Synthesis and functionalization of new polyhalogenated BODIPY dyes. Study of their photophysical properties and singlet oxygen generation

Tetrahedron ◽  
2012 ◽  
Vol 68 (4) ◽  
pp. 1153-1162 ◽  
Author(s):  
Maria J. Ortiz ◽  
Antonia R. Agarrabeitia ◽  
Gonzalo Duran-Sampedro ◽  
Jorge Bañuelos Prieto ◽  
Teresa Arbeloa Lopez ◽  
...  
2012 ◽  
Vol 116 (49) ◽  
pp. 14228-14234 ◽  
Author(s):  
Wenli Shao ◽  
Hui Wang ◽  
Shuang He ◽  
Lei Shi ◽  
Kaimei Peng ◽  
...  

2016 ◽  
Vol 22 (12) ◽  
pp. 4164-4174 ◽  
Author(s):  
Atanu Jana ◽  
Luke McKenzie ◽  
Ashley B. Wragg ◽  
Masatoshi Ishida ◽  
Jonathan P. Hill ◽  
...  

2013 ◽  
Vol 17 (10) ◽  
pp. 964-971 ◽  
Author(s):  
Pınar Şen ◽  
Catherine Hirel ◽  
Ayşe-Gül Gürek ◽  
Chantal Andraud ◽  
Yann Bretonnière ◽  
...  

Three differently substituted Pd-tetraphenyl-porphyrins complexes were synthesized and their X-ray crystal and photophysical properties were studied. All compounds display intense phosphorescence in de-aerated solutions at room temperature with decay time in the μs range. An efficient spin transfer to oxygen in aerated solutions was monitored using singlet oxygen (1 O 2) luminescence at 1275 nm. For all compounds, the quantum efficiency for generating singlet oxygen was found to be close to unity. Interesting differences in the pathways from the excited singlet state to singlet oxygen via the intermediate triplet state were observed. The excitation spectra obtained while recording the phosphorescence at 1275 nm closely matched the absorption spectra with two bands: the Soret (or B) band near 410–420 nm and a split Q-band at 510–520 nm. Noticeable differences in the B/Q intensity ratio between the absorption and excitation spectra (for both phosphorescence and singlet oxygen luminescence) were determined, indicating different Sx → T1 pathways.


2020 ◽  
Vol 4 (2) ◽  
pp. 589-596
Author(s):  
Keiichi Imato ◽  
Kazuki Ohira ◽  
Masakuni Yamaguchi ◽  
Toshiaki Enoki ◽  
Yousuke Ooyama

New phenazine-based photosensitizers with extended conjugation and different functional groups were developed, and their photophysical properties and photosensitizing abilities to produce singlet oxygen were investigated.


ACS Omega ◽  
2020 ◽  
Vol 5 (15) ◽  
pp. 8804-8815
Author(s):  
Geovany Albino de Souza ◽  
Fabio de Castro Bezerra ◽  
Tatiana Duque Martins

Sign in / Sign up

Export Citation Format

Share Document