
Centre for Micro-Photonics, Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
Dr X Chen, Centre for Micro-Photonics, Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Hawthorn Victoria 3122, Australia E-mail: xichen@swin.edu.au
Professor M Gu, Centre for Micro-Photonics, Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, Hawthorn Victoria 3122, Australia E-mail: mgu@swin.edu.au
Published:2013-12,
Published Online:02 August 2013,
Received:01 January 2013,
Revised:19 March 2013,
Accepted:15 April 2013
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Chen, X. et al. Exceeding the limit of plasmonic light trapping in textured screen-printed solar cells using Al nanoparticles and wrinkle-like graphene sheets. Light: Science & Applications, 2, e92 (2013).
Chen, X. et al. Exceeding the limit of plasmonic light trapping in textured screen-printed solar cells using Al nanoparticles and wrinkle-like graphene sheets. Light: Science & Applications, 2, e92 (2013). DOI: 10.1038/lsa.2013.48.
The solar cell market is predominantly based on textured screen-printed solar cells. Due to parasitic absorption in nanostructures
using plasmonic processes to obtain an enhancement that exceeds 2.5% of the short-circuit photocurrent density is challenging. In this paper
a 7.2% enhancement in the photocurrent density can be achieved through the integration of plasmonic Al nanoparticles and wrinkle-like graphene sheets. For the first time
we experimentally achieve Al nanoparticle-enhanced solar cells. An innovative thermal evaporation method is proposed to fabricate low-coverage Al nanoparticle arrays on solar cells. Due to the ultraviolet (UV) plasmon resonance of Al nanoparticles
the performance enhancement of the solar cells is significantly greater than that from Ag nanoparticles. Subsequently
we deposit wrinkle-like graphene sheets over the Al nanoparticle-enhanced solar cells. Compared with planar graphene sheets
the bend carbon layer also exhibits a broadband light-trapping effect. Our results exceed the limit of plasmonic light trapping in textured screen-printed silicon solar cells.
Al nanoparticlesplasmonic light trappingscreen-printed solar cellswrinkle-like graphene sheets
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