TY - JOUR
T1 - Electronic structures of a well-defined organic hetero-interface
T2 - C60on pentacene single crystal?
AU - Yamamoto, Masayuki
AU - Nakayama, Yasuo
AU - Uragami, Yuki
AU - Kinjo, Hiroumi
AU - Mizuno, Yuta
AU - Mase, Kazuhiko
AU - Koswattage, Kaveenga Rasika
AU - Ishii, Hisao
N1 - Publisher Copyright:
© 2015 The Surface Science Society of Japan.
PY - 2015
Y1 - 2015
N2 - Electronic structures of donor-acceptor hetero-interfaces are crucial for performance of organic solar cell devices. In the present study, a well-defined organic molecular interface of pentacene single crystal and C60 overlayer is elucidated by x-ray and ultraviolet photoelectron spectroscopy (XPS and UPS) and photoelectron yield spectroscopy (PYS). An energy level diagram at this hetero-molecular contact in the "head-on" orientation is derived, which reveals the vacuum level alignment and flat-band conditions.
AB - Electronic structures of donor-acceptor hetero-interfaces are crucial for performance of organic solar cell devices. In the present study, a well-defined organic molecular interface of pentacene single crystal and C60 overlayer is elucidated by x-ray and ultraviolet photoelectron spectroscopy (XPS and UPS) and photoelectron yield spectroscopy (PYS). An energy level diagram at this hetero-molecular contact in the "head-on" orientation is derived, which reveals the vacuum level alignment and flat-band conditions.
KW - C buckminsterfullerene
KW - Organic semiconductor
KW - Pentacene
KW - Photoelectron spectroscopy
KW - Photoelectron yield spectroscopy
UR - http://www.scopus.com/inward/record.url?scp=84930209889&partnerID=8YFLogxK
U2 - 10.1380/ejssnt.2015.59
DO - 10.1380/ejssnt.2015.59
M3 - Article
AN - SCOPUS:84930209889
SN - 1348-0391
VL - 13
SP - 59
EP - 64
JO - e-Journal of Surface Science and Nanotechnology
JF - e-Journal of Surface Science and Nanotechnology
ER -