# Room-temperature quantum emission from interface excitons in mixed-dimensional heterostructures

https://mdr.nims.go.jp/datasets/5a3010b1-3588-4391-8434-bbf12019f7c9

## File

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## Id

5a3010b1-3588-4391-8434-bbf12019f7c9

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2024-08-09T09:17:51.400704Z

## Updated at

2024-08-21T23:30:09.599596Z

## Published at

2024-08-21T23:30:10.025869Z

## Doi



## First published url

https://doi.org/10.1038/s41467-024-47099-6

## Date published

2024-04-11

## Recorded date published



## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Room-temperature quantum emission from interface excitons in mixed-dimensional
    heterostructures
  title_type: original
  lang: en

## Description

- description: The development of van der Waals heterostructures has introduced unconventional
    phenomena that emerge at atomically precise interfaces. For example, interlayer
    excitons in two-dimensional transition metal dichalcogenides show intriguing optical
    properties at low temperatures. Here we report on room-temperature observation
    of interface excitons in mixed-dimensional heterostructures consisting of two-dimensional
    tungsten diselenide and one-dimensional carbon nanotubes. Bright emission peaks
    originating from the interface are identified, spanning a broad energy range within
    the telecommunication wavelengths. The effect of band alignment is investigated
    by systematically varying the nanotube bandgap, and we assign the new peaks to
    interface excitons as they only appear in type-II heterostructures. Room-temperature
    localization of low-energy interface excitons is indicated by extended lifetimes
    as well as small excitation saturation powers, and photon correlation measurements
    confirm antibunching. With mixed-dimensional van der Waals heterostructures where
    band alignment can be engineered, new opportunities for quantum photonics are
    envisioned.
  description_type: abstract
  lang: und

## Creator

- name: N. Fang
  role: author
- name: Y. R. Chang
  role: author
- name: S. Fujii
  role: author
- name: D. Yamashita
  role: author
- name: M. Maruyama
  role: author
- name: Y. Gao
  role: author
- name: C. F. Fong
  role: author
- name: D. Kozawa
  role: author
  orcid: https://orcid.org/0000-0002-0629-5589
  organization: National Institute for Materials Science
- name: K. Otsuka
  role: author
- name: K. Nagashio
  role: author
- name: S. Okada
  role: author
- name: Y. K. Kato
  role: author

## Contact agent



## Publisher

organization: Springer Science and Business Media LLC

## Managing organization



## Keyword

- subject: quantum emission
  schema: not_defined
- subject: mixed-dimensional heterostructures
  schema: not_defined

## Rights

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

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Nature Communications
  issn: '20411723'
  volume: '15'
  article_number: '2871'

## Conference



## Related item



## Funding

- funder_name: MEXT ARIM

## 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



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## Fileset

- id: c20747a4-6109-4cd1-94db-d07a99fcf077
  filename: s41467-024-47099-6.pdf
  content_type: application/pdf
  size: 1633163
  md5: 42e30731e4941d8cb0a177497ef0bc54

## Thumbnail

fileset_id: c20747a4-6109-4cd1-94db-d07a99fcf077
filename: s41467-024-47099-6.pdf