Lanthanide hexafluoroacetylacetonates versus nitrates for the controlled loading of luminescent polynuclear single-stranded oligomers. __________________________________________________________________ Amir Zaïm, Natalia Dalla Favera, Laure Guénée, Homayoun Nozary, Thi Nhu Y Hoang, Svetlana V. Eliseeva, Stéphane Petoud and Claude Piguet * Supporting Information (71 pages) Electronic Supplementary Material (ESI) for Chemical Science This journal is © The Royal Society of Chemistry 2013