SCOPUS 정보 검색 플랫폼

Advanced Materials

Volumn 27, Issue 11, 2015, Pages 1951-1956

An All-Small-Molecule Organic Solar Cell with High Efficiency Nonfullerene Acceptor

(5) Kwon, Oh Kyu a Park, Jung Hwa a Kim, Dong Won a Park, Sang Kyu a Park, Soo Young a

a Seoul National University (South Korea)

Author keywords

all small molecule solar cells; fullerene free devices; nonfullerene acceptors; thermal annealing

Indexed keywords

HETEROJUNCTIONS; MOLECULES; PHASE SEPARATION;

CHARGE CARRIER GENERATION; DONOR-ACCEPTOR SYSTEM; FULLERENE FREE; NANO-SCALE PHASE SEPARATION; NONFULLERENE ACCEPTORS; SMALL MOLECULES; SMALL-MOLECULE ORGANIC SOLAR CELLS; THERMAL-ANNEALING;

SOLAR CELLS;

EID: 85027942515 PISSN: 09359648 EISSN: 15214095 Source Type: Journal
DOI: 10.1002/adma.201405429 Document Type: Article

Times cited : (186)

References (51)

1
- 0029358852
- J. J. M. Halls, C. A. Walsh, N. C. Greenham, E. A. Marseglia, R. H. Friend, S. C. Moratti, A. B. Holmes, Nature (London) 1995, 376, 498.
- (1995) Nature (London) , vol.376 , pp. 498
- Halls, J.J.M.¹ Walsh, C.A.² Greenham, N.C.³ Marseglia, E.A.⁴ Friend, R.H.⁵ Moratti, S.C.⁶ Holmes, A.B.⁷

2
- 0029483704
- G. Yu, J. Gao, J. C. Hummelen, F. Wudl, A. J. Heeger, Science 1995, 270, 1789.
- (1995) Science , vol.270 , pp. 1789
- Yu, G.¹ Gao, J.² Hummelen, J.C.³ Wudl, F.⁴ Heeger, A.J.⁵

3
- 84891835512
- A. J. Heeger, Adv. Mater. 2014, 26, 10.
- (2014) Adv. Mater. , vol.26 , pp. 10
- Heeger, A.J.¹

4
- 84919751433
- a) Y. Liu, J. Zhao, Z. Li, C. Mu, W. Ma, H. Hu, K. Jiang, H. Lin, H. Ade, H. Yan, Nat. Commun. 2014, 5, 5293;
- (2014) Nat. Commun. , vol.5 , pp. 5293
- Liu, Y.¹ Zhao, J.² Li, Z.³ Mu, C.⁴ Ma, W.⁵ Hu, H.⁶ Jiang, K.⁷ Lin, H.⁸ Ade, H.⁹ Yan, H.¹⁰

5
- 84906786765
- b) C.-C. Chen, W.-H. Chang, K. Yoshimura, K. Ohya, J. You, J. Gao, Z. Hong, Y. Yang, Adv. Mater. 2014, 26, 5670.
- (2014) Adv. Mater. , vol.26 , pp. 5670
- Chen, C.-C.¹ Chang, W.-H.² Yoshimura, K.³ Ohya, K.⁴ You, J.⁵ Gao, J.⁶ Hong, Z.⁷ Yang, Y.⁸

6
- 84889594446
- a) Y. Liu, C.-C. Chen, Z. Hong, J. Gao, Y. Yang, H. Zhou, L. Dou, G. Li, Y. Yang, Sci. Rep. 2013, 3, 3356;
- (2013) Sci. Rep. , vol.3 , pp. 3356
- Liu, Y.¹ Chen, C.-C.² Hong, Z.³ Gao, J.⁴ Yang, Y.⁵ Zhou, H.⁶ Dou, L.⁷ Li, G.⁸ Yang, Y.⁹

7
- 84908610778
- b) B. Kan, Q. Zhang, M. Li, X. Wan, W. Ni, G. Long, Y. Wang, X. Yang, H. Feng, Y. Chen, J. Am. Chem. Soc. 2014, 136, 15529.
- (2014) J. Am. Chem. Soc. , vol.136 , pp. 15529
- Kan, B.¹ Zhang, Q.² Li, M.³ Wan, X.⁴ Ni, W.⁵ Long, G.⁶ Wang, Y.⁷ Yang, X.⁸ Feng, H.⁹ Chen, Y.¹⁰

