CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Modification of PTCDA/Co Interfacial Electronic Structures Using Alq(3) Buffer Layer
Cao, Liang; Wang, Yu-Zhan; Qi, Dong-Chen; Zhong, Jian-Qiang; Wee, Andrew T. S.; Gao, Xing-Yu
2013
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume117Issue:48Pages:CONCATENATE(Sheet1!I216,-Sheet1!J216)
AbstractThe interfacial electronic structures and energy level alignment between 3,4,9,10-perylene-tetracarboxylic-dianhydride (PTCDA) and Co substrate with a tris-(8-hydroxy-quinoline) aluminum (Alq(3)) buffer layer have been investigated using synchrotron-based photoemission spectroscopy (PES). It was found that the electronic structures at the PTCDA/Co interface can be modified by inserting an Alq(3) buffer layer. As long as equilibrium is established at PTCDA/Alq(3)/Co interfaces, the electron injection barrier (Delta(c)) at the PTCDA/Co interface decreases by 0.3 eV with an Alq(3) buffer layer, which is independent of the thickness of the Alq(3) interlayer. This energy level alignment can be satisfactorily explained by substrate to organic overlayer charge transfer through the buffer layer. Our findings have potential applications in spin-valve devices based on n-type organic materials by reducing the interfacial electron injection barrier.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000328101200049
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13826
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Cao, Liang,Wang, Yu-Zhan,Qi, Dong-Chen,et al. Modification of PTCDA/Co Interfacial Electronic Structures Using Alq(3) Buffer Layer[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2013,117(48):CONCATENATE(Sheet1!I216,-Sheet1!J216).
APA Cao, Liang,Wang, Yu-Zhan,Qi, Dong-Chen,Zhong, Jian-Qiang,Wee, Andrew T. S.,&Gao, Xing-Yu.(2013).Modification of PTCDA/Co Interfacial Electronic Structures Using Alq(3) Buffer Layer.JOURNAL OF PHYSICAL CHEMISTRY C,117(48),CONCATENATE(Sheet1!I216,-Sheet1!J216).
MLA Cao, Liang,et al."Modification of PTCDA/Co Interfacial Electronic Structures Using Alq(3) Buffer Layer".JOURNAL OF PHYSICAL CHEMISTRY C 117.48(2013):CONCATENATE(Sheet1!I216,-Sheet1!J216).
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