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New strategies are reported for assembling Au nanoparticles into coupled 1D arrays. The mehods employ porous filtration membranes as templates to entrap and align particles along the long axis of the pores. Following alignment, nanoparticles were linked by 1,6-hexanedithiol to make shorter linear nanoparticle arrays (e.g., (Au particle)n, n ≤ 5) or with the organic conductive polymer polypyrrole to make longer 1D arrays. These methods provide new opportunities for characterizing the electronic and optical properties of coupled nanoscopic solid-state materials.
Marinakos et al. (Fri,) studied this question.