8
- 33751155464
- a) J. C. Hummelen, B. W. Knight, F. LePeq, F. Wudl, J. Yao, C. L. Wilkins, J. Org. Chem. 1995, 60, 532;
- (1995) J. Org. Chem. , vol.60 , pp. 532
- Hummelen, J.C.¹ Knight, B.W.² LePeq, F.³ Wudl, F.⁴ Yao, J.⁵ Wilkins, C.L.⁶

9
- 0042530483
- b) M. M. Wienk, J. M. Kroon, W. J. H. Verhees, J. Knol, J. C. Hummelen, P. A. van Hal, R. A. J. Janssen, Angew. Chem. Int. Ed. 2003, 42, 3371.
- (2003) Angew. Chem. Int. Ed. , vol.42 , pp. 3371
- Wienk, M.M.¹ Kroon, J.M.² Verhees, W.J.H.³ Knol, J.⁴ Hummelen, J.C.⁵ Van Hal, P.A.⁶ Janssen, R.A.J.⁷

10
- 84947062145
- Y. Lin, X. Zhan, Mater. Horiz. 2014, 1, 470.
- (2014) Mater. Horiz. , vol.1 , pp. 470
- Lin, Y.¹ Zhan, X.²

11
- 84908610814
- a) Y. Zhong, M. T. Trinh, R. Chen, W. Wang, P. P. Khlyabich, B. Kumar, Q. Xu, C.-Y. Nam, M. Y. Sfeir, C. Black, M. L. Steigerwald, Y.-L. Loo, S. Xiao, F. Ng, X.-Y. Zhu, C. Nuckolls, J. Am. Chem. Soc. 2014, 136, 15215;
- (2014) J. Am. Chem. Soc. , vol.136 , pp. 15215
- Zhong, Y.¹ Trinh, M.T.² Chen, R.³ Wang, W.⁴ Khlyabich, P.P.⁵ Kumar, B.⁶ Xu, Q.⁷ Nam, C.-Y.⁸ Sfeir, M.Y.⁹ Black, C.¹⁰ Steigerwald, M.L.¹¹ Loo, Y.-L.¹² Xiao, S.¹³ Ng, F.¹⁴ Zhu, X.-Y.¹⁵ Nuckolls, C.¹⁶

12
- 84924972400
- b) J. Zhao, Y. Li, H. Lin, Y. Liu, K. Jiang, C. Mu, T. Ma, J. Y. L. Lai, H. Yan, Energy Environ. Sci. 2015, DOI: 10.1039/C4EE02990A.
- (2015) Energy Environ. Sci.
- Zhao, J.¹ Li, Y.² Lin, H.³ Liu, Y.⁴ Jiang, K.⁵ Mu, C.⁶ Ma, T.⁷ Lai, J.Y.L.⁸ Yan, H.⁹

13
- 84906784546
- Y. Zang, C.-Z. Li, C.-C. Chueh, S. T. Williams, W. Jiang, Z.-H. Wang, J.-S. Yu, A. K.-Y. Jen, Adv. Mater. 2014, 26, 5708.
- (2014) Adv. Mater. , vol.26 , pp. 5708
- Zang, Y.¹ Li, C.-Z.² Chueh, C.-C.³ Williams, S.T.⁴ Jiang, W.⁵ Wang, Z.-H.⁶ Yu, J.-S.⁷ Jen, A.K.-Y.⁸

14
- 84902216072
- Y. Zhou, T. Kurosawa, W. Ma, Y. Guo, L. Fang, K. Vandewal, Y. Diao, C. Wang, Q. Yan, J. Reinspach, J. Mei, A. L. Appleton, G. I. Koleilat, Y. Gao, S. C. B. Mannsfeld, A. Salleo, H. Ade, D. Zhao, Z. Bao, Adv. Mater. 2014, 26, 3767.
- (2014) Adv. Mater. , vol.26 , pp. 3767
- Zhou, Y.¹ Kurosawa, T.² Ma, W.³ Guo, Y.⁴ Fang, L.⁵ Vandewal, K.⁶ Diao, Y.⁷ Wang, C.⁸ Yan, Q.⁹ Reinspach, J.¹⁰ Mei, J.¹¹ Appleton, A.L.¹² Koleilat, G.I.¹³ Gao, Y.¹⁴ Mannsfeld, S.C.B.¹⁵ Salleo, A.¹⁶ Ade, H.¹⁷ Zhao, D.¹⁸ Bao, Z.¹⁹

