Indefinite and bidirectional near-infrared nanocrystal photoswitching

Changhwan Lee, Emma Z. Xu, Kevin W. C. Kwock, Ayelet Teitelboim, Yawei Liu, Hye Sun Park, Benedikt Ursprung, Mark E. Ziffer, Yuzuka Karube, Natalie Fardian-Melamed, Cassio C. S. Pedroso, Jongwoo Kim, Stefanie D. Pritzl, Sang Hwan Nam, Theobald Lohmueller, Jonathan S. Owen, Peter Ercius, Yung Doug Suh (), Bruce E. Cohen (), Emory M. Chan () and P. James Schuck ()
Additional contact information
Changhwan Lee: Columbia University
Emma Z. Xu: Columbia University
Kevin W. C. Kwock: Columbia University
Ayelet Teitelboim: Lawrence Berkeley National Laboratory
Yawei Liu: Lawrence Berkeley National Laboratory
Hye Sun Park: Korea Basic Science Institute (KBSI)
Benedikt Ursprung: Columbia University
Mark E. Ziffer: Columbia University
Yuzuka Karube: Columbia University
Natalie Fardian-Melamed: Columbia University
Cassio C. S. Pedroso: Lawrence Berkeley National Laboratory
Jongwoo Kim: Korea Research Institute of Chemical Technology (KRICT)
Stefanie D. Pritzl: Ludwig-Maximilians Universität München
Sang Hwan Nam: Korea Research Institute of Chemical Technology (KRICT)
Theobald Lohmueller: Ludwig-Maximilians Universität München
Jonathan S. Owen: Columbia University
Peter Ercius: Lawrence Berkeley National Laboratory
Yung Doug Suh: Korea Research Institute of Chemical Technology (KRICT)
Bruce E. Cohen: Lawrence Berkeley National Laboratory
Emory M. Chan: Lawrence Berkeley National Laboratory
P. James Schuck: Columbia University

Nature, 2023, vol. 618, issue 7967, 951-958

Abstract: Abstract Materials whose luminescence can be switched by optical stimulation drive technologies ranging from superresolution imaging1–4, nanophotonics5, and optical data storage6,7, to targeted pharmacology, optogenetics, and chemical reactivity8. These photoswitchable probes, including organic fluorophores and proteins, can be prone to photodegradation and often operate in the ultraviolet or visible spectral regions. Colloidal inorganic nanoparticles6,9 can offer improved stability, but the ability to switch emission bidirectionally, particularly with near-infrared (NIR) light, has not, to our knowledge, been reported in such systems. Here, we present two-way, NIR photoswitching of avalanching nanoparticles (ANPs), showing full optical control of upconverted emission using phototriggers in the NIR-I and NIR-II spectral regions useful for subsurface imaging. Employing single-step photodarkening10–13 and photobrightening12,14–16, we demonstrate indefinite photoswitching of individual nanoparticles (more than 1,000 cycles over 7 h) in ambient or aqueous conditions without measurable photodegradation. Critical steps of the photoswitching mechanism are elucidated by modelling and by measuring the photon avalanche properties of single ANPs in both bright and dark states. Unlimited, reversible photoswitching of ANPs enables indefinitely rewritable two-dimensional and three-dimensional multilevel optical patterning of ANPs, as well as optical nanoscopy with sub-Å localization superresolution that allows us to distinguish individual ANPs within tightly packed clusters.

Date: 2023
References: Add references at CitEc
Citations:

Downloads: (external link)
https://www.nature.com/articles/s41586-023-06076-7 Abstract (text/html)
Access to the full text of the articles in this series is restricted.

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:nature:v:618:y:2023:i:7967:d:10.1038_s41586-023-06076-7

Ordering information: This journal article can be ordered from
https://www.nature.com/

DOI: 10.1038/s41586-023-06076-7

Access Statistics for this article

Nature is currently edited by Magdalena Skipper

More articles in Nature from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().