Ultraviolet and infrared photon-excited synergistic effect in Er^3+-doped YbF_3 phosphors

Efficient visible to infrared quantum cutting through downconversion with the Er3+–Yb3+ couple in Cs3Y2Br9

(2010) J. J. Eilers et al.   APPLIED PHYSICS LETTERS

Intense infrared emission of Er^3+ in Ca_8Mg(SiO_4)_4Cl_2 phosphor from energy transfer of Eu^2+ by broadband down-conversion

(2010) Jiajia Zhou et al.   OPTICS EXPRESS

Enhanced near-infrared response of a-Si:H solar cells with β-NaYF4:Yb3+ (18%), Er3+ (2%) upconversion phosphors

(2010) J. de Wild et al.   SOLAR ENERGY MATERIALS AND SOLAR CELLS

Lanthanide ions as spectral converters for solar cells

(2009) Bryan M. van der Ende et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Improvement of the conversion efficiency of solar cell by rare earth ion

(2008) K. Kawano et al.   OPTICAL MATERIALS

Near-infrared quantum cutting in transparent nanostructured glass ceramics

(2008) Daqin Chen et al.   OPTICS LETTERS