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Ag2O/PEDOT:PSS used as the anode buffer layer is introduced into the P3HT:PCBM based polymer solar cell (PSC). Effect of the Ag2O/PEDOT:PSS composite anode buffer layer on the device performance is investigated. According to the results, we can find that the post-thermal annealing can improve the performance of the PSC with Ag2O/PEDOT:PSS anode buffer layer compare with that without buffer layer. In addition, compared with the devices without such a buffer layer or with only PEDOT:PSS buffer layer, the device with the composite buffer layer can achieve higher Jsc, external quantum efficiency as well as power conversion efficiency. We conclude that the post-thermal annealing can significantly improve the surface morphology which increases the light absorption and the exciton dissociation. The inserted Ag2O together with PEDOT:PSS as the composite buffer layer not only efficiently lowers the hole extraction barrier and improves the hole collection efficiency but also exhibits excellent stability.
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Keywords:
- Ag2O nanodots /
- composite buffer layer /
- polymer solar cells /
- post-thermal annealing
[1] Sariciftci N S, Smilowitz L, Heeger A J, Wudl F 1992 Science 258 1474
[2] Kim J Y, Lee K, Coates N E, Moses D, Nguyen T Q, Dante M, Heeger A J 2007 Science 317 222
[3] Zhang C F, Tong S W, Jiang C Y, Kang E T, Chan D S H, Zhu C X 2008 Appl. Phys. Lett. 93 043307
[4] Zhang T H, Zhao S L, Piao L Y, Xu Z, Ju S T, Liu X D, Kong C, Xu X R 2011 Chin. Phys. B 20 038401
[5] Xiong C, Yao R H, Geng K W 2011 Chin. Phys. B 20 057302
[6] He Z C, Zhong C M, Su S J, Xu M, Wu H B, Cao Y 2012 Nat. Photon. 6 591
[7] Schlatmann A R, Floet D W, Hilberer A, Garten F, Smulders P J M, Klapwijk T M, Hadziioannou G 1996 Appl. Phys. Lett. 69 1764
[8] Yang Q Q, Zhao S L, Xu Z, Zhang F J, Yan G, Kong C, Fan X, Zhang Y F, Xu X R 2012 Chin. Phys. B 21 128402
[9] Goh C, Scully S R, McGehee M D 2007 J. Appl. Phys. 101 114503
[10] Xiao Z G, Zeng X S, Guo H M, Zhao Z F, Shi T F, Wang Y Q 2012 Acta Phys. Sin. 61 026802 (in chinese) [肖正国, 曾雪松, 郭浩民, 赵志飞, 史同飞, 王玉琦 2012 61 026802]
[11] Turak A, Aytun T, Ow-yang C W 2012 Appl. Phys. Lett. 100 253303
[12] Barik U K, Srinivasan S, Nagendra C L, Subrahmanyam A 2003 Thin Solid Films 429 129
[13] Chen C W, Hsieh P Y, Chiang H H, Lin C L, Wu H M, Wu C C 2003 Appl. Phys. Lett. 83 5127
[14] Hsieh S N, Kuo T Y, Chong L W, Wen T C, Yang F S, Guo T F, Chung C T 2009 IEEE Photonic. Tech. L 21 109
[15] de Jong M P, van Ijzendoorn L J, de Voigt M J A 2000 Appl. Phys. Lett. 77 2255
