Upconversion quantum yield of Er3+-doped β-NaYF4 and Gd2O2S: The effects of host lattice, Er3+ doping, and excitation spectrum bandwidth
Keywords: تبدیل انرژی خورشیدی; Upconversion; Quantum yield; NaYF4; Gd2O2S; Trivalent erbium; Broad-band excitation; Solar energy conversion; Photovoltaics;