Sergey Gaponenko IMAP Belarus 36slides

Optics of Nanostructures:Science, Technology, ApplicationsSergey V. Gaponenko: 

Optics of Nanostructures: Science, Technology, Applications Sergey V. Gaponenko Institute of Molecular and Atomic Physics National Academy of Sciencs of Belarus

Institute of Molecular and Atomic Physics: 

Institute of Molecular and Atomic Physics Established in 1992 (separated from the Inst. Physics) Staff: 160 total (30 Dr. of Sci, 70 Ph.D) Research topics: Plasma physics and atomic spectroscopy Molecular spectroscopy Photobiophysics Physics of nanostructures 12 research laboratories Journal of Applied Spectroscopy publisher (since 1964)

Basic Principles: 

Basic Principles Photonic crystal ideology Quantum size effects in semiconductor nanocrystals Surface enhanced optical processes

Slide5: 

Photonic crystals

Nanoporous alumina developed at BSUIR: 

Nanoporous alumina developed at BSUIR

Anisotropic light scattering in nanoporous materialsLutich, Gaponenko, Gaponenko, Sokol, APL, 2003 in press: 

Anisotropic light scattering in nanoporous materials Lutich, Gaponenko, Gaponenko, Sokol, APL, 2003 in press

Quantum size effects in semiconductor nanocrystals: 

Quantum size effects in semiconductor nanocrystals

Light convertor for Si photodetectorsMain advantage versus organic luminophores:high photostability: 

Light convertor for Si photodetectors Main advantage versus organic luminophores: high photostability

Principal publications: 

Principal publications A. Kapitonov, A. Stupak, E. Petrov, S. Gaponenko, A.Rogach, A. Eychmueller. Photoluminescence of CdTe nanocrystals in aqueous solution. J. Phys. Chem. 103, 10109 (1999). M.Artemyev, A.Bibik, L.Gurinovich, S.Gaponenko, U.Woggon. Evolution from individual to collective electron states in a quantum dot ensemble. Phys. Rev. B 60,1504-1506 (1999) M. Artemyev, L. Gurinovich, A. Stupak, S. Gaponenko. Luminescence of CdS Nanoparticles Doped with Mn. Phys. stat. sol. (b) 224, 191 (2001)

Surface enhanced optical processes : 

Surface enhanced optical processes Enhanced Raman scattering Enhanced Photoluminescence

Malashkevich et al, in press: 

Malashkevich et al, in press

High-sensitive SERS molecular analysysGaponenko, Gaiduk, Kulakovich et al. JETP Lett. 2001, 74, 324. : 

High-sensitive SERS molecular analysys Gaponenko, Gaiduk, Kulakovich et al. JETP Lett. 2001, 74, 324.

Basic Technologies: 

Basic Technologies Electrochemical etching Colloidal chemistry Sol-gel processes High-energy plasma flow processes

Nanoporous aluminaBSUIR: 

Nanoporous alumina BSUIR

Slide28: 

CdSe nanocrystals СdTe nanocrystals Gaponenko et al. Gaponenko et al. J. Appl. Phys. 1995, JETP lett. 1998 In cooperation with Belarussian Sate University

Colloidal crystalsPetrov, Bogomolov, Kalosha, Gaponenko, PRL 1998cooperation with Russian Academy of Sciencesand Inst. Powder Metallurgy: 

Colloidal crystals Petrov, Bogomolov, Kalosha, Gaponenko, PRL 1998 cooperation with Russian Academy of Sciences and Inst. Powder Metallurgy

Metal colloids: 

Metal colloids

High-energy plasma flow processes: 

High-energy plasma flow processes discharge duration — 100  150 sec; peak current — 50  120 kA; plasma velocity — (3  7)x106 cm/sec; electron density — 1016  1018 cm-3; plasma temperature — 2  4 eV

Regular surface structures formed on silicon wafer : 

Regular surface structures formed on silicon wafer

Tasks: 

Tasks Novel luminophores and efficient light emitting devices Spectral transformers for silicon solar cells and photodetectors Ultrasensitive chemical analysis Si surface processing

Optical data coding and security systems: 

Optical data coding and security systems

Spectral portraits of numbers: 

Spectral portraits of numbers

Current projects: 

Current projects National program “Electronics” National program “Nanotechnologies” National program “Plasma dynamics” National Basic Res. Fnd. Projects (5) International INTAS projects (2 projects) NATO for Peace project Int. Sci. Techn. Center project Volkswagen Shiftung project Cooperaton agreement with Swiss Sherer Institute European network of excellence “Nanophotonics”