15
- 84908368677
- H. Li, T. Earmme, G. Ren, A. Saeki, S. Yoshikawa, N. M. Murari, S. Subramaniyan, M. J. Crane, S. Seki, S. A. Jenekhe, J. Am. Chem. Soc. 2014, 136, 14589.
- (2014) J. Am. Chem. Soc. , vol.136 , pp. 14589
- Li, H.¹ Earmme, T.² Ren, G.³ Saeki, A.⁴ Yoshikawa, S.⁵ Murari, N.M.⁶ Subramaniyan, S.⁷ Crane, M.J.⁸ Seki, S.⁹ Jenekhe, S.A.¹⁰

16
- 84906275719
- a) D. Mori, H. Benten, I. Okada, H. Ohkita, S. Ito, Energy Environ. Sci. 2014, 7, 2939;
- (2014) Energy Environ. Sci. , vol.7 , pp. 2939
- Mori, D.¹ Benten, H.² Okada, I.³ Ohkita, H.⁴ Ito, S.⁵

17
- 84941130191
- b) C. Mu, P. Liu, W. Ma, K. Jiang, J. Zhao, K. Zhang, Z. Chen, Z. Wei, Y. Yi, J. Wang, S. Yang, F. Huang, A. Facchetti, H. Ade, H. Yan, Adv. Mater. 2014, 26, 7224;
- (2014) Adv. Mater. , vol.26 , pp. 7224
- Mu, C.¹ Liu, P.² Ma, W.³ Jiang, K.⁴ Zhao, J.⁵ Zhang, K.⁶ Chen, Z.⁷ Wei, Z.⁸ Yi, Y.⁹ Wang, J.¹⁰ Yang, S.¹¹ Huang, F.¹² Facchetti, A.¹³ Ade, H.¹⁴ Yan, H.¹⁵

18
- 85027939897
- c) T. Earmme, Y.-J. Hwang, S. Subramaniyan, S. A. Jenekhe, Adv. Mater. 2014, 26, 6080.
- (2014) Adv. Mater. , vol.26 , pp. 6080
- Earmme, T.¹ Hwang, Y.-J.² Subramaniyan, S.³ Jenekhe, S.A.⁴

19
- 84894479297
- N. Zhou, H. Lin, S. J. Lou, X. Yu, P. Guo, E. F. Manley, S. Loser, P. Hartnett, H. Huang, M. R. Wasielewski, L. X. Chen, R. P. H. Chang, A. Facchetti, T. J. Marks, Adv. Energy Mater. 2014, 4, 1300785.
- (2014) Adv. Energy Mater. , vol.4 , pp. 1300785
- Zhou, N.¹ Lin, H.² Lou, S.J.³ Yu, X.⁴ Guo, P.⁵ Manley, E.F.⁶ Loser, S.⁷ Hartnett, P.⁸ Huang, H.⁹ Wasielewski, M.R.¹⁰ Chen, L.X.¹¹ Chang, R.P.H.¹² Facchetti, A.¹³ Marks, T.J.¹⁴

20
- 84920861599
- O. K. Kwon, J.-H. Park, S. K. Park, S. Y. Park, Adv. Energy Mater. 2015, 5, 1400929.
- (2015) Adv. Energy Mater. , vol.5 , pp. 1400929
- Kwon, O.K.¹ Park, J.-H.² Park, S.K.³ Park, S.Y.⁴

21
- 84882611905
- a) A. Sharenko, C. M. Proctor, T. S. van der Poll, Z. B. Henson, T.-Q. Nguyen, G. C. Bazan, Adv. Mater. 2013, 25, 4403;
- (2013) Adv. Mater. , vol.25 , pp. 4403
- Sharenko, A.¹ Proctor, C.M.² Van Der Poll, T.S.³ Henson, Z.B.⁴ Nguyen, T.-Q.⁵ Bazan, G.C.⁶

