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Interface amorphization of two‐dimensional black phosphorus upon treatment with diazonium salts

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Interface amorphization of two‐dimensional black phosphorus upon treatment with diazonium salts

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dc.contributor.author	Mitrovic, Aleksandra
dc.contributor.author	Wild, Stefan
dc.contributor.author	Lloret, Vicent
dc.contributor.author	Fickert, Michael
dc.contributor.author	Assebban, Mhamed
dc.contributor.author	Márkus, Bence G.
dc.contributor.author	Simon, Ferenc
dc.contributor.author	Hauke, Frank
dc.contributor.author	Abellán Sáez, Gonzalo
dc.contributor.author	Hirsch, Andreas
dc.date.accessioned	2021-05-24T16:54:31Z
dc.date.available	2021-05-24T16:54:31Z
dc.date.issued	2021
dc.identifier.citation	Mitrovic, Aleksandra Wild, Stefan Lloret, Vicent Fickert, Michael Assebban, Mhamed Márkus, Bence G. Simon, Ferenc Hauke, Frank Abellán Sáez, Gonzalo Hirsch, Andreas 2021 Interface amorphization of two‐dimensional black phosphorus upon treatment with diazonium salts Chemistry-A European Journal 27 10 3361 3366
dc.identifier.uri	https://hdl.handle.net/10550/79387
dc.description.abstract	Two-dimensional (2D) black phosphorus (BP) represents one of the most appealing 2D materials due to its electronic, optical, and chemical properties. Many strategies have been pursued to face its environmental instability, covalent functionalization being one of the most promising. However, the extremely low functionalization degrees and the limitations in proving the nature of the covalent functionalization still represent challenges in many of these sheet architectures reported to date. Here we shine light on the structural evolution of 2D-BP upon the addition of electrophilic diazonium salts. We demonstrated the absence of covalent functionalization in both the neutral and the reductive routes, observing in the latter case an unexpected interface conversion of BP to red phosphorus (RP), as characterized by Raman, 31P-MAS NMR, and X-ray photoelectron spectroscopies (XPS). Furthermore, thermogravimetric analysis coupled to gas chromatography and mass spectrometry (TG-GC-MS), as well as electron paramagnetic resonance (EPR) gave insights into the potential underlying radical mechanism, suggesting a Sandmeyer-like reaction.
dc.language.iso	eng
dc.relation.ispartof	Chemistry-A European Journal, 2021, vol. 27, num. 10, p. 3361-3366
dc.subject	Materials
dc.subject	Química
dc.title	Interface amorphization of two‐dimensional black phosphorus upon treatment with diazonium salts
dc.type	journal article	es_ES
dc.date.updated	2021-05-24T16:54:32Z
dc.identifier.doi	10.1002/chem.202003584
dc.identifier.idgrec	146132
dc.rights.accessRights	open access	es_ES