Effect of hydroxy groups on nonlinear optical behaviour of encapsulated freebase porphyrin thin films in a borate glass matrix was written by Beniwal, Ravina;Gawas, Pratiksha;Prabha Charan, Chandra;Nutalapati, Venkatramaiah;Murali Krishna Mariserla, Bala. And the article was included in Materials Science & Engineering in 2022.Product Details of 57412-08-5 The following contents are mentioned in the article:
The development of nonlinear optical (NLO) materials are crucial for technol. advancement in the field of optoelectronics and photonics. In this direction, porphyrin mols. are appeared to be a possible building material to play a key role in the light-matter interactions owing to their high degree of delocalized ¦Ð-electrons. The primary focus is to understand the effect of hydroxy Ph derivatives of meso-substituted porphyrins in an encapsulated borate glass matrix through linear and nonlinear optical measurements. The encapsulated porphyrin mols. show strong red shifted Soret (B) and Q-band absorption pattern in the range 455-460 nm and 680-700 nm, resp., and structure is modified. The Q-band is able to tune by varying the number of hydroxy groups on the Ph ring of the porphyrin mol. A similar red shift is observed in the emission spectra of the encapsulated porphyrin along with the appearance of a new emission peak due to impede N-B vibrations in the glass matrix. The NLO behavior of the encapsulated porphyrin thin films in borate glass matrix show reverse saturable absorption (RSA) at lower intensity region and crossover to saturable absorption (SA) at higher intensity. With the tunable intensity variations across the focal region, these porphyrin thin films exhibit switching behavior from RSA to SA unclog its potential to act as an optical limiter (in the intensity range <10 GW/cm2) and an optical switch (in the high intensity range ?10 GW/cm2). This study involved multiple reactions and reactants, such as 4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5Product Details of 57412-08-5).
4-(10,15,20-Tri-p-tolylporphyrin-5-yl)phenol (cas: 57412-08-5) belongs to catalyst ligands. Ligands are classified based on the number of lone pair electrons available for the central metal atom, size and charge like anionic, cationic, neutral, monodentate, bidentate, polydentate ligands. The ligands are electron-rich and highly tunable to provide catalyst systems with a diverse scope, high stability, and reactivity.Product Details of 57412-08-5
Referemce:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI