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The formation of the heterogeneous van der Waals complexes of tetracene with two and three argon atoms in helium droplets have been studied using the pick up technique. The laser-induced fluorescence spectra were measured with embedding of the chromophore tetracene molecule prior to the argon atoms and vice versa. The results indicate that once the Ar n complex is formed within the helium droplet it remains intact upon subsequent attachment of the tetracene molecule. This observation suggests a strategy of formation and study of larger hetero complexes where the possible number of structural isomers can be considerably reduced.