Chem. J. Chinese Universities ›› 2014, Vol. 35 ›› Issue (1): 127.doi: 10.7503/cjcu20130425
• Physical Chemistry • Previous Articles Next Articles
HAO Yanzhong*(), SUN Bao, LUO Chong, FAN Longxue, PEI Juan, LI Yingpin
Received:
2013-05-07
Online:
2014-01-10
Published:
2013-09-17
Contact:
HAO Yanzhong
E-mail:yzhao@hebust.edu.cn
Supported by:
CLC Number:
TrendMD:
HAO Yanzhong, SUN Bao, LUO Chong, FAN Longxue, PEI Juan, LI Yingpin. Photoelectrochemistry of Core-shell Nanostructure of Ordered ZnO Nanotube Array and Cu2O Nanocrystals and Performance of the All Oxide Solid State Nanostructure Solar Cell†[J]. Chem. J. Chinese Universities, 2014, 35(1): 127.
Fig.2 SEM images of the 1D Cu2O/ZnO core-shell nanostructureInsets are the magnified images. The deposited coulombs for the Cu2O nanocrystals: (A) 0.5 C, (B) 1.0 C, (C) 1.5 C.
Fig.5 UV-Vis diffuse reflection spectra of different electrodesa. ZnO nanotube array; b—d. Cu2O(0.5, 1.0, 1.5 C)/ZnOcore-shell nanostructures, respectively.
Fig.6 Transient photocurrent spectra of different electrodes(A) ZnO nanotube array(0.2 V, SCE); (B)—(D) Cu2O(0.5, 1.0, 1.5 C)/ZnO nanostructures(-0.2 V, SCE), respectively.
Fig.7 Current density-potential linear scanning curves of the Cu2O(1.0 C)/ZnO nanostructure electrode under dark condition(a) and 490 nm illumination(b)
Fig.8 Current density-voltage(J-V) curves for solar cells based on different photoelectrodesa. Cu2O(0.5 C)/ZnO; b. Cu2O(1.0 C)/ZnO; c. Cu2O(1.5 C)/ZnO; d. Cu2O(2.0 C)/ZnO.
Photoelectrode | Jsc/(mA·cm-2) | Voc /V | FF* | η(%) |
---|---|---|---|---|
Cu2O(0.5 C)/ZnO | 0.081 | 0.054 | 0.27 | 0.001 |
Cu2O(1.0 C)/ZnO | 0.255 | 0.083 | 0.28 | 0.006 |
Cu2O(1.5 C)/ZnO | 0.391 | 0.112 | 0.29 | 0.013 |
Cu2O(2.0 C)/ZnO | 0.422 | 0.103 | 0.28 | 0.012 |
Table 1 Photovoltaic properties for different solar cells based on different photoelectrodes
Photoelectrode | Jsc/(mA·cm-2) | Voc /V | FF* | η(%) |
---|---|---|---|---|
Cu2O(0.5 C)/ZnO | 0.081 | 0.054 | 0.27 | 0.001 |
Cu2O(1.0 C)/ZnO | 0.255 | 0.083 | 0.28 | 0.006 |
Cu2O(1.5 C)/ZnO | 0.391 | 0.112 | 0.29 | 0.013 |
Cu2O(2.0 C)/ZnO | 0.422 | 0.103 | 0.28 | 0.012 |
Fig.9 Current density-voltage(J-V) curves for solar cells based on different counter electrodesa. Cu; b. Au(5 min)/Cu; c. Au(10 min)/Cu; d. Au(15 min)/Cu; e. Au(20 min)/Cu; f. Au(25 min)/Cu.
Counter electrode | Jsc/(mA·cm-2) | Voc /V | FF | η(%) |
---|---|---|---|---|
Cu | 0.078 | 0.060 | 0.24 | 0.001 |
Au(5 min)/Cu | 0.104 | 0.080 | 0.29 | 0.002 |
Au(10 min)/Cu | 0.275 | 0.101 | 0.28 | 0.008 |
Au(15 min)/Cu | 0.346 | 0.106 | 0.28 | 0.010 |
Au(20 min)/Cu | 0.391 | 0.112 | 0.29 | 0.013 |
Au(25 min)/Cu | 0.419 | 0.108 | 0.28 | 0.013 |
Table 2 Photovoltaic properties for different solar cells based on different counter electrodes
Counter electrode | Jsc/(mA·cm-2) | Voc /V | FF | η(%) |
---|---|---|---|---|
Cu | 0.078 | 0.060 | 0.24 | 0.001 |
Au(5 min)/Cu | 0.104 | 0.080 | 0.29 | 0.002 |
Au(10 min)/Cu | 0.275 | 0.101 | 0.28 | 0.008 |
Au(15 min)/Cu | 0.346 | 0.106 | 0.28 | 0.010 |
Au(20 min)/Cu | 0.391 | 0.112 | 0.29 | 0.013 |
Au(25 min)/Cu | 0.419 | 0.108 | 0.28 | 0.013 |
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