22
- 84904704072
- b) A. Sharenko, D. Gehrig, F. Laquai, T.-Q. Nguyen, Chem. Mater. 2014, 26, 4109;
- (2014) Chem. Mater. , vol.26 , pp. 4109
- Sharenko, A.¹ Gehrig, D.² Laquai, F.³ Nguyen, T.-Q.⁴

23
- 84904624545
- c) P. Cheng, X. Zhao, W. Zhou, J. Hou, Y. Li, X. Zhan, Org. Electron. 2014, 15, 2270;
- (2014) Org. Electron. , vol.15 , pp. 2270
- Cheng, P.¹ Zhao, X.² Zhou, W.³ Hou, J.⁴ Li, Y.⁵ Zhan, X.⁶

24
- 85027918236
- d) Z. Li, J. D. A. Lin, H. Phan, A. Sharenko, C. M. Proctor, P. Zalar, Z. Chen, A. Facchetti, T.-Q. Nguyen, Adv. Funct. Mater. 2014, 24, 6989.
- (2014) Adv. Funct. Mater. , vol.24 , pp. 6989
- Li, Z.¹ Lin, J.D.A.² Phan, H.³ Sharenko, A.⁴ Proctor, C.M.⁵ Zalar, P.⁶ Chen, Z.⁷ Facchetti, A.⁸ Nguyen, T.-Q.⁹

25
- 84904357822
- a) Y. Lin, J. Wang, S. Dai, Y. Li, D. Zhu, X. Zhan, Adv. Energy Mater. 2014, 4, 1400420;
- (2014) Adv. Energy Mater. , vol.4 , pp. 1400420
- Lin, Y.¹ Wang, J.² Dai, S.³ Li, Y.⁴ Zhu, D.⁵ Zhan, X.⁶

26
- 84896992237
- b) J. Huang, X. Wang, X. Zhang, Z. Niu, Z. Lu, B. Jiang, Y. Sun, C. Zhan, J. Yao, ACS Appl. Mater. Interfaces 2014, 6, 3853;
- (2014) ACS Appl. Mater. Interfaces , vol.6 , pp. 3853
- Huang, J.¹ Wang, X.² Zhang, X.³ Niu, Z.⁴ Lu, Z.⁵ Jiang, B.⁶ Sun, Y.⁷ Zhan, C.⁸ Yao, J.⁹

27
- 84903592254
- c) J. D. Douglas, M. S. Chen, J. R. Niskala, O. P. Lee, A. T. Yiu, E. P. Young, J. M. J. Fréchet, Adv. Mater. 2014, 26, 4313.
- (2014) Adv. Mater. , vol.26 , pp. 4313
- Douglas, J.D.¹ Chen, M.S.² Niskala, J.R.³ Lee, O.P.⁴ Yiu, A.T.⁵ Young, E.P.⁶ Fréchet, J.M.J.⁷

28
- 84906785442
- a) J. T. Bloking, T. Giovenzana, A. T. Higgs, A. J. Ponec, E. T. Hoke, K. Vandewal, S. Ko, Z. Bao, A. Sellinger, M. D. McGehee, Adv. Energy Mater. 2014, 4, 1301426;
- (2014) Adv. Energy Mater. , vol.4 , pp. 1301426
- Bloking, J.T.¹ Giovenzana, T.² Higgs, A.T.³ Ponec, A.J.⁴ Hoke, E.T.⁵ Vandewal, K.⁶ Ko, S.⁷ Bao, Z.⁸ Sellinger, A.⁹ McGehee, M.D.¹⁰

29
- 84941026349
- b) Z. Mao, W. Senevirathna, J.-Y. Liao, J. Gu, S. V. Kesava, C. Guo, E. D. Gomez, G. Sauvé Adv. Mater. 2014, 26, 6290
- (2014) Adv. Mater. , vol.26 , pp. 6290
- Mao, Z.¹ Senevirathna, W.² Liao, J.-Y.³ Gu, J.⁴ Kesava, S.V.⁵ Guo, C.⁶ Gomez, E.D.⁷ Sauvé, G.⁸

30
- 84901497056
- c) W. Li, W. S. C. Roelofs, M. Turbiez, M. M. Wienk, R. A. J. Janssen, Adv. Mater. 2014, 26, 3304.
- (2014) Adv. Mater. , vol.26 , pp. 3304
- Li, W.¹ Roelofs, W.S.C.² Turbiez, M.³ Wienk, M.M.⁴ Janssen, R.A.J.⁵

