(Ti,Sn)O2 solid solution self-aligned into sandwich array on grafted modification collagen matrix

A versatile self-assembly process for preparing nanoscale sandwich layer arrays(see Figure) by incorporating bimetal solid solutions into a biological system is reported. Collagen was used as the biological scaffold, and also to control the growth of various metal nanocrystals in an exact arrangement, using two uniform interactions of both hydrogen bonding and covalent bonding between the biomatrix and the nanocrystals.