# Excitation-Dependent High-Lying Excitonic Exchange <i>via</i> Interlayer Energy Transfer from <i>Lower</i>-<i>to</i>-<i>Higher</i> Bandgap 2D Material

https://mdr.nims.go.jp/datasets/11927edc-8c67-4182-a3ea-ec50eda13ca0

## File

- [acs.nanolett.3c01127.pdf](https://mdr.nims.go.jp/filesets/1e605050-decf-4b0d-867e-67c01f3cf533/download) ([Detail](https://mdr.nims.go.jp/filesets/1e605050-decf-4b0d-867e-67c01f3cf533.md))

## Id

11927edc-8c67-4182-a3ea-ec50eda13ca0

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2025-02-14T06:14:59.275097Z

## Updated at

2025-02-14T07:31:29.867447Z

## Published at

2025-02-14T07:31:29.934943Z

## Doi



## First published url

https://doi.org/10.1021/acs.nanolett.3c01127

## Date published

2023-06-28

## Recorded date published

2023-6-28

## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Excitation-Dependent High-Lying Excitonic Exchange <i>via</i> Interlayer
    Energy Transfer from <i>Lower</i>-<i>to</i>-<i>Higher</i> Bandgap 2D Material
  title_type: original
  lang: en

## Description

- description: 'The strong light-matter interaction in monolayer (1L) transition-metal
    dichalcogenide (TMD) makes it an ideal candidate for future optoelectronic device
    applications. Competing interlayer charge (CT) and energy transfer (ET) processes
    control the photocarrier relaxation pathways in TMD heterostructures (HSs). ET
    due to the dipole-dipole coupling is particularly interesting, as it can survive
    up to several tens of nm, unlike the CT process, which survives only ~1 nm. Our
    experimental results show that an efficient ET happens from the high-lying excitonic
    states in 1L WSe2 to the 1L MoS2 ''band-nested'' region, resulting in more intense
    MoS2 photoluminescence emission from the HS area. This type of ET from the lower-to-higher
    optical bandgap material has never been reported. With increasing temperature,
    the ET process becomes weaker due to increased electron-phonon scattering, destroying
    enhanced MoS2 emission. Our work provides a new insight into the long-distance
    ET process and its effect on the photocarrier relaxation pathways.  '
  description_type: abstract
  lang: und

## Creator

- name: Arka Karmakar
  role: author
- name: Tomasz Kazimierczuk
  role: author
- name: Igor Antoniazzi
  role: author
- name: Mateusz Raczyński
  role: author
- name: Suji Park
  role: author
- name: Houk Jang
  role: author
- name: Takashi Taniguchi
  role: author
  orcid: https://orcid.org/0000-0002-1467-3105
  organization: National Institute for Materials Science
- name: Kenji Watanabe
  role: author
  orcid: https://orcid.org/0000-0003-3701-8119
  organization: National Institute for Materials Science
- name: Adam Babiński
  role: author
- name: Abdullah Al-Mahboob
  role: author
- name: Maciej R. Molas
  role: author

## Contact agent



## Publisher

organization: American Chemical Society (ACS)

## Managing organization



## Keyword

- subject: Transition metal dichalcogenides
  schema: not_defined
- subject: energy transfer
  schema: not_defined
- subject: photoluminescence
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

## Other identifier(s)



## Data origin



## Embargo



## Journal

- title: Nano Letters
  issn: '15306984'
  volume: '23'
  issue: '12'
  start_page: 5617
  end_page: 5624

## Conference



## Related item



## Funding

- identifier: 2017/27/B/ST3/00205
  funder_name: Narodowe Centrum Nauki
- identifier: 2018/31/B/ST3/02111
  funder_name: Narodowe Centrum Nauki
- identifier: 19H05790
  funder_name: Japan Society for the Promotion of Science
- identifier: 20H00354
  funder_name: Japan Society for the Promotion of Science
- identifier: 21H05233
  funder_name: Japan Society for the Promotion of Science

## Instrument



## Instrument operator



## Instrument managing organization



## Measurement method



## Specimen



## Chemical composition



## Structure for specimen



## Structural feature for specimen



## Specific property for specimen



## Process for specimen treatment



## Computational method



## Energy level/transition state



## Software



## Custom property



## Fileset

- id: 1e605050-decf-4b0d-867e-67c01f3cf533
  filename: acs.nanolett.3c01127.pdf
  content_type: application/pdf
  size: 4407474
  md5: b9d93bbb876ed3aa47fbb9c1610cfe4b

## Thumbnail

fileset_id: 1e605050-decf-4b0d-867e-67c01f3cf533
filename: acs.nanolett.3c01127.pdf