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以poly(3-hexyhhiophene)(P3HT)作为电池给体材料,[6,6]-phenyl-C60-butyric acid methyl ester(PC61BM)为电池受体材料,使用Cs2CO3作为电池的阴极修饰层,通过测量不同条件下制备的器件的J-V曲线和转换效率,研究了Cs2CO3的厚度以及退火温度对电池器件性能的影响.结果表明在2000 r/min转速下旋涂Cs2CO3并在130℃温度下进行退火10 min,电池的短路电流、填充因子、转换效率分别提高到11.56 mA/cm2、58.28;、3.37;,与未处理的器件相比效率提高了16;,而且使用碳酸铯作为阴极缓冲层可以有效的提高电池的稳定性,延长器件的寿命. 相似文献
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We report the superior stability of the composite Cs2CO3 :Ag/Ag cathode structure, which can be used in efficient organic light-emitting diodes (OLEDs). Devices with the Cs2CO3:Ag (1:10, 5nm)/Ag (95nm) cathode show a considerably improved lifetime compared with the control device with the Cs2CO3 (0.5 nm)/Ag (100 nm) cathode. The composite Cs2CO3 :Ag/Ag film is proved to be stable in the atmosphere. X-ray diffraction (XRD) is applied to analyze the crystalline structure of the Cs2CO3:Ag film, and it is demonstrated that CsAg alloy is formed, leading to the improved stability of the thin film and the devices. 相似文献