Photoinduced separation of strongly interacting 2-D layered TiS2 nanodiscs in solution

Daniel Rossi, Jae Hyo Han, Dongwon Yoo, Yitong Dong, Yerok Park, Jinwoo Cheon, Dong Hee Son

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Colloidal 2-D layered transition metal dichalcogenide (TMDC) nanodiscs synthesized with uniform diameter and thickness can readily form the vertically stacked assemblies of particles in solution due to strong interparticle cohesive energy. The interparticle electronic coupling that modifies their optical and electronic properties poses a significant challenge in exploring their unique properties influenced by the anisotropic quantum confinement in different directions taking advantage of the controlled diameter and thickness. Here, we show that the assemblies of 2-D layered TiS2 nanodiscs are efficiently separated into individual nanodiscs via photoexcitation of the charge carriers by pulsed laser light, enabling the characterization of the properties of noninteracting TiS2 nanodiscs. Photoinduced separation of the nanodiscs is considered to occur via transient weakening of the interparticle cohesive force by the dense photoexcited charge carriers, which facilitates the solvation of each nanodisc by the solvent molecules.

Original languageEnglish
Pages (from-to)12568-12573
Number of pages6
JournalJournal of Physical Chemistry C
Volume118
Issue number23
DOIs
Publication statusPublished - 2014 Jun 12

Fingerprint

Charge carriers
assemblies
Quantum confinement
Photoexcitation
charge carriers
Solvation
Pulsed lasers
Electronic properties
Transition metals
Optical properties
photoexcitation
electronics
Molecules
solvation
pulsed lasers
transition metals
optical properties
molecules
energy
Direction compound

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

Cite this

Rossi, Daniel ; Han, Jae Hyo ; Yoo, Dongwon ; Dong, Yitong ; Park, Yerok ; Cheon, Jinwoo ; Son, Dong Hee. / Photoinduced separation of strongly interacting 2-D layered TiS2 nanodiscs in solution. In: Journal of Physical Chemistry C. 2014 ; Vol. 118, No. 23. pp. 12568-12573.
@article{c16bd33481c743508f175eff5a1249ba,
title = "Photoinduced separation of strongly interacting 2-D layered TiS2 nanodiscs in solution",
abstract = "Colloidal 2-D layered transition metal dichalcogenide (TMDC) nanodiscs synthesized with uniform diameter and thickness can readily form the vertically stacked assemblies of particles in solution due to strong interparticle cohesive energy. The interparticle electronic coupling that modifies their optical and electronic properties poses a significant challenge in exploring their unique properties influenced by the anisotropic quantum confinement in different directions taking advantage of the controlled diameter and thickness. Here, we show that the assemblies of 2-D layered TiS2 nanodiscs are efficiently separated into individual nanodiscs via photoexcitation of the charge carriers by pulsed laser light, enabling the characterization of the properties of noninteracting TiS2 nanodiscs. Photoinduced separation of the nanodiscs is considered to occur via transient weakening of the interparticle cohesive force by the dense photoexcited charge carriers, which facilitates the solvation of each nanodisc by the solvent molecules.",
author = "Daniel Rossi and Han, {Jae Hyo} and Dongwon Yoo and Yitong Dong and Yerok Park and Jinwoo Cheon and Son, {Dong Hee}",
year = "2014",
month = "6",
day = "12",
doi = "10.1021/jp5038624",
language = "English",
volume = "118",
pages = "12568--12573",
journal = "Journal of Physical Chemistry C",
issn = "1932-7447",
publisher = "American Chemical Society",
number = "23",

}

Photoinduced separation of strongly interacting 2-D layered TiS2 nanodiscs in solution. / Rossi, Daniel; Han, Jae Hyo; Yoo, Dongwon; Dong, Yitong; Park, Yerok; Cheon, Jinwoo; Son, Dong Hee.

In: Journal of Physical Chemistry C, Vol. 118, No. 23, 12.06.2014, p. 12568-12573.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Photoinduced separation of strongly interacting 2-D layered TiS2 nanodiscs in solution

AU - Rossi, Daniel

AU - Han, Jae Hyo

AU - Yoo, Dongwon

AU - Dong, Yitong

AU - Park, Yerok

AU - Cheon, Jinwoo

AU - Son, Dong Hee

PY - 2014/6/12

Y1 - 2014/6/12

N2 - Colloidal 2-D layered transition metal dichalcogenide (TMDC) nanodiscs synthesized with uniform diameter and thickness can readily form the vertically stacked assemblies of particles in solution due to strong interparticle cohesive energy. The interparticle electronic coupling that modifies their optical and electronic properties poses a significant challenge in exploring their unique properties influenced by the anisotropic quantum confinement in different directions taking advantage of the controlled diameter and thickness. Here, we show that the assemblies of 2-D layered TiS2 nanodiscs are efficiently separated into individual nanodiscs via photoexcitation of the charge carriers by pulsed laser light, enabling the characterization of the properties of noninteracting TiS2 nanodiscs. Photoinduced separation of the nanodiscs is considered to occur via transient weakening of the interparticle cohesive force by the dense photoexcited charge carriers, which facilitates the solvation of each nanodisc by the solvent molecules.

AB - Colloidal 2-D layered transition metal dichalcogenide (TMDC) nanodiscs synthesized with uniform diameter and thickness can readily form the vertically stacked assemblies of particles in solution due to strong interparticle cohesive energy. The interparticle electronic coupling that modifies their optical and electronic properties poses a significant challenge in exploring their unique properties influenced by the anisotropic quantum confinement in different directions taking advantage of the controlled diameter and thickness. Here, we show that the assemblies of 2-D layered TiS2 nanodiscs are efficiently separated into individual nanodiscs via photoexcitation of the charge carriers by pulsed laser light, enabling the characterization of the properties of noninteracting TiS2 nanodiscs. Photoinduced separation of the nanodiscs is considered to occur via transient weakening of the interparticle cohesive force by the dense photoexcited charge carriers, which facilitates the solvation of each nanodisc by the solvent molecules.

UR - http://www.scopus.com/inward/record.url?scp=84902455664&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84902455664&partnerID=8YFLogxK

U2 - 10.1021/jp5038624

DO - 10.1021/jp5038624

M3 - Article

VL - 118

SP - 12568

EP - 12573

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

SN - 1932-7447

IS - 23

ER -