Publications
ResearcherID : C-5956-2008 (TY, h-index: 24) , AAZ-8749-2021 (RK, h-index: 11)
Google Scholar : TY (h-index: 33), RK (h-index: 11)
2012
Yang Liu, Takashi Yatsui, Motoichi Ohtsu
Controlling the sizes of ZnO quantum dots by using dressed photon-phonon assisted sol-gel method Journal Article
In: Applied Physics B, vol. 108, no. 4, pp. 707-711, 2012.
Abstract | Links | BibTeX | Tags: Nanophotonic fabrication, Near-field effect, QD, Sol-gel, ZnO
@article{2012liuAPB,
title = {Controlling the sizes of ZnO quantum dots by using dressed photon-phonon assisted sol-gel method},
author = {Yang Liu and Takashi Yatsui and Motoichi Ohtsu},
doi = {10.1007/s00340-012-5151-1},
year = {2012},
date = {2012-09-01},
journal = {Applied Physics B},
volume = {108},
number = {4},
pages = {707-711},
publisher = {Springer Nature},
abstract = {We developed a sol-gel method using the dressed photon-phonon (DPP) process. DPPs are selectively exited in nanoscale structures at photon energies that are lower than the bandgap energy, which allows one to increase the growth rate of smaller ZnO quantum dots (QDs). Thus, we obtained a smaller size variance of ZnO QDs. The growth rate was proportional to the power of the light used for DPP excitation. The results were confirmed using a rate equation that accounted for the concentration of the sol-gel solution.},
keywords = {Nanophotonic fabrication, Near-field effect, QD, Sol-gel, ZnO},
pubstate = {published},
tppubtype = {article}
}
We developed a sol-gel method using the dressed photon-phonon (DPP) process. DPPs are selectively exited in nanoscale structures at photon energies that are lower than the bandgap energy, which allows one to increase the growth rate of smaller ZnO quantum dots (QDs). Thus, we obtained a smaller size variance of ZnO QDs. The growth rate was proportional to the power of the light used for DPP excitation. The results were confirmed using a rate equation that accounted for the concentration of the sol-gel solution.
2011
Yang Liu, Tetsu Morishima, Takashi Yatsui, Tadashi Kawazoe, Motoichi Ohtsu
Size control of sol–gel-synthesized ZnO quantum dots using photo-induced desorption Journal Article
In: Nanotechnology, vol. 22, no. 21, pp. 215605, 2011.
Abstract | Links | BibTeX | Tags: Nanophotonic fabrication, QD, Sol-gel
@article{Liu_2011,
title = {Size control of sol–gel-synthesized ZnO quantum dots using photo-induced desorption},
author = {Yang Liu and Tetsu Morishima and Takashi Yatsui and Tadashi Kawazoe and Motoichi Ohtsu},
doi = {10.1088/0957-4484/22/21/215605},
year = {2011},
date = {2011-03-01},
journal = {Nanotechnology},
volume = {22},
number = {21},
pages = {215605},
publisher = {IOP Publishing},
abstract = {We developed a sol–gel method using photo-induced desorption for size-controlled ZnO quantum dots (QDs). This method successfully controlled the size and size variance of ZnO QDs, and size fluctuations decreased from 23% to 18% depending on the illuminated light intensity. The sol–gel synthesis effectively reduced the number of defect levels that originated from oxygen defects.},
keywords = {Nanophotonic fabrication, QD, Sol-gel},
pubstate = {published},
tppubtype = {article}
}
We developed a sol–gel method using photo-induced desorption for size-controlled ZnO quantum dots (QDs). This method successfully controlled the size and size variance of ZnO QDs, and size fluctuations decreased from 23% to 18% depending on the illuminated light intensity. The sol–gel synthesis effectively reduced the number of defect levels that originated from oxygen defects.