【摘 要】
：
High response organic ultraviolet photodetectors(UV-PDs) were demonstrated with 4,4′,4"tris[3-methyl-pheny(phenyl)amino]triphenylamine(m-MTDATA) and two Re(I)
【机 构】
：
College of Chemistry ,College of Environmental Engineering
【基金项目】
：
Supported by the National Natural Science Foundation of China;the Program for New Century Excellent Talents in Universities of China;the Key Project of Ministry of Education of China;the Natural Scien
论文部分内容阅读
High response organic ultraviolet photodetectors(UV-PDs) were demonstrated with 4,4′,4"tris[3-methyl-pheny(phenyl)amino]triphenylamine(m-MTDATA) and two Re(I) complexes,(bathocuproine)-Re(CO)3CI(Re-BCP) and (bathophenanthroline)Re(CO)3Cl(Re-Bphen) to act as the electron donor and acceptor,respectively.UV-PDs have the configuration of indium tin oxide(ITO)/m-MTDATA(25 nm)/m-MTDATA:Re-complex (25--35 nm)/Re-complex(20 nm)/LiF(1 nm)/Al(200 nm) with different blend layer thicknesses of 25,30 and 35 nm.The optimized PD based on Re-Bphen offers a corrected-dark photocurrent up to 760 μA/cm2 at -10 V,corresponding to a response of 310 mA/W which is among the best values reported for organic UV-PDs.Excellent electron transport ability makes for such high photo-to-electron conversion.
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