1. Controlling the Emission Properties of Quantum Rods via Multiscale 3D Ordered Organization
- Author
-
Charlie Gosse, Mircea Cotlet, Christophe Dupuis, Valérie Marchi, Florian Meneau, Oleg Gang, Pascal Panizza, Elsa Mazari-Arrighi, Pascale Even-Hernandez, Thomas Bizien, Cristelle Mériadec, Marie Postic, Franck Artzner, Institut de Physique de Rennes (IPR), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS), Institut des Sciences Chimiques de Rennes (ISCR), Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Ecole Nationale Supérieure de Chimie de Rennes (ENSCR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA), Synchrotron SOLEIL (SSOLEIL), Centre National de la Recherche Scientifique (CNRS), Laboratório Nacional de Luz Sìncrotron (LNLS), Centro Nacional de Pesquisa em Energia e Materiais (CNPEM), Laboratoire de photonique et de nanostructures (LPN), Brookhaven National Laboratory [Upton, NY] (BNL), U.S. Department of Energy [Washington] (DOE)-UT-Battelle, LLC-Stony Brook University [SUNY] (SBU), State University of New York (SUNY)-State University of New York (SUNY), Columbia University [New York], The Agence Nationale de la Recherche (ANR contract No. 16-CE09-0027-02 HYPNAP and contract No. 14-CE08-0004 ARTEMIS) funded this work. We are indebted to the Region Bretagne, the French Direction Generale de l’Armement, and the ANR for the PhD financial supports to T. Bizien, M. Postic, and E. Mazari-Arrighi. We also acknowledge Université de Rennes for a travel grant to T. Bizien, so as to enable him to perform measurements at the Center for Functional Nanomaterials of the Brookhaven National Laboratory and Rennes Métropoles for equipment support. Oleg Gang was supported by the US Department of Defense, Army Research Office, grant W911NF-19-1-0395. This research used resources of the Center for Functional Nanomaterials, supported by U.S. DOE Office of Science Facilities at Brookhaven National Laboratory under contract No. DE-SC0012704., ANR-16-CE09-0027,HYBNAP,UNE PLATEFORME NANOPLASMONIQUE HYBRIDE EMETTEUR-COLLOÏDE METALLIQUE(2016), ANR-14-CE08-0004,ARTEMIS,Auto-assemblage et Intégration de Métamatériaux par Ingénierie de Protéines Artificielles(2014), Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS), Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Ecole Nationale Supérieure de Chimie de Rennes (ENSCR)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Centro Nacional de Pesquisa em Energia e Materiais = Brazilian Center for Research in Energy and Materials (CNPEM), UT-Battelle, LLC-Stony Brook University [SUNY] (SBU), State University of New York (SUNY)-State University of New York (SUNY)-U.S. Department of Energy [Washington] (DOE), and ANR-14-CE19-0004,CROC,Contrôle de la fréquence de recombinaison méiotique pour accélérer l'innovation variétales chez les espèces cultivées polyploïdes(2014)
- Subjects
Materials science ,genetic structures ,Article Subject ,02 engineering and technology ,Electron ,010402 general chemistry ,01 natural sciences ,T1-995 ,[CHIM]Chemical Sciences ,General Materials Science ,Nanoscopic scale ,Technology (General) ,[PHYS]Physics [physics] ,Scattering ,business.industry ,021001 nanoscience & nanotechnology ,Emission intensity ,Aspect ratio (image) ,Fluorescence ,eye diseases ,0104 chemical sciences ,Optoelectronics ,sense organs ,0210 nano-technology ,Luminescence ,Columnar phase ,business - Abstract
International audience; A specific organization of optically active nanoscale objects can greatly affect the optical response of a system. Here, we report the controlled modification of the fluorescent emission by the assembly of water-soluble quantum rods (QRs). Our study combines optical, electron microcopy, and X-ray scattering characterizations to reveal a correlation between the self-assembly behavior of QRs into ordered 3D-arrays and the optical properties (luminescence) of formed assemblies, where the observed optical response is highly dependent on the QR aspect ratio. Specifically, shorter, 18 nm long QRs (QR18), exhibiting a well-defined smectic packing, demonstrate an enhancement of the emission intensity accompanied by a red shift and a lifetime reduction. In contrast, 40 nm long QRs (QR40), forming a columnar phase, does not show these optical properties.
- Published
- 2021
- Full Text
- View/download PDF