馬上要做論文，老師給了幾個方向，因為不了解所以想請教前輩  hN:F8r+DG  
1. SiGe alloys: OWXye4`*  
Research activities are:  LLn{2,jfQ  
a) Optimization of the SiGe mixture with respect to optical and electronic properties ?}3PJVy?  
b) Growth of large grain or mono crystalline layers on glass. Sa?5iFg  
c) Realization of p-n junctions to explore the solar cell parameters. x1V2|~;p|  
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2. Light trapping structures: {[t"O u  
Research activities are: Jt>[]g$  
a) Application of periodic light trapping structures into thin film I) a-Si:H/a-SiGe:H or ii) a-Si:H/mc-Si tandem solar cells. 7l#2,d4  
b) Characterization of the optical and electronic solar cell parameters. "^ 6lvZP(  
3. Large grain silicon DR yESi  
都是Photovoltaics下面的，請前輩給推薦一下比較有發(fā)展前途的

其實都還可以，呵呵。看你自己的興趣了，興趣使最好的老師。

最好多和導師討論交流。：）