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Photoactive ultrathin molecular nanosheets with reversible lanthanide binding terpyridine centers.
- Source :
-
Nanoscale [Nanoscale] 2021 Dec 16; Vol. 13 (48), pp. 20583-20591. Date of Electronic Publication: 2021 Dec 16. - Publication Year :
- 2021
-
Abstract
- In recent years, functional molecular nanosheets have attracted much attention in the fields of sensors and energy storage. Here, we present an approach for the synthesis of photoactive metal-organic nanosheets with ultimate molecular thickness. To this end, we apply low-energy electron irradiation induced cross-linking of 4'-(2,2':6',2''-terpyridine-4'-yl)-1,1'-biphenyl-4-thiol self-assembled monolayers on gold to convert them into functional ∼1 nm thick carbon nanomembranes possessing the ability to reversibly complex lanthanide ions (Ln-CNMs). The obtained Ln-CNMs can be prepared on a large-scale (>10 cm <superscript>2</superscript> ) and inherit the photoactivity of the pristine terpyridine lanthanide complex (Ln(III)-tpy). Moreover, they possess mechanical stability as free-standing sheets over micrometer sized openings. The presented methodology paves a simple and robust way for the preparation of ultrathin nanosheets with tailored photoactive properties for application in photocatalytic and energy conversion devices.
Details
- Language :
- English
- ISSN :
- 2040-3372
- Volume :
- 13
- Issue :
- 48
- Database :
- MEDLINE
- Journal :
- Nanoscale
- Publication Type :
- Academic Journal
- Accession number :
- 34874038
- Full Text :
- https://doi.org/10.1039/d1nr05430a