InP nanowire array solar cells achieving 13.8% efficiency by exceeding the ray optics limit

Jesper Wallentin, Nicklas Anttu, Damir Asoli, Maria Huffman, Ingvar Åberg, Martin H. Magnusson, Gerald Siefer, Peter Fuss-Kailuweit, Frank Dimroth, Bernd Witzigmann, H. Q. Xu, Lars Samuelson, Knut Deppert, Magnus T. Borgström^*