Full-Range Ratiometric Detection of D2O in H2O by a Heterobimetallic Uranyl/Lanthanide Framework with 4f/5f Bimodal Emission
Source abstract
Abstract
A uranyl-europium heterobimetallic compound, (TEA)3[(UO2)6Eu(H2O)4(PPA)6] (H3PPA = phosphonoacetic acid, TEA = tetraethylammonium cation), was synthesized under mild hydrothermal conditions. The emission spectrum contains characteristic electronic transition features of both Eu3+ and UO22+, while the peak intensity of Eu3+ is notably higher than that of UO22+. This is primarily attributed to the energy transfer from uranyl to europium in the structure. Significantly, a positive correlation between the Eu3+ peak intensity at 621 nm and the D2O content can be established in the aqueous system, while the uranyl peak intensity is almost unchanged, allowing for the full-range ratiometric detection of D2O in H2O.
Source: europepmc · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Radioactive element chemistry and processing · Lanthanide and Transition Metal Complexes · Analytical chemistry methods development
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, 199 Ren’ai Road, Suzhou 215123, P. R. China
Analysis and Testing Center, Soochow University, Suzhou 215123, P. R. China
Funding
National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions
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