 25
    • 84859580195 scopus 로고    scopus 로고
    • Design and characterization of alkoxy-wrapped push-pull porphyrins for dye-sensitized solar cells
    • T. Ripolles-Sanchis, B.-C. Guo, H.-P. Wu, T.-Y. Pan, H.-W. Lee, S.R. Raga, and et al. Design and characterization of alkoxy-wrapped push-pull porphyrins for dye-sensitized solar cells Chem Commun 48 2012 4368 4370
    • (2012) Chem Commun , vol.48 , pp. 4368-4370
    • Ripolles-Sanchis, T.1    Guo, B.-C.2    Wu, H.-P.3    Pan, T.-Y.4    Lee, H.-W.5    Raga, S.R.6
  • 26
    • 84858975488 scopus 로고    scopus 로고
    • Modulation of energy levels by donor groups: an effective approach for optimizing the efficiency of zinc-porphyrin based solar cells
    • B. Liu, W.H. Zhu, Y.Q. Wang, W.J. Wu, X. Li, B.Q. Chen, and et al. Modulation of energy levels by donor groups: an effective approach for optimizing the efficiency of zinc-porphyrin based solar cells J Mater Chem 22 2012 7434 7444
    • (2012) J Mater Chem , vol.22 , pp. 7434-7444
    • Liu, B.1    Zhu, W.H.2    Wang, Y.Q.3    Wu, W.J.4    Li, X.5    Chen, B.Q.6
  • 27
    • 84902675837 scopus 로고    scopus 로고
    • Diphenylaminothiophene as the donor of porphyrin sensitizers for dye-sensitized solar cells
    • Y.-Q. Wang, L. Xu, X.D. Wei, X. Li, H. Ågren, W.J. Wu, and et al. Diphenylaminothiophene as the donor of porphyrin sensitizers for dye-sensitized solar cells New J Chem 38 2014 3227 3235
    • (2014) New J Chem , vol.38 , pp. 3227-3235
    • Wang, Y.-Q.1    Xu, L.2    Wei, X.D.3    Li, X.4    Ågren, H.5    Wu, W.J.6
  • 28
    • 78149256018 scopus 로고    scopus 로고
    • Electron recombination kinetics and the analysis of collection efficiency and diffusion length measurements in dye sensitized solar cells
    • P.R.F. Barnes, and B.C. O'Regan Electron recombination kinetics and the analysis of collection efficiency and diffusion length measurements in dye sensitized solar cells J Phys Chem C 114 2010 19134 19140
    • (2010) J Phys Chem C , vol.114 , pp. 19134-19140
    • Barnes, P.R.F.1    O'Regan, B.C.2
  • 29
    • 79952670584 scopus 로고    scopus 로고
    • N-Fused carbazole-zinc porphyrin-free-base porphyrin triad for efficient near-IR dye-sensitized solar cells
    • Y. Liu, H. Lin, J.T. Dy, K. Tamaki, J. Nakazaki, D. Nakayama, and et al. N-Fused carbazole-zinc porphyrin-free-base porphyrin triad for efficient near-IR dye-sensitized solar cells Chem Commun 47 2011 4010 4012
    • (2011) Chem Commun , vol.47 , pp. 4010-4012
    • Liu, Y.1    Lin, H.2    Dy, J.T.3    Tamaki, K.4    Nakazaki, J.5    Nakayama, D.6
  • 30
    • 84870160330 scopus 로고    scopus 로고
    • Ethynyl-linked push-pull porphyrin hetero-dimers for near-IR dye-sensitized solar cells: photovoltaic performances versus excited-state dynamics
    • Y. Liu, H. Lin, J. Li, J.T. Dy, K. Tamaki, J. Nakazaki, and et al. Ethynyl-linked push-pull porphyrin hetero-dimers for near-IR dye-sensitized solar cells: photovoltaic performances versus excited-state dynamics Phys Chem Chem Phys 14 2012 16703 16712
    • (2012) Phys Chem Chem Phys , vol.14 , pp. 16703-16712
    • Liu, Y.1    Lin, H.2    Li, J.3    Dy, J.T.4    Tamaki, K.5    Nakazaki, J.6
  • 31
    • 84881413048 scopus 로고    scopus 로고
    • Porphyrins bearing long alkoxyl chains and carbazole for dye-sensitized solar cells: tuning cell performance through an ethynylene bridge
    • Y.Q. Wang, X. Li, B. Liu, W.J. Wu, W.H. Zhu, and Y.S. Xie Porphyrins bearing long alkoxyl chains and carbazole for dye-sensitized solar cells: tuning cell performance through an ethynylene bridge RSC Adv 3 2013 14780 14790
