New Journal of Chemistry, volume 42, issue 8, pages 5875-5888

Near infra-red dyes based on pyrene aza-BODIPYs

Publication typeJournal Article
Publication date2018-02-23
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.3
ISSN11440546, 13699261
Materials Chemistry
General Chemistry
Catalysis
Abstract
Pyrene substituted donor–acceptor type NIR aza-BODIPYs were designed and synthesized. The 1,7-positions of the aza-BODIPY core were substituted by pyrene moieties and the 3,5-positions were substituted with phenyl/2-thienyl or anisyl groups in the aza-BODIPYs. The effect of substituents on their photophysical and electrochemical properties was studied; also, computational studies were carried out for the target aza-BODIPYs. These near infrared dyes displayed the lowest energy absorption maxima in the range of 670–738 nm; whereas, their emission maxima were centered on ≈764 nm. The absorption and emission spectra of the aza-BODIPYs were significantly red shifted (72–94 nm) as compared to the parent tetra-phenylaza-BODIPY. Fluorescence studies suggested effective energy transfer (up to 65%) from donor groups to the aza-BODIPY core in all the compounds. TD-DFT studies indicated significant electronic interactions between energy donor groups and the aza-BODIPY core in all the aza-BODIPYs. The values of HOMO–LUMO gap (ΔE) calculated from cyclic voltammetry data were comparable with those obtained from DFT studies.

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GOST Copy
Balsukuri N. et al. Near infra-red dyes based on pyrene aza-BODIPYs // New Journal of Chemistry. 2018. Vol. 42. No. 8. pp. 5875-5888.
GOST all authors (up to 50) Copy
Balsukuri N., Boruah N. J., Kesavan P. E., Gupta I. Near infra-red dyes based on pyrene aza-BODIPYs // New Journal of Chemistry. 2018. Vol. 42. No. 8. pp. 5875-5888.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1039/C7NJ03408C
UR - https://doi.org/10.1039%2FC7NJ03408C
TI - Near infra-red dyes based on pyrene aza-BODIPYs
T2 - New Journal of Chemistry
AU - Balsukuri, Naresh
AU - Boruah, Nayan Jyoti
AU - Kesavan, Praseetha E.
AU - Gupta, Iti
PY - 2018
DA - 2018/02/23 00:00:00
PB - Royal Society of Chemistry (RSC)
SP - 5875-5888
IS - 8
VL - 42
SN - 1144-0546
SN - 1369-9261
ER -
BibTex |
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BibTex Copy
@article{2018_Balsukuri,
author = {Naresh Balsukuri and Nayan Jyoti Boruah and Praseetha E. Kesavan and Iti Gupta},
title = {Near infra-red dyes based on pyrene aza-BODIPYs},
journal = {New Journal of Chemistry},
year = {2018},
volume = {42},
publisher = {Royal Society of Chemistry (RSC)},
month = {feb},
url = {https://doi.org/10.1039%2FC7NJ03408C},
number = {8},
pages = {5875--5888},
doi = {10.1039/C7NJ03408C}
}
MLA
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MLA Copy
Balsukuri, Naresh, et al. “Near infra-red dyes based on pyrene aza-BODIPYs.” New Journal of Chemistry, vol. 42, no. 8, Feb. 2018, pp. 5875-5888. https://doi.org/10.1039%2FC7NJ03408C.
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