[16] Reese M O, Gevorgyan S A, Jorgensen M, Bundgaard E, Kurtz S R, Ginley D S, Olson D C, Lloyd M T, Moryillo P, Katz E A, Elschner A, Haillant O, Currier T R, Shrotriya V, Hermenau M, Riede M, Kirov K R, Trimmel G, Rath T, Inganas O, Zhang F L, Andersson M, Tvingstedt K, Lira Cantu M, Laird D, McGuiness C, Gowrisanker S, Pannone M, Xiao M, Hauch J, Steim R, DeLongchamp D M, Rosch R, Hoppe H, Espinosa N, Urbina A, Yaman-Uzunoglu G, Bonekamp J B, vanBreemen A J J M, Girotto C, Voroshazi E, Krebs F C 2011 Sol. Energy Mater. Sol. Cells 95 1253
[17] Jo J, Na S I, Kim S S, Lee T W, Chung Y, Kang S J, Vak D, Kim D Y 2009 Adv. Funct. Mater. 19 2398
[18] Li G, Shrotriya V, Yao Y, Yang Y 2005 J. Appl. Phys. 98 043704
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[1] Sariciftci N S, Smilowitz L, Heeger A J, Wudl F 1992 Science 258 1474
[2] Kim J Y, Lee K, Coates N E, Moses D, Nguyen T Q, Dante M, Heeger A J 2007 Science 317 222
[3] Zhang C F, Tong S W, Jiang C Y, Kang E T, Chan D S H, Zhu C X 2008 Appl. Phys. Lett. 93 043307
[4] Zhang T H, Zhao S L, Piao L Y, Xu Z, Ju S T, Liu X D, Kong C, Xu X R 2011 Chin. Phys. B 20 038401
[5] Xiong C, Yao R H, Geng K W 2011 Chin. Phys. B 20 057302
[6] He Z C, Zhong C M, Su S J, Xu M, Wu H B, Cao Y 2012 Nat. Photon. 6 591
[7] Schlatmann A R, Floet D W, Hilberer A, Garten F, Smulders P J M, Klapwijk T M, Hadziioannou G 1996 Appl. Phys. Lett. 69 1764
[8] Yang Q Q, Zhao S L, Xu Z, Zhang F J, Yan G, Kong C, Fan X, Zhang Y F, Xu X R 2012 Chin. Phys. B 21 128402
[9] Goh C, Scully S R, McGehee M D 2007 J. Appl. Phys. 101 114503
[10] Xiao Z G, Zeng X S, Guo H M, Zhao Z F, Shi T F, Wang Y Q 2012 Acta Phys. Sin. 61 026802 (in chinese) [肖正国, 曾雪松, 郭浩民, 赵志飞, 史同飞, 王玉琦 2012 61 026802]
[11] Turak A, Aytun T, Ow-yang C W 2012 Appl. Phys. Lett. 100 253303
[12] Barik U K, Srinivasan S, Nagendra C L, Subrahmanyam A 2003 Thin Solid Films 429 129
[13] Chen C W, Hsieh P Y, Chiang H H, Lin C L, Wu H M, Wu C C 2003 Appl. Phys. Lett. 83 5127
[14] Hsieh S N, Kuo T Y, Chong L W, Wen T C, Yang F S, Guo T F, Chung C T 2009 IEEE Photonic. Tech. L 21 109
[15] de Jong M P, van Ijzendoorn L J, de Voigt M J A 2000 Appl. Phys. Lett. 77 2255
[16] Reese M O, Gevorgyan S A, Jorgensen M, Bundgaard E, Kurtz S R, Ginley D S, Olson D C, Lloyd M T, Moryillo P, Katz E A, Elschner A, Haillant O, Currier T R, Shrotriya V, Hermenau M, Riede M, Kirov K R, Trimmel G, Rath T, Inganas O, Zhang F L, Andersson M, Tvingstedt K, Lira Cantu M, Laird D, McGuiness C, Gowrisanker S, Pannone M, Xiao M, Hauch J, Steim R, DeLongchamp D M, Rosch R, Hoppe H, Espinosa N, Urbina A, Yaman-Uzunoglu G, Bonekamp J B, vanBreemen A J J M, Girotto C, Voroshazi E, Krebs F C 2011 Sol. Energy Mater. Sol. Cells 95 1253
[17] Jo J, Na S I, Kim S S, Lee T W, Chung Y, Kang S J, Vak D, Kim D Y 2009 Adv. Funct. Mater. 19 2398
[18] Li G, Shrotriya V, Yao Y, Yang Y 2005 J. Appl. Phys. 98 043704
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