    • (2013) RSC Adv , vol.3 , pp. 14780-14790
    • Wang, Y.Q.1    Li, X.2    Liu, B.3    Wu, W.J.4    Zhu, W.H.5    Xie, Y.S.6
  • 32
    • 84892178966 scopus 로고    scopus 로고
    • N-annulated perylene as an efficient electron donor for porphyrin-based dyes: enhanced light-harvesting ability and high-efficiency Co(II/III)-based dye-sensitized solar cells
    • J. Luo, M. Xu, R. Li, K.-W. Huang, C. Jiang, Q. Qi, and et al. N-annulated perylene as an efficient electron donor for porphyrin-based dyes: enhanced light-harvesting ability and high-efficiency Co(II/III)-based dye-sensitized solar cells J Am Chem Soc 136 2014 265 272
    • (2014) J Am Chem Soc , vol.136 , pp. 265-272
    • Luo, J.1    Xu, M.2    Li, R.3    Huang, K.-W.4    Jiang, C.5    Qi, Q.6
  • 33
    • 84912104429 scopus 로고    scopus 로고
    • Cosensitizers for simultaneous filling up of both absorption valleys of porphyrins: a novel approach for developing efficient panchromatic dye-sensitized solar cells
    • X. Sun, Y.Q. Wang, X. Li, H. Ågren, W.H. Zhu, H. Tian, and et al. Cosensitizers for simultaneous filling up of both absorption valleys of porphyrins: a novel approach for developing efficient panchromatic dye-sensitized solar cells Chem Commun 50 2014 15609 15612
    • (2014) Chem Commun , vol.50 , pp. 15609-15612
    • Sun, X.1    Wang, Y.Q.2    Li, X.3    Ågren, H.4    Zhu, W.H.5    Tian, H.6
  • 34
    • 84907904929 scopus 로고    scopus 로고
    • Efficient solar cells sensitized by porphyrins with an extended conjugation framework and a carbazole donor: from molecular design to cosensitization
    • Y.Q. Wang, B. Chen, W.J. Wu, X. Li, W.H. Zhu, H. Tian, and et al. Efficient solar cells sensitized by porphyrins with an extended conjugation framework and a carbazole donor: from molecular design to cosensitization Angew Chem Int Ed 53 2014 10779 10783
    • (2014) Angew Chem Int Ed , vol.53 , pp. 10779-10783
    • Wang, Y.Q.1    Chen, B.2    Wu, W.J.3    Li, X.4    Zhu, W.H.5    Tian, H.6
  • 35
    • 0347695851 scopus 로고    scopus 로고
    • Enhance the performance of dye-sensitized solar cells by co-grafting amphiphilic sensitizer and hexadecylmalonic acid on TiO2 nanocrystals
    • P. Wang, S.M. Zakeeruddin, P. Comte, R. Charvet, R. Humphry-Baker, and M. Grätzel Enhance the performance of dye-sensitized solar cells by co-grafting amphiphilic sensitizer and hexadecylmalonic acid on TiO2 nanocrystals J Phys Chem B 107 2003 14336 14341
    • (2003) J Phys Chem B , vol.107 , pp. 14336-14341
    • Wang, P.1    Zakeeruddin, S.M.2    Comte, P.3    Charvet, R.4    Humphry-Baker, R.5    Grätzel, M.6
  • 37
    • 33646546030 scopus 로고    scopus 로고
    • π-conjugated aromatic enynes as a single emitting-component for white electroluminescence
    • Y. Liu, M. Nishiura, Y. Wang, and Z. Hou π-conjugated aromatic enynes as a single emitting-component for white electroluminescence J Am Chem Soc 128 2006 5592 5593
    • (2006) J Am Chem Soc , vol.128 , pp. 5592-5593
    • Liu, Y.1    Nishiura, M.2    Wang, Y.3    Hou, Z.4
  • 38
    • 84869417478 scopus 로고    scopus 로고
    • Boron-doped tri(9,10-anthrylene)s: synthesis, structural characterization, and optoelectronic properties
    • C. Hoffend, F. Schçdel, M. Bolte, H.-W. Lerner, and M. Wagner Boron-doped tri(9,10-anthrylene)s: synthesis, structural characterization, and optoelectronic properties Chem Eur J 18 2012 15394 15405
    • (2012) Chem Eur J , vol.18 , pp. 15394-15405
    • Hoffend, C.1    Schçdel, F.2    Bolte, M.3    Lerner, H.-W.4    Wagner, M.5
  • 39
    • 77955333675 scopus 로고    scopus 로고
