CONFERENCE PROCEEDINGS
Advanced Search
Home > Proceedings > Volume 11799 > Article
Presentation
1 August 2021 Exciton localization in doped perovskite nanocrystals enhances intrinsic radiative recombination
Sascha Feldmann, Mahesh Gangishetty, Ivona Bravić, Timo Neumann, Bo Peng, Thomas Winkler, Richard H. Friend, Bartomeu Monserrat, Daniel N. Congreve, Felix Deschler
Author Affiliations +
Proceedings Volume 11799, Physical Chemistry of Semiconductor Materials and Interfaces XX; 117990N (2021) https://doi.org/10.1117/12.2594757
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
Using transient optical spectroscopies, we study excitation recombination dynamics in manganese-doped cesium lead-halide perovskite nanocrystals. Unexpectedly, we find an increase in the intrinsic excitonic radiative recombination rate upon doping, which is typically a challenging material property to tailor. Supported by ab initio calculations, we can attribute the enhanced emission rates to increased exciton localization through lattice periodicity breaking from Mn dopants, which increases exciton effective masses and overlap of electron and hole wavefunctions and thus the oscillator strength. Our report of a fundamental strategy for improving luminescence efficiencies in perovskite nanocrystals will be valuable for maximizing efficiencies in light-emitting applications.
Conference Presentation
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation Download Citation
Sascha Feldmann, Mahesh Gangishetty, Ivona Bravić, Timo Neumann, Bo Peng, Thomas Winkler, Richard H. Friend, Bartomeu Monserrat, Daniel N. Congreve, and Felix Deschler "Exciton localization in doped perovskite nanocrystals enhances intrinsic radiative recombination", Proc. SPIE 11799, Physical Chemistry of Semiconductor Materials and Interfaces XX, 117990N (1 August 2021); https://doi.org/10.1117/12.2594757
ACCESS THE FULL ARTICLE
ORGANIZATIONAL
Sign in with credentials provided by your organization.
INSTITUTIONAL
Select your institution to access the SPIE Digital Library.
SELECT YOUR INSTITUTION
PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
PERSONAL SIGN IN
No SPIE Account? Create one
PURCHASE THIS CONTENT
SUBSCRIBE TO DIGITAL LIBRARY
50 downloads per 1-year subscription
Members: $195
Non-members: $335 ADD TO CART
25 downloads per 1 - year subscription
Members: $145
Non-members: $250 ADD TO CART
PURCHASE SINGLE ARTICLE
Includes PDF, HTML & Video, when available
Members: $17.00
Non-members: $21.00 ADD TO CART
PROCEEDINGS
 PRESENTATION
WATCH
PRESENTATION SAVE TO MY LIBRARY
GET CITATION
Advertisement
Advertisement
KEYWORDS
Nanocrystals
Perovskite
Excitons
Doping
Lead
Light sources and illumination
Luminescence
RELATED CONTENT
Subscribe to Digital Library
Receive Erratum Email Alert
Back to Top