Evidence of resonance energy transfer in molecular bilayers on Al2O3 (0Â 0Â 0Â 1)

► Resonance energy transfer between naphthalene, methylnaphthalene and fluorenone was observed on a dielectric surface. ► Significant increase in the fluorenone fluorescence was observed when the energy transfer occurred. ► From mass spectral temperature programmed desorption, weak van der Waals complexes may form between the donor and acceptor molecules.