有机太阳能电池内部串并联电阻对器件光伏性能影响.pdfVIP

28 1 ( ) Vol. 28 No. 1 2009 3 Journal of South-Central University for Nationalities( Nat. Sci. dition) M ar. 2009 1 2 2 2 2 顾锦华, 钟志有 , 何　翔, 孙奉娄 , 陈首部 ( 1 , 430074; 2 ,430074) , W , .: , , . . ; ; 914 1672-4321( 2009)01-0057-05 TM A Ef fects of Internal Resistances on the Photovol taic Performance of Organic Sol ar Cells 1 2 2 2 2 Gu J inh ua , Zhong Zh iy ou , H e X iang , S un Feng l ou , Chen Shoubu ( 1 Center of Computing xperimenting, South-Central University for Nationalities, Wuhan 430074, China; 2 College of lectronic Information ngineering, South-Central U niversity for Nationalities, Wuhan 430074, China) Abstract Based on the analysis of the equivalent circuit model of organic solar cells ( OSC) , the explicit expression of current and voltage w as obtained by means of W-function, and the effects of OSC s internal series - , - , - , resistance and shunt resistance on the current voltage properties short circuit current open circuit voltage fill factor and energy conversion efficiency w ere studied The results demonstrate that the series resistance can. influence OSC s short -circuit current but have no influence on open-circuit voltage, and the shunt resistance can influence OSC s open-circuit voltage but have no influence on short-circuit current. The decrease of series resistance and the increase of shunt resistance all can enhance the fill factor and energy conversion efficiency of organic solar cells T his conclusion is essential in preparation of OSC and improvement of photovo