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- In relation to this article, we declare that there is no conflict of interest.
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Received July 5, 2016
Accepted October 11, 2016
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Polyol-mediated synthesis of ZnO nanoparticle-assembled hollow spheres/nanorods and their photoanode performances
Soon Wook Kim
Tri Khoa Nguyen
Doan Van Thuan
Dinh Khoi Dang1
Seung Hyun Hur1
Eui Jung Kim1†
Sung Hong Hahn
Department of Physics and Energy Harvest-storage Research Center, University of Ulsan, Ulsan 44610, Korea 1Department of Chemical Engineering, University of Ulsan, Ulsan 44610, Korea
ejkim@ulsan.ac.kr
Korean Journal of Chemical Engineering, February 2017, 34(2), 495-499(5), 10.1007/s11814-016-0283-3
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Abstract
ZnO nanoparticle-assembled hollow spheres (raspberry-like) and elliptical nanorods (rice-like) were synthesized via a facile polyol process. Employing ethylene glycol as a polyol led to a ZnO nanoparticle-assembled hollow sphere structure, while diethylene glycol resulted in an elliptical nanorod structure. The ZnO hollow spheres had a higher Brunauer-Emmett-Teller (BET) surface area, better dye adsorption, more incident light trapping, and lower defect density than the ZnO elliptical nanorods. The ZnO hollow sphere-based dye-sensitized solar cells (DSSCs) exhibited a three-times higher current density than the ZnO elliptical nanorod-based DSSCs.
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Ramakrishnan R, Aravind A, Devaki SJ, Varma MR, Mohan K, J. Phys. Chem. C, 118, 19529 (2014)
Chen X, Bai Z, Yan X, Yuan H, Zhang G, Lin P, Zhang Z, Liu Y, Zhang Y, Nanoscale, 6, 4691 (2014)
Shi Y, Zhu C, Wang L, Li W, Cheng C, Ho KM, Fung KK, Wang N, J. Mater. Chem., 22, 13097 (2012)
Jana A, Das PP, Agarkar SA, Devi PS, Sol. Energy, 102, 143 (2014)
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Hu XL, Gong JM, Zhang LZ, Yu JC, Adv. Mater., 20(24), 4845 (2008)
Thavasia V, Renugopalakrishnan V, Jose R, Ramakrishna S, Mater. Sci. Eng. R-Rep., 63, 81 (2009)
Khoa NT, Kim SW, Yoo DH, Cho S, Kim EJ, Hahn SH, ACS Appl. Mater. Interfaces, 7, 3524 (2015)
Barpuzary D, Patra AS, Vaghasiya JV, Solanki BG, Soni SS, Qureshi M, ACS Appl. Mater. Interfaces, 6, 12629 (2014)
Dakhlaoui A, Jendoubi M, Smiri LS, Kanaev A, Jouini N, J. Cryst. Growth, 311(16), 3989 (2009)
Hwang SH, Shin DH, Yun J, Kim C, Choi M, Jang J, Chem.-Eur. J., 20, 4439 (2014)
Zhang Q, Myers D, Lan J, Jenekhe SA, Cao G, Phys. Chem. Chem. Phys., 14, 14982 (2012)
Koo HJ, Kim YJ, Lee YH, Lee WI, Kim K, Park NG, Adv. Mater., 20(1), 195 (2008)
Yun J, Hwang SH, Jang J, ACS Appl. Mater. Interfaces, 7, 2055 (2015)
