Numerical Study of Complementary Nanostructures for Light Trapping in Colloidal Quantum Dot Solar Cells

Nanomaterials

Seyed Milad Mahpeykar¹  Jue Wei¹  Qiuyang Xiong¹  Xihua Wang¹ 

[1] Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB T6G 2V4, Canada;

关键词: solar cells;    nanostructures;    light trapping;   

DOI  :  10.3390/nano6040055

来源: DOAJ

【 摘 要 】

We have investigated two complementary nanostructures, nanocavity and nanopillar arrays, for light absorption enhancement in depleted heterojunction colloidal quantum dot (CQD) solar cells. A facile complementary fabrication process is demonstrated for patterning these nanostructures over the large area required for light trapping in photovoltaic devices. The simulation results show that both proposed periodic nanostructures can effectively increase the light absorption in CQD layer of the solar cell throughout the near-infrared region where CQD solar cells typically exhibit weak light absorption. The complementary fabrication process for implementation of these nanostructures can pave the way for large-area, inexpensive light trapping implementation in nanostructured solar cells.

【 授权许可】

Unknown