Induction of strong and tunable circularly polarized luminescence of nonchiral, nonmetal, low‐molecular‐weight fluorophores using chiral nanotemplates

T Goto, Y Okazaki, M Ueki, Y Kuwahara… - Angewandte Chemie …, 2017 - Wiley Online Library
A new strategy is described for generating strong circularly polarized luminescence with
highly tunable emission bands through chiral induction in nonchiral, totally organic, low‐…

Optically Active Perovskite CsPbBr3 Nanocrystals Helically Arranged on Inorganic Silica Nanohelices

P Liu, W Chen, Y Okazaki, Y Battie, L Brocard… - Nano …, 2020 - ACS Publications
Perovskite nanocrystals (PNCs) exhibit excellent absorption and luminescent properties.
Inorganic silica right (or left) handed nanohelices are used as chiral templates to induce …

Induced circular dichroism of monoatomic anions: silica-assisted the transfer of chiral environment from molecular assembled nanohelices to halide ions

Y Okazaki, N Ryu, T Buffeteau, S Pathan… - Chemical …, 2018 - pubs.rsc.org
We demonstrate the first example of induced CD of monoatomic anions. This was detected
using chirally-arranged molecular assemblies of non-chiral cationic gemini surfactants (16-2-…

Fluorescence emission originated from the H-aggregated cyanine dye with chiral gemini surfactant assemblies having a narrow absorption band and a remarkably …

N Ryu, Y Okazaki, E Pouget, M Takafuji… - Chemical …, 2017 - pubs.rsc.org
We demonstrate that the fluorescence emission that originated from a cyanine dye forming H-aggregates
with a narrow absorption band and a remarkably large Stokes shift can be …

Direct observation of siloxane chirality on twisted and helical nanometric amorphous silica

Y Okazaki, T Buffeteau, E Siurdyban, D Talaga… - Nano Letters, 2016 - ACS Publications
Synthesis of chiral inorganic or hybrid nanomaterials through sol–gel transcription of chiral
organic templates has attracted a great deal of interest for more than a decade. However, the …

Chiral Colloids: Homogeneous Suspension of Individualized SiO2 Helical and Twisted Nanoribbons

Y Okazaki, J Cheng, D Dedovets, G Kemper… - Acs Nano, 2014 - ACS Publications
Finely tuned chiral nanometric silica fibers were synthesized based on sol–gel chemistry
using organic self-assembly as a template. The optimization of the sol–gel process in acidic …

Fiberoptic ductoscopy of the breast: a new diagnostic procedure for nipple discharge

A Okazaki, M Okazaki, A kazuaki… - Japanese Journal of …, 1991 - academic.oup.com
A fiberoptic ductoscopy system was successfully developed by means of which we were able
to observe the duct cavity of the breast. Two kinds of silicafiberscopes with outer diameters …

Nonvolatile memory with extremely low-leakage indium-gallium-zinc-oxide thin-film transistor

…, T Matsuzaki, S Nagatsuka, Y Okazaki… - IEEE Journal of Solid …, 2012 - ieeexplore.ieee.org
Yutaka Okazaki received the BS degree in science and MS degree in science and engineering
from Nagoya Institute of Technology, Nagoya, Japan, in 2001 and 2003, respectively. He …

A 5291‐ppi organic light‐emitting diode display using field‐effect transistors including ac‐axis aligned crystalline oxide semiconductor

…, T Nagata, T Aoyama, K Nei, Y Okazaki… - Journal of the …, 2019 - Wiley Online Library
C‐axis‐aligned crystalline‐oxide semiconductor field‐effect transistor (CAAC‐OS FET) can
be scaled down to a width and a length of 60 nm. We fabricated an organic light‐emitting …

Chiral perovskite nanocrystal growth inside helical hollow silica nanoribbons

P Liu, Y Battie, T Kimura, Y Okazaki, P Pranee… - Nano Letters, 2023 - ACS Publications
Helical perovskite nanocrystals (H-PNCs) were prepared using nanometric silica helical
ribbons as platforms for the in situ growth of the crystals using the supersaturated …