Improved light trapping in microcrystalline silicon solar cells by plasmonic back reflector with broad angular scattering and low parasitic absorption | Zendy

Hairen Tan | Zendy; Laura Sivec | Zendy; Baojie Yan | Zendy; Rudi Santbergen | Zendy; Miro Zeman | Zendy; Arno H. M. Smets | Zendy

Open Access

Improved light trapping in microcrystalline silicon solar cells by plasmonic back reflector with broad angular scattering and low parasitic absorption

Author(s) -

Hairen Tan,

Laura Sivec,

Baojie Yan,

Rudi Santbergen,

Miro Zeman,

Arno H. M. Smets

Publication year - 2013

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4802451

Subject(s) - plasmon , photocurrent , materials science , plasmonic solar cell , optoelectronics , silicon , reflector (photography) , absorption (acoustics) , microcrystalline , photoconductivity , optics , chemistry , monocrystalline silicon , crystallography , physics , composite material , light source

We show experimentally that the photocurrent of thin-film hydrogenated microcrystalline silicon (?c-Si:H) solar cells can be enhanced by 4.5?mA/cm2 with a plasmonic back reflector (BR). The light trapping performance is improved using plasmonic BR with broader angular scattering and lower parasitic absorption loss through tuning the size of silver nanoparticles. The ?c-Si:H solar cells deposited on the improved plasmonic BR demonstrate a high photocurrent of 26.3?mA/cm2 which is comparable to the state-of-the-art textured Ag/ZnO BR. The commonly observed deterioration of fill factor is avoided by using ?c-SiOx:H as the n-layer for solar cells deposited on plasmonic BR

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