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Hole mobility of poly［2-methoxy-5-（2′-ethylhexyloxy）-1，4- phenylenevinylene］ （MEH-PPV） film fabricated by spin-casting and drop-casting has been measured by time-of-flight （TOF） technique. The non-dispersive hole transport current waveform is obtained. The results exhibit that the hole mobility of MEH-PPV prepared by drop-casting is higher than that of the film prepared by spin-casting. The solar cells based on MEH-PPV and fullerene derivative blend films prepared by spin-casting and drop-casting，respectively，were fabricated. The power-conversion efficiency （PCE） of the drop-casting device has a great improvement of over 35%，compared with that of spin-casting one. The improvement is attributed to the stronger absorption and better balance of electron and hole transport in MEH-PPV polymer films.
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Keywords:
- solar cells /
- polymer /
- mobility
[1] ［1］Friend R H，Gymer R W，Holmes A B，Burroughes J H，Marks R N，Taliani C，Bradley D D C，Dos Santos D A，Brédas J L，Lgdlund M，Salaneck W R 1999 Nature 397 121
[2] ［2］Yu G，Gao J，Hummelen J，Wudl F，Heeger A J 1995 Science 270 1789
[3] ［3］Sirringhaus H，Kawase T，Friend R H，Shimoda T，Inbasekaran M，Wu W，Woo E P 2000 Science 290 2123
[4] ［4］Campbell I H，Smith D L，Neef C J，Ferraris J P 1999 Appl. Phys. Lett. 74 2809
[5] ［5］Blom P W M，de Jong M J M，van Munster M G 1997 Phys. Rev. B 55 R656
[6] ［6］Sirringhaus H，Brown P J，Friend R H，Nielsen M M，Bechgaard K，Langeveld-Voss B M W，Spiering A J H，Janssen R A J，Meijer E W，Herwig P，de Leeuw D M 1999 Nature 401 685
[7] ［7］Hertel D，Bassler H 2008 Chemphyschem. 9 666
[8] ［8］Tian W J，Wen S P，Wu W C，Xia H J，Yang Z F，Zhou Y H 2007 Chin. Phys. 16 2136
[9] ［9］Peet J，Kim J Y，Coates N E，Ma W L，Moses D，Heeger A J，Bazan G C 2007 Nature Mater. 6 497
[10] ］Li G，Shortriya V，Yao Y，Yang Y 2005 Nature Mater. 4 864
[11] ］Yu H Z，Peng J B 2008 Chin. Phys. B 17 3143
[12] ］Burroughes J H，Bradley D D C，Brown A R，Morks R N，Mackay K，Friend R H，Burn P L，Holmes A B 1990 Nature 347 539
[13] ］Braun D，Heeger A J 1991 Appl. Phys. Lett. 58 1982
[14] ］Gailberger M，Bassler H 1991 Phys. Rev. B 44 8643
[15] ］Yu H Z，Peng J B，Zhou X M，2008 Acta Phys. Sin. 57 3898 （in Chinese）［於黄忠、彭俊彪、周晓明 2008 物理学报 57 3898］
[16] ］Mo Y Q，Huang J，Jiang J X，Deng X Y，Niu Y H Cao Y 2002 Chin. J. Polym. Sci. 20 461
[17] ］Mayer H，Haarer D，Naarmann H，Horhold H H 1995 Phys. Rev. B 52 2587
[18] ］Inigo A R，Tan C H，Fann W S，Huang Y S，Perng G Y，Chen S A 2001 Adv. Mater. 13 504
[19] ］Huang Y F，Inigo A R，Chang C C，Li K C，Liang C F，Chang C W，Lim T S，Chen S H，White J D，Jeng U S，Su A C，Huang Y S，Peng K Y，Chen S A，Pai W W，Lin C H，Tameev A R，Novikov S V，Vannikov A V，Fann W S 2007 Adv. Funct. Mater. 17 2902
[20] ］Frenkel. J 1938 Phys. Rev. 54 647
[21] ］Mihailetchi V D，Xie H，de Boer B，L. Koster J A，Blom P W M 2006 Adv. Funct. Mater. 19 699
[22] ］Mihailetchi V D，Wildeman J，Blom P W M 2005 Phys. Rev. Lett. 94 126602
[23] ］Li G，Yao Y，Yao H，Shortriya V，Yang G，Yang Y 2007 Adv.Funct. Mater. 17 1636
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[1] ［1］Friend R H，Gymer R W，Holmes A B，Burroughes J H，Marks R N，Taliani C，Bradley D D C，Dos Santos D A，Brédas J L，Lgdlund M，Salaneck W R 1999 Nature 397 121
[2] ［2］Yu G，Gao J，Hummelen J，Wudl F，Heeger A J 1995 Science 270 1789
[3] ［3］Sirringhaus H，Kawase T，Friend R H，Shimoda T，Inbasekaran M，Wu W，Woo E P 2000 Science 290 2123
[4] ［4］Campbell I H，Smith D L，Neef C J，Ferraris J P 1999 Appl. Phys. Lett. 74 2809
[5] ［5］Blom P W M，de Jong M J M，van Munster M G 1997 Phys. Rev. B 55 R656
[6] ［6］Sirringhaus H，Brown P J，Friend R H，Nielsen M M，Bechgaard K，Langeveld-Voss B M W，Spiering A J H，Janssen R A J，Meijer E W，Herwig P，de Leeuw D M 1999 Nature 401 685
[7] ［7］Hertel D，Bassler H 2008 Chemphyschem. 9 666
[8] ［8］Tian W J，Wen S P，Wu W C，Xia H J，Yang Z F，Zhou Y H 2007 Chin. Phys. 16 2136
[9] ［9］Peet J，Kim J Y，Coates N E，Ma W L，Moses D，Heeger A J，Bazan G C 2007 Nature Mater. 6 497
[10] ］Li G，Shortriya V，Yao Y，Yang Y 2005 Nature Mater. 4 864
[11] ］Yu H Z，Peng J B 2008 Chin. Phys. B 17 3143
[12] ］Burroughes J H，Bradley D D C，Brown A R，Morks R N，Mackay K，Friend R H，Burn P L，Holmes A B 1990 Nature 347 539
[13] ］Braun D，Heeger A J 1991 Appl. Phys. Lett. 58 1982
[14] ］Gailberger M，Bassler H 1991 Phys. Rev. B 44 8643
[15] ］Yu H Z，Peng J B，Zhou X M，2008 Acta Phys. Sin. 57 3898 （in Chinese）［於黄忠、彭俊彪、周晓明 2008 物理学报 57 3898］
[16] ］Mo Y Q，Huang J，Jiang J X，Deng X Y，Niu Y H Cao Y 2002 Chin. J. Polym. Sci. 20 461
[17] ］Mayer H，Haarer D，Naarmann H，Horhold H H 1995 Phys. Rev. B 52 2587
[18] ］Inigo A R，Tan C H，Fann W S，Huang Y S，Perng G Y，Chen S A 2001 Adv. Mater. 13 504
[19] ］Huang Y F，Inigo A R，Chang C C，Li K C，Liang C F，Chang C W，Lim T S，Chen S H，White J D，Jeng U S，Su A C，Huang Y S，Peng K Y，Chen S A，Pai W W，Lin C H，Tameev A R，Novikov S V，Vannikov A V，Fann W S 2007 Adv. Funct. Mater. 17 2902
[20] ］Frenkel. J 1938 Phys. Rev. 54 647
[21] ］Mihailetchi V D，Xie H，de Boer B，L. Koster J A，Blom P W M 2006 Adv. Funct. Mater. 19 699
[22] ］Mihailetchi V D，Wildeman J，Blom P W M 2005 Phys. Rev. Lett. 94 126602
[23] ］Li G，Yao Y，Yao H，Shortriya V，Yang G，Yang Y 2007 Adv.Funct. Mater. 17 1636
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