TY - GEN AU - Kim,H S AU - Wagner,D R AU - Saykally,R J TI - Single photon infrared emission spectroscopy of the gas phase pyrene cation: support for a polycyclic aromatic hydrocarbon origin of the unidentified infrared emission bands SN - 0031-9007 PY - 2001///0719 N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/PhysRevLett.86.5691 ER -