31
- 84859907796
- a) B.-K. An, J. Gierschner, S. Y. Park, Acc. Chem. Res. 2012, 45, 544;
- (2012) Acc. Chem. Res. , vol.45 , pp. 544
- An, B.-K.¹ Gierschner, J.² Park, S.Y.³

32
- 84863012660
- b) S. W. Yun, J. H. Kim, S. Shin, H. Yang, B.-K. An, L. Yang, S. Y. Park, Adv. Mater. 2012, 24, 911.
- (2012) Adv. Mater. , vol.24 , pp. 911
- Yun, S.W.¹ Kim, J.H.² Shin, S.³ Yang, H.⁴ An, B.-K.⁵ Yang, L.⁶ Park, S.Y.⁷

33
- 84863713695
- T. S. van der Poll, J. A. Love, T.-Q. Nguyen, G. C. Bazan, Adv. Mater. 2012, 24, 3646.
- (2012) Adv. Mater. , vol.24 , pp. 3646
- Van Der Poll, T.S.¹ Love, J.A.² Nguyen, T.-Q.³ Bazan, G.C.⁴

34
- 84886422440
- J. A. Love, C. M. Proctor, J. Liu, C. J. Takacs, A. Sharenko, T. S. van der Poll, A. J. Heeger, G. C. Bazan, T.-Q. Nguyen, Adv. Funct. Mater. 2013, 23, 5019.
- (2013) Adv. Funct. Mater. , vol.23 , pp. 5019
- Love, J.A.¹ Proctor, C.M.² Liu, J.³ Takacs, C.J.⁴ Sharenko, A.⁵ Van Der Poll, T.S.⁶ Heeger, A.J.⁷ Bazan, G.C.⁸ Nguyen, T.-Q.⁹

35
- 84881566079
- A. K. K. Kyaw, D. H. Wang, D. Wynands, J. Zhang, T.-Q. Nguyen, G. C. Bazan, A. J. Heeger, Nano Lett. 2013, 13, 3796.
- (2013) Nano Lett. , vol.13 , pp. 3796
- Kyaw, A.K.K.¹ Wang, D.H.² Wynands, D.³ Zhang, J.⁴ Nguyen, T.-Q.⁵ Bazan, G.C.⁶ Heeger, A.J.⁷

36
- 84898430906
- a) V. Gupta, A. K. K. Kyaw, D. H. Wang, S. Chand, G. C. Bazan, A. J. Heeger, Sci. Rep. 2013, 3, 1965;
- (2013) Sci. Rep. , vol.3 , pp. 1965
- Gupta, V.¹ Kyaw, A.K.K.² Wang, D.H.³ Chand, S.⁴ Bazan, G.C.⁵ Heeger, A.J.⁶

37
- 84903130193
- b) Y. Huang, W. Wen, S. Mukherjee, H. Ade, E. J. Kramer, G. C. Bazan, Adv. Mater. 2014, 26, 4168.
- (2014) Adv. Mater. , vol.26 , pp. 4168
- Huang, Y.¹ Wen, W.² Mukherjee, S.³ Ade, H.⁴ Kramer, E.J.⁵ Bazan, G.C.⁶

38
- 84902340105
- J. Roncali, P. Leriche, P. Blanchard, Adv. Mater. 2014, 26, 3821.
- (2014) Adv. Mater. , vol.26 , pp. 3821
- Roncali, J.¹ Leriche, P.² Blanchard, P.³

39
- 42749100181
- V. D. Mihailetchi, L. J. A. Koster, J. C. Hummelen, P. W. M. Blom, Phys. Rev. Lett. 2004, 93, 216601.
- (2004) Phys. Rev. Lett. , vol.93 , pp. 216601
- Mihailetchi, V.D.¹ Koster, L.J.A.² Hummelen, J.C.³ Blom, P.W.M.⁴

40
- 84887404231
- C. M. Proctor, M. Kuik, T.-Q. Nguyen, Prog. Polym. Sci. 2013, 38, 1941.
- (2013) Prog. Polym. Sci. , vol.38 , pp. 1941
- Proctor, C.M.¹ Kuik, M.² Nguyen, T.-Q.³

