Electronic coupling in organic-inorganic semiconductor hybrid structures with type-II energy level alignment

被引：26

作者：

Blumstengel, S. ^{[1
]}

Sadofev, S. ^{[1
]}

Xu, C. ^{[1
]}

Puls, J. ^{[1
]}

Johnson, R. L. ^{[1
]}

Glowatzki, H. ^{[1
]}

Koch, N. ^{[1
]}

Henneberger, F. ^{[1
]}

机构：

[1] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

来源：

PHYSICAL REVIEW B | 2008年 / 77卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.77.085323

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electronic coupling in a hybrid structure made of ZnMgO and a spirobifluorene derivative (SP6) is investigated in the situation where the energy level alignment at the organic/inorganic interface revealed by photoelectron spectroscopy is of type II. Charge separation caused by electron transfer from the SP6 lowest unoccupied molecular orbital to the conduction band of the semiconductor is observed. By collecting the photogenerated carriers in a ZnO quantum well, very efficient exciton transfer from the inorganic to the organic part occurs as well.

引用

页数：5

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