Efficiency analysis and electronic structures of 3C-SiC and 6H-SiC with 3d elements impurities as intermediate band photovoltaics

Hamid Heidarzadeh; Ali Rostami; Mahboubeh Dolatyari; Ghasem Rostami

doi:10.1117/1.JPE.4.042098

8 October 2014 Efficiency analysis and electronic structures of 3C-SiC and 6H-SiC with 3d elements impurities as intermediate band photovoltaics

Hamid Heidarzadeh, Ali Rostami, Mahboubeh Dolatyari, Ghasem Rostami

Author Affiliations +

Journal of Photonics for Energy, Vol. 4, Issue 1, 042098 (October 2014). https://doi.org/10.1117/1.JPE.4.042098

Abstract

Optimal efficiency calculations for 3C-SiC- and 6H-SiC-based intermediate band (IB) solar cells are presented. Using detailed balance methods, it is shown that the conversion efficiency of IB SiC-based solar cells is very sensitive to IB position, type of spectrum, and concentration of the incident light. Under a 1000 suns concentration and AM1.5 spectrum irradiation, a maximum efficiency of 55.9% is theoretically achieved for 3C-SiC with the IB located at 0.79 eV up to the valence band of the host material. Under the same conditions, a theoretical maximum efficiency of 49.7% is achieved with an IB located at 0.84 eV below the conduction band of the 6H-SiC. Based on the obtained theoretical results, the formation of an isolated IB in the appropriate position is demonstrated for Ni-doped 3C-SiC and Mn-doped 6H-SiC using the density function theory method which leads to an enhancement in the absorption coefficient in the ranges of the solar spectrum.

Citation Download Citation

Hamid Heidarzadeh, Ali Rostami, Mahboubeh Dolatyari, and Ghasem Rostami "Efficiency analysis and electronic structures of 3C-SiC and 6H-SiC with 3d elements impurities as intermediate band photovoltaics," Journal of Photonics for Energy 4(1), 042098 (8 October 2014). https://doi.org/10.1117/1.JPE.4.042098

Published: 8 October 2014

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

;

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE