Spatially selective assembly of quantum dot light emitters in an LED using engineered peptides
Demir, H. V.
Please cite this item using this persistent URLhttp://hdl.handle.net/11693/21951
- Research Paper 
Semiconductor nanocrystal quantum dots are utilized in numerous applications in nano- and biotechnology. In device applications, where several different material components are involved, quantum dots typically need to be assembled at explicit locations for enhanced functionality. Conventional approaches cannot meet these requirements where assembly of nanocrystals is usually material-nonspecific, thereby limiting the control of their spatial distribution. Here we demonstrate directed self-assembly of quantum dot emitters at material-specific locations in a color-conversion LED containing several material components including a metal, a dielectric, and a semiconductor. We achieve a spatially selective immobilization of quantum dot emitters by using the unique material selectivity characteristics provided by the engineered solid-binding peptides as smart linkers. Peptide-decorated quantum dots exhibited several orders of magnitude higher photoluminescence compared to the control groups, thus, potentially opening up novel ways to advance these photonic platforms in applications ranging from chemical to biodetection. © 2011 American Chemical Society.
Showing items related by title, author, creator and subject.
Seker, U.O.S.; Zengin G.; Tamerler, C.; Sarikaya, M.; Demir, H. V. (2011)The assembly kinetics of colloidal semiconductor quantum dots (QDs) on solid inorganic surfaces is of fundamental importance for implementation of their solid-state devices. Herein an inorganic binding peptide, silica ...
Toksoz, S.; Mammadov, R.; Tekinay, A.B.; Guler, M.O. (2011)Self-assembling peptide amphiphile molecules have been of interest to various tissue engineering studies. These molecules self-assemble into nanofibers which organize into three-dimensional networks to form hydrocolloid ...
Cinar G.; Ceylan H.; Urel, M.; Erkal, T.S.; Deniz Tekin, E.; Tekinay, A.B.; Dâna, A.; Guler, M.O. (2012)Amyloid peptides are important components in many degenerative diseases as well as in maintaining cellular metabolism. Their unique stable structure provides new insights in developing new materials. Designing bioinspired ...