{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Li G"],"funding":["Natural Science Foundation of Jiangsu Province"],"pagination":["566"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9864372"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["28(2)"],"pubmed_abstract":["Five novel bis-tridentate Ir(III) complexes (<b>Ir-1</b>-<b>Ir-5</b>) incorporating versatile N^N^C ligands and a N^C^N ligand (1,3-di(2-pyridyl)-4,6-dimethylbenzene) were synthesized. With the combination of experimental and theoretical methods, their steady and transient state characteristics were researched scientifically. The UV-visible absorption spectra show that the broadband charge transfer absorbance of those bis-tridentate Ir(III) complexes can reach 550 nm, all of these complexes reveal the long-lasting phosphorescent emission. Because the excited-state absorption is more powerful than the ground-state absorption, a sturdy reverse saturable absorption (RSA) process can ensue in the visible and near-infrared regions when the complexes are exposed to a 532 nm laser. Therefore, the optical power limiting (OPL) effect follows the trend: <b>Ir-5</b> &gt; <b>Ir-4</b> ≈ <b>Ir-3</b> &gt; <b>Ir-2</b> &gt; <b>Ir-1</b>. Generally speaking, the expansion of π-conjugation and the introduction of electron donating/withdrawing groups on the N^N^C ligand could effectively elevate the OPL effect. Therefore, these octahedral bis-tridentate Ir(III) complexes might be exploited as potential OPL materials."],"journal":["Molecules (Basel, Switzerland)"],"pubmed_title":["Synthesis, Photophysics and Tunable Reverse Saturable Absorption of Bis-Tridentate Iridium(III) Complexes via Modification on Diimine Ligand."],"pmcid":["PMC9864372"],"funding_grant_id":["BK20220351"],"pubmed_authors":["Li G","Jiang Z","Tang M","Jiang X","Liu R","Zhu H","Tu H","Zhu S"],"additional_accession":[]},"is_claimable":false,"name":"Synthesis, Photophysics and Tunable Reverse Saturable Absorption of Bis-Tridentate Iridium(III) Complexes via Modification on Diimine Ligand.","description":"Five novel bis-tridentate Ir(III) complexes (<b>Ir-1</b>-<b>Ir-5</b>) incorporating versatile N^N^C ligands and a N^C^N ligand (1,3-di(2-pyridyl)-4,6-dimethylbenzene) were synthesized. With the combination of experimental and theoretical methods, their steady and transient state characteristics were researched scientifically. The UV-visible absorption spectra show that the broadband charge transfer absorbance of those bis-tridentate Ir(III) complexes can reach 550 nm, all of these complexes reveal the long-lasting phosphorescent emission. Because the excited-state absorption is more powerful than the ground-state absorption, a sturdy reverse saturable absorption (RSA) process can ensue in the visible and near-infrared regions when the complexes are exposed to a 532 nm laser. Therefore, the optical power limiting (OPL) effect follows the trend: <b>Ir-5</b> &gt; <b>Ir-4</b> ≈ <b>Ir-3</b> &gt; <b>Ir-2</b> &gt; <b>Ir-1</b>. Generally speaking, the expansion of π-conjugation and the introduction of electron donating/withdrawing groups on the N^N^C ligand could effectively elevate the OPL effect. Therefore, these octahedral bis-tridentate Ir(III) complexes might be exploited as potential OPL materials.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jan","modification":"2025-04-26T00:41:27.73Z","creation":"2025-04-06T09:48:21.734Z"},"accession":"S-EPMC9864372","cross_references":{"pubmed":["36677626"],"doi":["10.3390/molecules28020566"]}}