title: A Highly Emissive Water-Soluble Phosphorus Corrole.
abstract: The synthesis, spectroscopic, and optical properties of the water-soluble phosphorus complex of a 2-sulfonato-10-(4-sulfonatophenyl)-5,15-dimesitylcorrole have been investigated. The compound was prepared by adopting a novel strategy for the corrole sulfonation, leading to the regioselective isomer in an almost quantitative yield. The phosphorus coordination has a key role in determining the corrole substitution pattern, limiting the formation of poly-substituted species, which affected the reaction of the corrole free base. The resulting complex shows excellent optical properties in terms of emission quantum yield, also in polar protic solvents, including water.31P NMR spectroscopy in CD3OD indicates that the P sulfonate complex has been isolated in a hexacoordinated geometry with two different ligands (L1=-OH, L2=-OCH3), and it is prone to axial ligand exchange with methanol, with no evidence of intermediate pentacoordinated species. The morphological characterization of thin layers of the P corrole deposited onto an Au(111) surface showed that the addition of an intermediate layer of reduced graphene oxide allows for a better control of corrole aggregation, inducing also transformation of the Au(111) reconstructed surface.
authors: Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma "Tor Vergata", Via della Ricerca, Scientifica 1, 00133, Rome, Italy.
authors: Mario L
authors: ML
authors: Naitana
authors: Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma "Tor Vergata", Via della Ricerca, Scientifica 1, 00133, Rome, Italy.
authors: Sara
authors: http://orcid.org/0000-0003-3306-9293
authors: S
authors: Nardis
authors: Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma "Tor Vergata", Via della Ricerca, Scientifica 1, 00133, Rome, Italy.
authors: Giuseppe
authors: G
authors: Pomarico
authors: Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma "Tor Vergata", Via della Ricerca, Scientifica 1, 00133, Rome, Italy.
authors: Michele
authors: M
authors: Raggio
authors: Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma "Tor Vergata", Via della Ricerca, Scientifica 1, 00133, Rome, Italy.
authors: Fabrizio
authors: F
authors: Caroleo
authors: Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma "Tor Vergata", Via della Ricerca, Scientifica 1, 00133, Rome, Italy.
authors: Daniel O
authors: http://orcid.org/0000-0001-5012-1714
authors: DO
authors: Cicero
authors: Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma "Tor Vergata", Via della Ricerca, Scientifica 1, 00133, Rome, Italy.
authors: Sara
authors: http://orcid.org/0000-0002-9288-9155
authors: S
authors: Lentini
authors: Dipartimento di Chimica "G. Ciamician", Università di Bologna, via Selmi 2, 40126, Bologna, Italy.
authors: Luca
authors: http://orcid.org/0000-0002-1630-8291
authors: L
authors: Prodi
authors: Dipartimento di Chimica "G. Ciamician", Università di Bologna, via Selmi 2, 40126, Bologna, Italy.
authors: Damiano
authors: http://orcid.org/0000-0002-4389-7247
authors: D
authors: Genovese
authors: Dipartimento di Fisica, Università di Roma "Tor Vergata", Via della Ricerca Scientifica 1, 00133, Rome, Italy.
authors: Saisameera
authors: S
authors: Mitta
authors: Dipartimento di Fisica, Università di Roma "Tor Vergata", Via della Ricerca Scientifica 1, 00133, Rome, Italy.
authors: Anna
authors: http://orcid.org/0000-0001-9662-0877
authors: A
authors: Sgarlata
authors: Dipartimento di Fisica, Università di Roma "Tor Vergata", Via della Ricerca Scientifica 1, 00133, Rome, Italy.
authors: Massimo
authors: http://orcid.org/0000-0003-0757-1191
authors: M
authors: Fanfoni
authors: Department of Materials, ETH Zurich, Hönggerbergring 64, Zürich, 8093, Switzerland.
authors: Luca
authors: L
authors: Persichetti
authors: Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma "Tor Vergata", Via della Ricerca, Scientifica 1, 00133, Rome, Italy.
authors: Roberto
authors: http://orcid.org/0000-0002-2380-1404
authors: R
authors: Paolesse
keywords: corrole; phosphorus; porphyrinoids; scanning probe microscopy; sulfonation