Send to

Choose Destination
Opt Express. 2011 Jan 3;19 Suppl 1:A41-50. doi: 10.1364/OE.19.000A41.

Optical properties of Si microwires combined with nanoneedles for flexible thin film photovoltaics.

Author information

1Department of Bio-Nano Technology, Hanyang University, Ansan 426-791, Korea.


A combined wire structure, made up of longer periodic Si microwires and short nanoneedles, was prepared to enhance light absorption using one-step plasma etching via lithographical patterning. The combined wire array exhibited light absorption of up to ~97.6% from 300 to 1100 nm without an anti-reflection coating. These combined wire arrays on a Si substrate were embedded into a transparent polymer. A large-scale wire-embedded soft film was then obtained by peeling the polymer-embedded wire portion from the substrate. Optically attractive features were present in these soft films, making them suitable for use in flexible silicon solar cell applications.


Supplemental Content

Loading ...
Support Center