TY - GEN AU - Chan,Emory M AU - Levy,Elizabeth S AU - Cohen,Bruce E TI - Rationally Designed Energy Transfer in Upconverting Nanoparticles SN - 1521-4095 PY - 2016///0112 N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/adma.201500248 ER -