Trans -disubstituted benzodiazaporphyrin: A promising hybrid dye between porphyrin and phthalocyanine for application in dye-sensitized solar cells

Panchromatic porphyrin-based dye-sensitized solar cells: from cosensitization to concerted companion dye approaches

“…In another case, an imidazolyl BODIPY ligand was added in the iodide/triiodide electrolyte to enhance the performance of tetrabenzodiazaporphyrin CROSSDAP based cells (Fig. 19c) by Cheprakov et al 114 The individual BODIPY dye only afforded a low PCE of 0.22%, while the combination with CROSSDAP afforded improved IPCE values in the 450–550 nm region by about 10% and the corresponding current by 1.2 mA cm −2 . Xie et al designed a pyridine derivative ( N1 ) with a strong absorption band around 500 nm (Fig.…”

Unique multiphthalocyanine coordination systems: vibrationally hot excited states and charge transfer states that power high energy triplet charge separated states

“…[10][11][12][13][14][15][16][17][18][19][20][21] By virtue of their versatility in terms of electron donor or acceptor building blocks, phthalocyanines (Pcs) and analogous porphyrins (Pors) have been intensively investigated in recent years for organic electronic and spintronic nanodevices. [22][23][24][25][26][27][28][29][30] Their unique performance is linked to an absorption and fluorescence that stem from a planar configuration and that favor self-assembly. To this end, the scientific community has created numerous non-covalent multichromophoric arrays, 31 such as those involving different pyridyl synthons coordinated to the metal centre of ruthenium phthalocyanines (RuPcs).…”

Antenna Effect in BODIPY-(Zn)Porphyrin Entities Promotes H2 Evolution in Dye-Sensitized Photocatalytic Systems

“…In addition, Ho et al illustrated that a covalently connected BODIPY-(Zn)­Porphyrin dye exhibits 12 800 TONs over 120 h of illumination . It is worth mentioning that multichromophoric systems have also been reported to effectively enhance the photovoltaic performance in dye-sensitized solar cells (DSSCs). , Porphyrin-BODIPY dyads have been thoroughly examined as sensitizers in DSSCs due to the antenna effect between the chromophores and also because of their complementary absorption features. − In stark contrast, there is only one example of a porphyrin-BODIPY dyad in DSPs for H 2 evolution . However, several aspects that could impact H 2 evolution are still not studied in such porphyrin-BODIPY systems, namely, the type of connection between the two entities or the supplementary antenna effect by the addition of an extra BODIPY.…”