Wiley
Advanced Optical Materials
,  volume 13 ,  issue 7 ,  publication number 2402608

Super‐Absorber, Super‐Bright, Nearly‐Non‐Blinking CsPbI3 Perovskite Nanocrystal

Publication type: Journal Article
Publication date: 2024-10-24
Wiley
scimago Q1
wos Q1
SJR: 1.995
CiteScore: 12.7
Impact factor: 7.2
ISSN: 21951071
Abstract

Gigantic magnitude of molar extinction coefficient (ɛ) (≈2 × 108 m−1 cm−1) and PLQY (0.98) through Zn‐alloying and surface‐passivating ligand variation, make the CsPbI3 based perovskite nanocrystal (PNC) the most super‐absorbing and most super‐bright among quantum dot‐PNC family. Radiative rate got enhanced 9 times and non‐radiative rate decreased 13 times. Moreover, very high (detrapping rate/trapping rate) of electron and 90% peak of ON fraction make this PNC a nearly‐non‐blinking one. Ultrafast and comparatively shorter hot exciton/electron cooling time (536 fs) and hot exciton/electron trapping time (516 fs) can explain why this PNC exhibits hitherto unobserved excellent optical properties.

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Mukherjee S. et al. Super‐Absorber, Super‐Bright, Nearly‐Non‐Blinking CsPbI3 Perovskite Nanocrystal // Advanced Optical Materials. 2024. Vol. 13. No. 7. 2402608
GOST all authors (up to 50) Copy
Mukherjee S., Ghosh S., Ghosal M., Dey S., Mandal S., De C. K., Debnath R., Karmakar M., Karmakar A. J., Datta P. K., Mandal P. K. Super‐Absorber, Super‐Bright, Nearly‐Non‐Blinking CsPbI3 Perovskite Nanocrystal // Advanced Optical Materials. 2024. Vol. 13. No. 7. 2402608
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1002/adom.202402608
UR - https://onlinelibrary.wiley.com/doi/10.1002/adom.202402608
TI - Super‐Absorber, Super‐Bright, Nearly‐Non‐Blinking CsPbI3 Perovskite Nanocrystal
T2 - Advanced Optical Materials
AU - Mukherjee, Soumen
AU - Ghosh, Swarnali
AU - Ghosal, Mainak
AU - Dey, Sourav
AU - Mandal, Saptarshi
AU - De, Chayan K
AU - Debnath, Rahul
AU - Karmakar, Manobina
AU - Karmakar, Ayon Jyoti
AU - Datta, Prasanta K
AU - Mandal, Prasun K.
PY - 2024
DA - 2024/10/24
PB - Wiley
IS - 7
VL - 13
SN - 2195-1071
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2024_Mukherjee,
author = {Soumen Mukherjee and Swarnali Ghosh and Mainak Ghosal and Sourav Dey and Saptarshi Mandal and Chayan K De and Rahul Debnath and Manobina Karmakar and Ayon Jyoti Karmakar and Prasanta K Datta and Prasun K. Mandal},
title = {Super‐Absorber, Super‐Bright, Nearly‐Non‐Blinking CsPbI3 Perovskite Nanocrystal},
journal = {Advanced Optical Materials},
year = {2024},
volume = {13},
publisher = {Wiley},
month = {oct},
url = {https://onlinelibrary.wiley.com/doi/10.1002/adom.202402608},
number = {7},
pages = {2402608},
doi = {10.1002/adom.202402608}
}