Preparation of 9,10-Bis(Phenylethynyl)anthracene and 1-Chloro-9,10-Bis(Phenylethynyl)anthracene nanoparticles using the laser processing in liquids: Influence of the surfactants on the optical properties

•Nanoparticle preparation of BPEA and CBPEA using laser processing in the surfactant solutions.•Absorption and fluorescence spectra of BPEA 2.•pH dependence of absorption spectra of BPEA and CBPEA in the amphiphilic surfactants.•Rectangular/circular and rod forms of BPEA and CBPEA NPs.