A comparative study of microstructural stability and sulphur diffusion in CdS/CdTe photovoltaic devices
A comparative study of microstructural stability and sulphur diffusion in CdS/CdTe photovoltaic devices
复制标题
CdS/CdTe光伏器件微观结构稳定性和硫扩散的比较研究
DOI:
10.1016/j.solmat.2015.06.010
复制
发表时间:
2015
影响因子:
6.9
通讯作者:
Taylor A
中科院分区:
文献类型:
--
作者:
Taylor A
The role of CdCl2activation in the production of high quality CdTe-based photovoltaic devices remains a subject of much debate. In this study, CdTe-based cells produced in three independent laboratories using different device fabrication technologies are investigated before and after CdCl2activation with regard to structural changes (recrystallisation and grain growth) and sulphur out-diffusion. Using scanning transmission electron microscopy (STEM) and x-ray diffraction it is demonstrated that CdCl2activation of the investigated cells produces no statistical structural changes to the CdTe. Additionally, energy dispersive spectrometry (EDS) performed in the STEM on the same samples illustrates that the change in sulphur diffusion following activation is more limited than expected from previous studies; no change is detectable when the thermal budget for CdTe deposition is significantly greater than that for activation. This suggests that the efficiency enhancement during CdCl2treatment is not due to sulphur out-diffusion. Lastly, cathodoluminescence microscopy is used to demonstrate in two dimensions how sulphur diffuses into a model sample and the results are found to be consistent with STEM–EDS. Some spectroscopic evidence for enhanced sulphur diffusion along grain boundaries is also observed.
登录
查看更多内容
DOI:
--
发表时间:
1997
期刊:
影响因子:
--
作者:
H. Moutinho;M. Al‐Jassim;D. Levi;P. Dippo;R. Dhere;L. Kazmerski
通讯作者:
L. Kazmerski
影响因子:
2.1
作者:
D. Halliday;J. M. Eggleston;K. Durose
通讯作者:
D. Halliday;J. M. Eggleston;K. Durose
DOI:
10.1109/pvsc.2008.4922463
发表时间:
2008
期刊:
2008 33rd IEEE Photovoltaic Specialists Conference
影响因子:
--
作者:
B. McCandless;W. Buchanan
通讯作者:
W. Buchanan
DOI:
10.1557/proc-426-325
发表时间:
1996
期刊:
MRS Proceedings
影响因子:
--
作者:
D. Jensen;B. McCandless;R. Birkmire
通讯作者:
R. Birkmire
影响因子:
1.8
作者:
S. Irvine;V. Barrioz;D. Lamb;Eurig W Jones;R. Rowlands-Jones
通讯作者:
S. Irvine;V. Barrioz;D. Lamb;Eurig W Jones;R. Rowlands-Jones