Khan, A.; Hecht, S. Towards photocontrol over the helix-coil transition in foldamers: Synthesis and photoresponsive Behavior of azobenzene-core Amphiphilic oligo(meta-phenylene ethynylene)s. Chemistry-A European Journal 2006, 12, 4764–4774.

Khan, A.; Hecht, S. Poly(ortho-phenylene ethynylene)s: Synthetic accessibility and optical properties. Journal of Polymer Science, Part A: Polymer Chemistry 2006, 44, 1619–1627.

Khan, A.; Hecht, S. Synthesis, tubular scaffolding, and photocontrolling the helix-coil transiion in phenylene ethynylene foldamers. PMSE Preprints 2006, 95, 73–74.

Khan, A.; Kaiser, C.; Hecht, S. Prototype of a photoswitchable foldamer. Angewandte Chemie-International Edition 2006, 45, 1878–1881.

Khan, A.; Kaiser, C.; Hecht, S. Prototyp eines photoschaltbaren Foldamers. Angewandte Chemie 2006, 118, 1912–1915.

Khan, A.; Hecht, S. Photocontrolling the helix-coil transition: azabenzene-containing foldamers. Polymer Preprints (American Chemical Society, Division of Polymer Chemistry) 2005, 46, 161–161.

Khan, A.; Müller, S.; Hecht, S. Practical synthesis of an amphiphilic, non-ionic poly(paraphenyleneethynylene) derivative with a remarkable quantum yield in water. Chemical Communications (Cambridge, U. K.) 2005, Nr. 5, 584–586.

Balbo Block, M. A.; Kaiser, C.; Khan, A.; Hecht, S. Discrete organic nanotubes based on a combination of covalent and non-covalent approaches. In FUNCTIONAL MOLECULAR NANOSTRUCTURES; Schlüter, A. D., Hrsg.; Schlüter, A. D., Hrsg.; Topics in Current Chemistry; SPRINGER-VERLAG BERLIN: BERLIN, 2005; S 89–150.

Khan, A. U. H. Phenylene ethynylene foldamers: from synthesis to Tubular scaffolding and photoswitchable helices. Doktorarbeit, Freie Universität Berlin, Berlin, 2005.