The effects of electrolyte additives on the cell performances of CdS/CdSe quantum dot sensitized solar cells

Songyi Park; Min-Kyu Son; Soo-Kyoung Kim; Myeong-Soo Jeong; Kandasamy Prabakar; Hee-Je Kim

Korean Journal of Chemical Engineering, Vol.30, No.11, 2088-2092, November, 2013

DOI10.1007/s11814-013-0195-4 Export Citation

The effects of electrolyte additives on the cell performances of CdS/CdSe quantum dot sensitized solar cells

Songyi Park, Min-Kyu Son, Soo-Kyoung Kim, Myeong-Soo Jeong, Kandasamy Prabakar, and Hee-Je Kim^†

Department Electrical Engineering, Pusan National University, San 30, Jangjeon-dong, Geumjeong-gu, Busan 609-735, Korea

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The electrolyte for QDSSCs is normally a polysulfide, S2-/Sx2-, redox couple. This couple plays an important role for the regeneration of quantum dots. This study examined the effects of the electrolyte for CdS/CdSe QDSSCs. Electrolytes consisting of 1M Na2S, 2M S in a methanol and water-mixed solution at a 7 : 3 ratio with or without additives such as KCl, NaOH, KOH and NaCl were used for QDSSC. The electrolyte with NaOH showed the highest conversion efficiency, 3.18%. The reasons for the improved photovoltaic characteristics were analyzed using a range of techniques.

Keywords:Quantum Dot-sensitized Solar Cells;CdS;CdSe;Polysulfide Electrolyte;Electrolyte Additives

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Zhang Q, Zhang Y, Huang S, Huang X, Luo Y, Meng Q, Li D, Electrochem. Commun., 12, 327 (2010)
Radich JG, Dwyer R, Kamat PV, J. Phys. Chem. Lett., 2, 2453 (2011)
Sudhagar P, Ramasamy E, Cho WH, Lee J, Kang YS, Electrochem. Commun., 13, 34 (2011)
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Li N, Lassiter BE, Lunt RR, Wei G, Forrest SR, Appl. Phys.Lett., 94, 023307 (2009)
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[Referenced By]

[1] Sambur JB, Parkinson BA, J. Am. Chem. Soc., 132(7), 2130 (2010)

[2] Niitsoo O, Sarkar SK, Pejoux C, Ruhle S, Cahen D, Hodes G, J. Photochem. Photobiol. A: Chem., 181, 306 (2006)

[3] Sudhagar P, Chandramohan S, Saravana Kumar R, Sathyamoorthy R, Hong CH, Kang Y, Phys. Stat. Sol. (a)., 208, 474 (2011)

[4] Yu XY, Lei BX, Kuang DB, Su CY, J. Mater. Chem., 22, 12058 (2012)

[5] Seol M, Kim H, Tak Y, Yong K, Chem. Commun., 46, 5521 (2010)

[6] Shen Q, Yamada A, Tamura S, Toyoda T, Appl. Phys. Lett., 97, 123107 (2010)

[7] Li C, Yang L, Xiao J, Wu YC, Søndergaard M, Luo Y, Li D, Meng Q, Brummerstedt Iversen B, Phys. Chem. Chem. Phys., 15, 8710 (2013)

[8] Nozik AJ, Chem. Phys. Lett., 457(1-3), 3 (2008)

[9] Kongkanand A, Tvrdy K, Takechi K, Kuno M, Kamat PV, J. Am. Chem. Soc., 130, 4015 (2008)

[10] Sudhagar P, Jung JH, Park S, Sathyamoorthy R, Ahn H, Kang YS, Electrochim. Acta, 55(1), 113 (2009)

[11] Chou CY, Lee CP, Vittal R, Ho KC, J. Power Sources, 196(15), 6595 (2011)

[12] Robel I, Kuno M, Kamat PV, J. Am. Chem. Soc., 129(14), 4136 (2007)

[13] Yang Y, Rodriguez-Cordoba W, Xiang X, Lian T, Nano Lett., 12, 303 (2012)

[14] Canovas E, Moll P, Jensen SA, Gao Y, Houtepen AJ, Siebbeles LDA, Kinge S, Bonn M, Nano Lett., 11, 5234 (2011)

[15] Zhu G, Pan L, Xu T, Sun Z, Appl. Mater. Interfaces., 3, 3146 (2011)

[16] Lee YL, Lo YS, Adv. Funct. Mater., 19(4), 604 (2009)

[17] Park NG, Kim K, Phys., Stat. Sol. (a)., 205, 1895 (2008)

[18] Wang C, Jiang Z, Wei L, Chen Y, Jiao J, Eastman M, Liu H, Nano Energy., 1, 440 (2012)

[19] Yin X, Que W, Fei D, Xie H, He Z, Electrochim. Acta., 99, 204 (2013)

[20] Jang KI, Hong E, Kim JH, Korean J. Chem. Eng., 30(3), 620 (2013)

[21] Zhang Q, Zhang Y, Huang S, Huang X, Luo Y, Meng Q, Li D, Electrochem. Commun., 12, 327 (2010)

[22] Radich JG, Dwyer R, Kamat PV, J. Phys. Chem. Lett., 2, 2453 (2011)

[23] Sudhagar P, Ramasamy E, Cho WH, Lee J, Kang YS, Electrochem. Commun., 13, 34 (2011)

[24] Seo H, Wang Y, Uchida G, Kamataki K, Itagaki N, Koga K, Shiratani M, Electrochim. Acta., 95, 43 (2013)

[25] Lee YL, Chang CH, J. Power Sources, 185(1), 584 (2008)

[26] Koide N, Islam A, Chiba Y, Han L, J. Photochem. Photobiol. A: Chem., 182, 296 (2006)

[27] Rhee SW, Kwon W, Korean J. Chem. Eng., 28(7), 1481 (2011)

[28] Chiba Y, Islam A, Watanabe Y, Komiya R, Koide N, Han L, Japanese J. Appl. Phys., 45, 638 (2006)

[29] Lee W, Lee J, Lee H, Yi W, Han SH, Appl. Phys. Lett., 91, 043515 (2007)

[30] Li N, Lassiter BE, Lunt RR, Wei G, Forrest SR, Appl. Phys.Lett., 94, 023307 (2009)

[31] Liu Z, Miyauchi M, Uemura T, Cui Y, Hara K, Hara Z, Zhao Z, Sunahara K, Furube A, Appl. Phys. Lett., 96, 233107 (2010)