Single-phase cascaded semi-Z-source inverter for photovoltaic applications

Author(s):  
Mohamed A. Ismeil ◽  
Mohamed Orabi ◽  
Mahrous Ahmed
Author(s):  
Naser Vosoughi Kurdkandi ◽  
Milad Ghavipanjeh Marangalu ◽  
Tala Hemmati ◽  
Seyed Hossein Hosseini ◽  
Oleksandr Husev ◽  
...  

2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Guangcan Luo ◽  
Bin Lv ◽  
Wei Li ◽  
Lianghuan Feng ◽  
Jingquan Zhang ◽  
...  

The copper telluride thin films were prepared by a coevaporation technique. The single-phase Cu1.4Te thin films could be obtained after annealing, and annealing temperature higher than 220°C could induce the presence of cuprous telluride coexisting phase. Cu1.4Te thin films also demonstrate the high carrier concentration and high reflectance for potential photovoltaic applications from the UV-visible-IR transmittance and reflectance spectra, and Hall measurements. With contacts such as Cu1.4Te and Cu1.4Te/CuTe, cell efficiencies comparable to those with conventional back contacts have been achieved. Temperature cycle tests show that the Cu1.4Te contact buffer has also improved cell stability.


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