Nano - Topographic image of the CdTe film 20 μm Top C-AFM...

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Conductive AFM Applied to  CdTe/CdS Solar Cells  Apply a voltage  between a tip and the  sample surface, and  measure the current  Conventional  topographic image  Current image for a  constant voltage I- V image of any  point  Figure 1: Set-up for the C-AFM  measurements. The shaded area  under the tip corresponds to the  electric current. 
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Conductive AFM Applied to  CdTe/CdS Solar Cells the conductivity is not  uniform – grains have  different doping levels  caused by differences  in the defect  no noticeable effect of  topographic features  on the current image  \                              20 μm                   
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Unformatted text preview: / Topographic image of the CdTe film \ 20 μm / Top: C-AFM image of a CdTe film after NP etch (top), and I-V curve taken at a point on the surface-- does not resemble the AFM image Left: (a) AFM image of a CdTe surface after BM etch. (b) C-AFM image. The line indicates the position of the linescan shown in (c). REFERENCES • H.R. Moutinho, R.G. Dhere, C.-S. Jiang, M.M. Al-Jassim, and L.L. Kazmerski, 19 th European PV Solar Energy Conference and Exhibition Paper. 8.2004....
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This note was uploaded on 04/09/2009 for the course MSE 111 taught by Professor Giannelis during the Fall '07 term at Cornell.

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Nano - Topographic image of the CdTe film 20 μm Top C-AFM...

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