Supporting Information Direct solvothermal preparation of nanostructured fluoride aerogels based on AlF 3 Aleš Štefančič, Darinka Primc, Gašper Tavčar, Tomaž Skapin* *E-mail address: tomaz.skapin@ijs.si 1 Electronic Supplementary Material (ESI) for Dalton Transactions. This journal is © The Royal Society of Chemistry 2015