41
- 78651265117
- S. R. Cowan, A. Roy, A. J. Heeger, Phys. Rev. B 2010, 82, 245207.
- (2010) Phys. Rev. B , vol.82 , pp. 245207
- Cowan, S.R.¹ Roy, A.² Heeger, A.J.³

42
- 84878077894
- a) B. Qi, J. Wang, Phys. Chem. Chem. Phys. 2013, 15, 8972;
- (2013) Phys. Chem. Chem. Phys. , vol.15 , pp. 8972
- Qi, B.¹ Wang, J.²

43
- 79551583037
- b) S. R. Cowan, R. A. Street, S. Cho, A. J. Heeger, Phys. Rev. B 2011, 83, 035205;
- (2011) Phys. Rev. B , vol.83 , pp. 035205
- Cowan, S.R.¹ Street, R.A.² Cho, S.³ Heeger, A.J.⁴

44
- 84904721947
- c) C. M. Proctor, S. Albrecht, M. Kuik, D. Neher, T.-Q. Nguyen, Adv. Energy Mater. 2014, 4, 1400230;
- (2014) Adv. Energy Mater. , vol.4 , pp. 1400230
- Proctor, C.M.¹ Albrecht, S.² Kuik, M.³ Neher, D.⁴ Nguyen, T.-Q.⁵

45
- 84884293817
- d) A. Guerrero, S. Loser, G. Garcia-Belmonte, C. J. Bruns, J. Smith, H. Miyauchi, S. I. Stupp, J. Bisquert, T. J. Marks, Phys. Chem. Chem. Phys. 2013, 15, 16456.
- (2013) Phys. Chem. Chem. Phys. , vol.15 , pp. 16456
- Guerrero, A.¹ Loser, S.² Garcia-Belmonte, G.³ Bruns, C.J.⁴ Smith, J.⁵ Miyauchi, H.⁶ Stupp, S.I.⁷ Bisquert, J.⁸ Marks, T.J.⁹

46
- 84941056594
- C. M. Proctor, J. A. Love, T.-Q. Nguyen, Adv. Mater. 2014, 26, 5957.
- (2014) Adv. Mater. , vol.26 , pp. 5957
- Proctor, C.M.¹ Love, J.A.² Nguyen, T.-Q.³

47
- 0000762260
- G. G. Malliaras, J. R. Salem, P. J. Brock, J. C. Scott, Phys. Rev. B 1998, 58, R13411.
- (1998) Phys. Rev. B , vol.58 , pp. R13411
- Malliaras, G.G.¹ Salem, J.R.² Brock, P.J.³ Scott, J.C.⁴

48
- 84857575343
- a) D. M. DeLongchamp, R. J. Kline, A. Herzing, Energy Environ. Sci. 2012, 5, 5980;
- (2012) Energy Environ. Sci. , vol.5 , pp. 5980
- DeLongchamp, D.M.¹ Kline, R.J.² Herzing, A.³

49
- 84908366763
- b) Y. Huang, E. J. Kramer, A. J. Heeger, G. C. Bazan, Chem. Rev. 2014, 114, 7006.
- (2014) Chem. Rev. , vol.114 , pp. 7006
- Huang, Y.¹ Kramer, E.J.² Heeger, A.J.³ Bazan, G.C.⁴

50
- 84555189263
- a) M. F. G. Klein, M. Pfaff, E. Müller, J. Czolk, M. Reinhard, S. Valouch, U. Lemmer, A. Colsmann, D. Gerthsen, J. Polym. Sci., Part B: Polym. Phys. 2012, 50, 198;
- (2012) J. Polym. Sci., Part B: Polym. Phys. , vol.50 , pp. 198
- Klein, M.F.G.¹ Pfaff, M.² Müller, E.³ Czolk, J.⁴ Reinhard, M.⁵ Valouch, S.⁶ Lemmer, U.⁷ Colsmann, A.⁸ Gerthsen, D.⁹

51
- 84877289317
- b) J. D. Roehling, K. J. Batenburg, F. B. Swain, A. J. Moulé, I. Arslan, Adv. Funct. Mater. 2013, 23, 2115.
- (2013) Adv. Funct. Mater. , vol.23 , pp. 2115
- Roehling, J.D.¹ Batenburg, K.J.² Swain, F.B.³ Moulé, A.J.⁴ Arslan, I.⁵

* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.