Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Influence of Linker Identity on the Photochemistry of Uranyl-Organic Frameworks

Journal Article · · ACS Applied Materials and Interfaces
While uranyl-based metal–organic frameworks (MOFs) boast impressive photocatalytic abilities, significant questions remain regarding their excitation pathways and methods to fine-tune their performance due to the lack of information regarding heterogeneous uranyl catalysis. Herein, we investigated how linker identity and photoexcitation impact uranyl photocatalysis when the uranyl coordination environment remains constant. Toward this end, we prepared three uranyl-based MOFs (NU-1301, NU-1307, and ZnTCPP-U2) and then examined the structural and photochemical properties of each through X-ray diffraction, X-ray absorption, and photoluminescence. We then correlated our observations to the photocatalytic performance for fluorination of cyclooctane. The excitation profile from NU-1301 and NU-1307 exhibited spin-forbidden linker transitions and uranyl vibronic progressions, with uranyl excitation and emission being most dominant in NU-1301. Consequently, NU-1301 was a more active photocatalyst than NU-1307. In contrast, the excitation profile from ZnTCPP-U2 contained transitions associated with the porphyrin linker exclusively. Photocatalytic activity from ZnTCPP-U2 significantly underperformed in comparison to that of the other two MOFs. Furthermore, these data suggest that linkers’ photophysical properties can be used to predict the photocatalytic behavior of uranyl-containing MOFs.
Research Organization:
University of Notre Dame, IN (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-76SF00515; NA0003763
OSTI ID:
2007796
Journal Information:
ACS Applied Materials and Interfaces, Journal Name: ACS Applied Materials and Interfaces Journal Issue: 37 Vol. 15; ISSN 1944-8244
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

References (42)

The Uranyl Cation as a Visible-Light Photocatalyst for C(sp 3 )−H Fluorination journal June 2016
Rational Design of a Uranyl Metal–Organic Framework for the Capture and Colorimetric Detection of Organic Dyes journal October 2020
Visible‐Light‐Enabled C−H Functionalization by a Direct Hydrogen Atom Transfer Uranyl Photocatalyst journal November 2020
Unprecedented Catalytic Behavior of Uranyl(VI) Compounds in Chemical Reactions journal November 2020
Luminescence Analysis of Actinides: Instrumentation, Applications, Quantification, Future Trends, and Quality Assurance book January 2008
Reticular exploration of uranium-based metal—organic frameworks with hexacarboxylate building units journal February 2020
Infrared spectra of some uranyl nitrate complexes journal September 1967
Spectra of porphyrins journal January 1961
Correlation between the vibronic spectra of the uranyl ion and the geometry of its coordination journal February 1972
Raman spectra of zeolites exchanged with uranyl(VI) cations—II. Zeolite X journal January 1989
Potential applications of metal-organic frameworks journal December 2009
Uranyl and arsenate cosorption on aluminum oxide surface journal May 2009
Uranium removal from groundwater by natural clinoptilolite zeolite: Effects of pH and initial feed concentration journal March 2010
Comprehensive review of photophysical parameters (ε, Φf, τs) of tetraphenylporphyrin (H2TPP) and zinc tetraphenylporphyrin (ZnTPP) – Critical benchmark molecules in photochemistry and photosynthesis journal March 2021
Metal–organic frameworks: a new class of porous materials journal August 2004
Mixed complexes of alkaline earth uranyl carbonates: A laser-induced time-resolved fluorescence spectroscopic study journal November 2008
Art of Architecture: Efficient Transport through Solvent-Filled Metal–Organic Frameworks Regulated by Topology journal August 2021
Stabilization of Photocatalytically Active Uranyl Species in a Uranyl–Organic Framework for Heterogeneous Alkane Fluorination Driven by Visible Light journal June 2020
Disproportionation of the Uranyl(V) Coordination Complexes in Aqueous Solution through Outer-Sphere Electron Transfer journal November 2021
A Combined Experimental and Theoretical Study on the Extraction of Uranium by Amino-Derived Metal–Organic Frameworks through Post-Synthetic Strategy journal November 2016
Introduction to Metal–Organic Frameworks journal September 2011
Comparative Study of Uranyl(VI) and -(V) Carbonato Complexes in an Aqueous Solution journal May 2007
Uranium-Oxygen Bond Lengths in Uranyl Salts: Uranyl Fluoride and Uranyl Carbonate. journal June 1963
Coordination Chemistry of Trivalent Lanthanide and Actinide Ions in Dilute and Concentrated Chloride Solutions journal February 2000
The Quest for Modular Nanocages: tbo -MOF as an Archetype for Mutual Substitution, Functionalization, and Expansion of Quadrangular Pillar Building Blocks journal September 2011
Metal–Organic Frameworks as A Tunable Platform for Designing Functional Molecular Materials journal August 2013
Investigation of the Electronic Ground States for a Reduced Pyridine(diimine) Uranium Series: Evidence for a Ligand Tetraanion Stabilized by a Uranium Dimer journal April 2015
Electronic Structure and Bonding in Actinyl Ions and their Analogs journal May 2007
Spectroscopic and computational investigation of actinium coordination chemistry journal August 2016
Assembly of porphyrin-based uranium organic frameworks with (3,4)-connected pto and tbo topologies journal January 2019
Single crystal structure and photocatalytic behavior of grafted uranyl on the Zr-node of a pyrene-based metal–organic framework journal January 2020
Post synthetically modified IRMOF-3 for efficient recovery and selective sensing of U(vi) from aqueous medium journal January 2021
The photochemistry of the uranyl ion journal January 1974
Concerning meso-tetraphenylporphyrin purification journal January 1975
Real-space multiple-scattering calculation and interpretation of x-ray-absorption near-edge structure journal September 1998
Theoretical approaches to x-ray absorption fine structure journal July 2000
Tetrakis(tetramethylammonium) tricarbonatodioxidouranate octahydrate journal August 2011
Single-crystal neutron diffraction: structure of sodium tris(acetato)dioxouranate(1–) journal September 1991
ATHENA , ARTEMIS , HEPHAESTUS : data analysis for X-ray absorption spectroscopy using IFEFFIT journal June 2005
The Chemistry and Applications of Metal-Organic Frameworks journal August 2013
Bottom-up construction of a superstructure in a porous uranium-organic crystal journal April 2017
Photochemical Reactions of Uranyl Ions with Organic Compounds. II. The Mechanism of the Photo-Oxidation of Alcohols by Uranyl Ions journal August 1970