    • Tuning spectral and electrochemical properties of porphyrin-sensitized solar cells
    • C.-F. Lo, S.-J. Hsu, C.-L. Wang, Y.-H. Cheng, H.-P. Lu, E.W.-G. Diau, and et al. Tuning spectral and electrochemical properties of porphyrin-sensitized solar cells J Phys Chem C 114 2010 12018 12023
    • (2010) J Phys Chem C , vol.114 , pp. 12018-12023
    • Lo, C.-F.1    Hsu, S.-J.2    Wang, C.-L.3    Cheng, Y.-H.4    Lu, H.-P.5    Diau, E.W.-G.6
  • 40
    • 0002347508 scopus 로고    scopus 로고
    • K.M. Kadish, K.M. Smith, G. Guilard, Academic Press New York
    • K.M. Kadish, E.V. Caemelbecke, and G. Royal K.M. Kadish, K.M. Smith, G. Guilard, The porphyrin handbook 8 and 9 2000 Academic Press New York 1 97
    • (2000) The porphyrin handbook , vol.8-9 , pp. 1-97
    • Kadish, K.M.1    Caemelbecke, E.V.2    Royal, G.3
  • 41
    • 0001562157 scopus 로고
    • The polarographic chemistry of ferrocene, ruthenocene and the metal hydrocarbon ions
    • J.A. Page, and G. Wilkinson The polarographic chemistry of ferrocene, ruthenocene and the metal hydrocarbon ions J Am Chem Soc 74 1952 6149 6150
    • (1952) J Am Chem Soc , vol.74 , pp. 6149-6150
    • Page, J.A.1    Wilkinson, G.2
  • 42
    • 0347695851 scopus 로고    scopus 로고
    • Enhance the performance of dye-sensitized solar cells by co-grafting amphiphilic sensitizer and hexadecylmalonic acid on TiO2 nanocrystals
    • P. Wang, S.M. Zakeeruddin, P. Comte, R. Charvet, R. Humphry-Baker, and M. Grätzel Enhance the performance of dye-sensitized solar cells by co-grafting amphiphilic sensitizer and hexadecylmalonic acid on TiO2 nanocrystals J Phys Chem B 107 2003 14336 14341
    • (2003) J Phys Chem B , vol.107 , pp. 14336-14341
    • Wang, P.1    Zakeeruddin, S.M.2    Comte, P.3    Charvet, R.4    Humphry-Baker, R.5    Grätzel, M.6
  • 43
    • 84863681119 scopus 로고    scopus 로고
    • Minimizing energy losses in dye-sensitized solar cells using coordination compounds as alternative redox mediators coupled with appropriate organic dyes
    • T. Stergiopoulos, and P. Falaras Minimizing energy losses in dye-sensitized solar cells using coordination compounds as alternative redox mediators coupled with appropriate organic dyes Adv Energy Mater 2 2012 616 627
    • (2012) Adv Energy Mater , vol.2 , pp. 616-627
    • Stergiopoulos, T.1    Falaras, P.2
  • 44
    • 33748799408 scopus 로고    scopus 로고
    • Measuring charge transport from transient photovoltage rise times. A new tool to investigate electron transport in nanoparticle films
    • B.C. O'Regan, K. Bakker, J. Kroeze, H. Smit, P. Sommeling, and J.R. Durrant Measuring charge transport from transient photovoltage rise times. A new tool to investigate electron transport in nanoparticle films J Phys Chem B 110 2006 17155 17160
    • (2006) J Phys Chem B , vol.110 , pp. 17155-17160
    • O'Regan, B.C.1    Bakker, K.2    Kroeze, J.3    Smit, H.4    Sommeling, P.5    Durrant, J.R.6
  • 45
    • 0033790230 scopus 로고    scopus 로고
    • A novel charge extraction method for the study of electron transport and interfacial transfer in dye-sensitised nanocrystalline photovoltaic cells
    • N.W. Duffy, L.M. Peter, R.M.G. Rajapakse, and K.G.U. Wijayant A novel charge extraction method for the study of electron transport and interfacial transfer in dye-sensitised nanocrystalline photovoltaic cells Electrochem Commun 2 2000 658 662
    • (2000) Electrochem Commun , vol.2 , pp. 658-662
    • Duffy, N.W.1    Peter, L.M.2    Rajapakse, R.M.G.3    Wijayant, K.G.U.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.