2-Dimensional MoS2 nanosheets as transparent and highly electrocatalytic counter electrode in dye-sensitized solar cells:Effect of thermal treatments

Seok-Soon Kim; Jin-Won Lee; Jin-Mun Yun; Seok-In Na

Journal of Industrial and Engineering Chemistry, Vol.29, 71-77, September, 2015

DOI10.1016/j.jiec.2015.02.026 Export Citation

2-Dimensional MoS2 nanosheets as transparent and highly electrocatalytic counter electrode in dye-sensitized solar cells:Effect of thermal treatments

Seok-Soon Kim^†, Jin-Won Lee¹, Jin-Mun Yun², and Seok-In Na¹

Department of Nano & Chemical Engineering, Kunsan National University, 558 Daehangno, Kunsan-si, Jeollabuk-do 573-701, Republic of Korea
¹Department of Flexible and Printed Electronics, Jeonbuk National University, 664-14 Deokjin-dong, Deokjin-ku, Jeonju-si, Jeollabuk-do 561-756, Republic of Korea
²Radiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute (KAERI), 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do 580-185, Republic of Korea

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MoS2 counter electrodes obtained via spin-coating of MoS2 nanosheets followed by thermal treatment at varied temperatures were used as highly transparent counter electrodes in dye-sensitized solar cells, and the effect of temperatures on electrocatalytic activity as well as overall power conversion efficiency (PCE) of DSSCs was investigated. DSSC with thermally treated MoS2 at 100 8C exhibited comparable PCE of 7.35% to conventional Pt contained DSSC showing 7.53%, whereas cell performance with MoS2 thermally treated at higher temperature over 300 °C showed significant decrease in PCE due to the chemical change of MoS2 to poor electrocatalytic MoO3.

Keywords:Dye-sensitized solar cells;Transparent;Counter electrode;MoS2 nanosheets

[References]

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[Referenced By]

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[1] O’Regan B, Gratzel M, Nature, 353, 737 (1991)

[2] Hagfeldt A, Boschloo G, Sun LC, Kloo L, Pettersson H, Chem. Rev., 110(11), 6595 (2010)

[3] Lee K, Park SW, Ko MJ, Kim K, Park NG, Nat. Mater., 8(8), 665 (2009)

[4] Murakami TN, Gratzel M, Inorg. Chim. Acta., 361, 572 (2008)

[5] Chen JG, Wei HY, Ho KC, Sol. Energy Mater. Sol. Cells, 91(15-16), 1472 (2007)

[6] Li Z, Ye B, Hu X, Ma X, Zhang X, Deng Y, Electrochem. Commun., 11, 1768 (2009)

[7] Murakami TN, Ito S, Wang Q, Nazeeruddin MK, Bessho T, Cesar I, Liska P, Humphry-Baker R, Comte P, Pechy P, Gratzel M, J. Electrochem. Soc., 153(12), A2255 (2006)

[8] Imoto K, Takahashi K, Yamaguchi T, Komura T, Nakamura J, Murata K, Sol. Energy Mater. Sol. Cells, 79(4), 459 (2003)

[9] Suzuki K, Yamaguchi M, Kumagai M, Yanagida S, Chem. Lett., 32(1), 28 (2003)

[10] Choi HJ, Shin JE, Lee GW, Park NG, Kim K, Hong SC, Curr. Appl. Phys., 10, S165 (2010)

[11] Cruz R, Tanaka DAP, Mendes A, Sol. Energy, 86(2), 716 (2012)

[12] Wan L, Wang S, Wang X, Dong B, Xu Z, Zhang X, Yang B, Peng S, Wang J, Xu C, Solid State Sci., 13, 468 (2011)

[13] Roy-Mayhew JD, Bozym DJ, Punckt C, Aksay A, ACS Nano, 4, 6203 (2010)

[14] Battumur T, Mujawar SH, Truong QT, Ambade SB, Lee DS, Lee W, Han SH, Lee SH, Curr. Appl. Phys., 12, e49 (2012)

[15] Jang HS, Yun JM, Kim DY, Park DW, Na SI, Kim SS, Electrochim. Acta, 81, 301 (2012)

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[17] Tjoa V, Chua J, Pramana SS, Wei J, Mhaisalkar SS, Mathews N, ACS Appl. Mater. Interfaces, 4, 3447 (2012)

[18] Jang SY, Kim YG, Kim DY, Kim HG, Jo SM, ACS Appl. Mater. Interfaces, 4, 3500 (2012)

[19] Wu MX, Lin X, Wang YD, Wang L, Guo W, Qu DD, Peng XJ, Hagfeldt A, Gratzel M, Ma TL, J. Am. Chem. Soc., 134(7), 3419 (2012)

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[23] Wu M, Wang Y, Lin X, Yu N, Wang L, Wang L, Hagfeldt A, Ma T, Phys. Chem. Chem. Phys., 13, 19298 (2011)

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