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سی امین کنفرانس بین المللی مهندسی برق
Impact of Particle Shape on Optical and Electrical Properties of Ultrathin Silicon Solar Cells
نویسندگان :
Sayyed Reza Mirnaziry
1
Mohammad Ali Shameli
2
Leila Yousefi
3
1- UTS
2- دانشگاه تهران
3- دانشگاه تهران
کلمات کلیدی :
Ultrathin solar cell, silicon nanoparticle, absorption, efficiency, nanosphere
چکیده :
We study the effect of particle shape on the optical and electrical response of ultrathin silicon solar cells. In a particle-based cell, wherein nanoparticles form the cell absorber, the electrical operation of the cell is subjected to geometrical limitations. Assuming that doped silicon nanoparticles with predefined shapes are distributed on a silicon layer to form the cell junction, it is shown that existing a sufficiently large contact area between the nanoparticle and its adjacent layer has a significant effect on transport of the photo-generated carriers. We show that despite having interesting absorption, a cell comprising pure spherical silicon particles has a relatively weak power conversion efficiency. We see that imperfect nanospheres as well as particles with other shapes but larger contact areas in the junction can propose higher cell efficiencies.
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بیشتر
ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 44.7.2
