Low-density band-gap states in pentacene thin films probed with ultrahigh-sensitivity ultraviolet photoelectron spectroscopy

Applied Physics Letters

Volumn 95, Issue 18, 2009, Pages

  Sueyoshi, Tomoki ^a   Fukagawa, Hirohiko ^a   Ono, Masaki ^a   Kera, Satoshi ^a   Ueno, Nobuo ^a  

^a CHIBA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

BAND GAPS; GAP STATE; HIGHEST OCCUPIED MOLECULAR ORBITAL; LOW DENSITY; MOLECULAR PACKINGS; NON-DOPED; PENTACENE THIN FILMS; ULTRAHIGH SENSITIVITY;

FERMI LEVEL; FERMIONS; MOLECULAR ORBITALS; PHOTOELECTRICITY; PHOTOIONIZATION; PHOTONS; SEMICONDUCTING ORGANIC COMPOUNDS; THIN FILMS;

ULTRAVIOLET PHOTOELECTRON SPECTROSCOPY;

EID: 71049127948     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.3258351     Document Type: Article

References (17)

1. H. Ishii, K. Sugiyama, E. Ito, and K. Seki, Adv. Mater. 0935-9648 11, 605 (1999). 10.1002/(SICI)1521-4095(199906)11:8<605::AID-ADMA605>3.0.CO;2-Q
2. S. Braun, W. R. Salaneck, and M. Fahlman, Adv. Mater. 0935-9648 21, 1450 (2009). 10.1002/adma.200802893
3. J. Hwang, A. Wan, and A. Kahn, Mater. Sci. Eng., R. 64, 1 (2009). 10.1016/j.mser.2008.12.001 0927-796X
4. N. Koch, C. Chan, A. Kahn, and J. Schwartz, Phys. Rev. B 0163-1829 67, 195330 (2003). 10.1103/PhysRevB.67.195330
5. S. Kera, Y. Yabuuchi, H. Yamane, H. Setoyama, K. K. Okudaira, A. Kahn, and N. Ueno, Phys. Rev. B 0163-1829 70, 085304 (2004). 10.1103/PhysRevB.70. 085304
6. H. Fukagawa, S. Kera, T. Kataoka, S. Hosoumi, Y. Watanabe, K. Kudo, and N. Ueno, Adv. Mater. 0935-9648 19, 665 (2007). 10.1002/adma.200601678 (Pubitemid 46932830)
7. S. Duhm, G. Heimel, I. Salzmann, H. Glowatzki, R. L. Johnson, A. Vollmer, J. P. Rabe, and N. Koch, Nature Mater. 1476-1122 7, 326 (2008). 10.1038/nmat2119
8. P. S. Bagus, V. Stämmler, and C. Wöll, Phys. Rev. Lett. 0031-9007 89, 096104 (2002). 10.1103/PhysRevLett.89.096104
9. D. V. Lang, X. Chi, T. Siegrist, A. M. Sergent, and A. P. Ramirez, Phys. Rev. Lett. 0031-9007 93, 086802 (2004). 10.1103/PhysRevLett.93.086802
10. H. Ding and Y. Gao, Appl. Phys. Lett. 0003-6951 86, 213508 (2005). 10.1063/1.1935750 (Pubitemid 40861561)
11. N. Ueno and S. Kera, Prog. Surf. Sci. 0079-6816 83, 490 (2008), and references therein. 10.1016/j.progsurf.2008.10.002
12. K. Fujii, S. Kera, M. Oiwa, K. K. Okudaira, K. Sakamoto, and N. Ueno, Surf. Sci. 0039-6028 601, 3765 (2007). 10.1016/j.susc.2007.04.027 (Pubitemid 47410084)
13. T. Kataoka, H. Fukagawa, S. Hosoumi, K. Nebashi, K. Sakamoto, and N. Ueno, Chem. Phys. Lett. 0009-2614 451, 43 (2008). 10.1016/j.cplett.2007.11.072
14. S. Kera, H. Yamane, and N. Ueno, Prog. Surf. Sci. 0079-6816 84, 135 (2009). 10.1016/j.progsurf.2009.03.002
15. J. H. Kang, D. da Silva Filho, J. -L. Bredas, and X. -Y. Zhu, Appl. Phys. Lett. 0003-6951 86, 152115 (2005). 10.1063/1.1900944 (Pubitemid 40861424)
16. N. Sato, K. Seki, H. Inokuchi, and Y. Harada, Chem. Phys. 0301-0104 109, 157 (1986). 10.1016/0301-0104(86)80194-X
17. M. Pope and C. E. Swenberg, Electronic Processes in Organic Crystals and Polymers (Oxford, New York, 1999).