TY - GEN
T1 - Study on work function of modified indium tin oxide and performance of organic electroluminescent devices
AU - Munkhbat, Battulga
AU - Gendensuren, Bolormaa
AU - Tumenulzii, Ganbaatar
AU - Dashzeveg, Rentsenmyadag
AU - Davaasambuu, Sarangerel
AU - Dyckes, Douglas F.
AU - Chimed, Ganzorig
N1 - Funding Information:
This research work was supported by the project “Study on characterization of optical and electrical for nano-structured thin film” at School of Chemistry and Chemical Engineering, National University of Mongolia. This research work also supported in part by Grant-in-Aid (2008-2015) for National Innovation System R&D Program in Mongolia (No. H1.1.2) and Grant (2011-2013) of Minister of Education, Culture and Science for young scientists. We would like to acknowledge and thank all the members of our research center for their aids and kind cooperations.
PY - 2011
Y1 - 2011
N2 - The work function of the indium tin oxide electrode (ITO) modified by a self-assembled monolayer (SAM), which is used as an electrode in organic electroluminescent (EL) devices, was investigated in this study. It is revealed that chemical modification of ITO with p-substituted with different terminal groups (NH2-, Cl-, and CF3-) benzoic acids as a SAMs material with carboxyl binding group is caused to increase the work function of the ITO electrode. Through a self-assembly process, the transmittance of the ITO with a SAM was not changed. The work function change of ITO with various SAM was measured by using cyclic voltammetry. Characteristics of EL devices were increased because the energy barrier was decreased in an interface between the ITO and an organic layer in the EL devices. The correlation of the work function change and the performance of the chemically modified EL devices was estimated.
AB - The work function of the indium tin oxide electrode (ITO) modified by a self-assembled monolayer (SAM), which is used as an electrode in organic electroluminescent (EL) devices, was investigated in this study. It is revealed that chemical modification of ITO with p-substituted with different terminal groups (NH2-, Cl-, and CF3-) benzoic acids as a SAMs material with carboxyl binding group is caused to increase the work function of the ITO electrode. Through a self-assembly process, the transmittance of the ITO with a SAM was not changed. The work function change of ITO with various SAM was measured by using cyclic voltammetry. Characteristics of EL devices were increased because the energy barrier was decreased in an interface between the ITO and an organic layer in the EL devices. The correlation of the work function change and the performance of the chemically modified EL devices was estimated.
UR - http://www.scopus.com/inward/record.url?scp=84879333628&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84879333628&partnerID=8YFLogxK
U2 - 10.1557/opl.2012.248
DO - 10.1557/opl.2012.248
M3 - Conference contribution
AN - SCOPUS:84879333628
SN - 9781627482202
T3 - Materials Research Society Symposium Proceedings
SP - 25
EP - 30
BT - Charge Generation/Transport in Organic Semiconductor Materials
T2 - 2011 MRS Fall Meeting
Y2 - 28 November 2011 through 2 December 2011
ER -