TY  - JOUR
AU  - Ben-Moshe, Assaf
AU  - Wolf, Sharon Grayer
AU  - Sadan, Maya Bar
AU  - Houben, Lothar
AU  - Fan, Zhiyuan
AU  - Govorov, Alexander O.
AU  - Markovich, Gil
TI  - Enantioselective control of lattice and shape chirality in inorganic nanostructures using chiral biomolecules
JO  - Nature Communications
VL  - 5
SN  - 2041-1723
CY  - London
PB  - Nature Publishing Group
M1  - FZJ-2015-04063
SP  - 4302
PY  - 2014
AB  - A large number of inorganic materials form crystals with chiral symmetry groups. Enantioselectively synthesizing nanostructures of such materials should lead to interesting optical activity effects. Here we report the synthesis of colloidal tellurium and selenium nanostructures using thiolated chiral biomolecules. The synthesis conditions are tuned to obtain tellurium nanostructures with chiral shapes and large optical activity. These nanostructures exhibit visible optical and chiroptical responses that shift with size and are successfully simulated by an electromagnetic model. The model shows that they behave as chiral optical resonators. The chiral tellurium nanostructures are transformed into chiral gold and silver telluride nanostructures with very large chiroptical activity, demonstrating a simple colloidal chemistry path to chiral plasmonic and semiconductor metamaterials. These materials are natural candidates for studies related to interactions of chiral (bio)molecules with chiral inorganic surfaces, with relevance to asymmetric catalysis, chiral crystallization and the evolution of homochirality in biomolecules.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000340613800010
DO  - DOI:10.1038/ncomms5302
UR  - https://juser.fz-juelich.de/record/201769
ER  -