3D photonic crystal intermediate reflector for micromorph thin-film tandem solar cell
A. Bielawny, J. Üpping, P.T. Miclea, R.B. Wehrspohn, C. Rockstuhl, F. Lederer, M. Peters, L. Steidl, R. Zentel, S.-M. Lee, M. Knez, A. Lambertz, R. Carius, Physica Status Solidi (A) 205 (2008) 2796–2810.