4.7 Article

Terbium-fluorido cluster: an energy cage for photoluminescence

Journal

CHEMICAL COMMUNICATIONS
Volume 56, Issue 64, Pages 9130-9133

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc02898c

Keywords

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Funding

  1. NSFC [21971203, 51902354]
  2. Shenzhen Science and Technology Program [JCYJ20180306170859634]
  3. Xi'an Municipal Bureau of Science and Technology [201805056ZD7CG40]
  4. State Key Laboratory for Mechanical Behavior of Materials [20182006]
  5. Cyrus Chung Ying Tang Foundation
  6. Key Scientific and Technological Innovation Team of Shaanxi province [2020TD-001]
  7. Fundamental Research Funds for the Central Universities
  8. Guangdong Natural Science Funds for Distinguished Young Scholar [2018B030306009]
  9. Young Elite Scientists Sponsor-ship Program by CAST [2017QNRC001]

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We report here that energy migration during luminescence can be extremely minimized by caging the fluorescent centers in a molecular cluster of [Tb-6(mu(3)-F)(8)(piv)(10)(Hpiv)(4)DMF]center dot xDMF center dot yH(2)O1. Experimental and theoretical simulations reveal that bonding terbium with fluoride is the key to reducing the non-radiative multi-phonon relaxation processes, which is disparate to the common hydroxy-based lanthanide clusters.

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