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Implementation of Portable Emissions Measurement Systems (PEMS) for the Real-driving Emissions (RDE) Regulation in Europe
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Published on: December 4, 2016

Walkable dual emissions.

Hai-Bing Xu1, Peng-Chong Jiao, Bin Kang

  • 1New Materials R&D Center, Key Laboratory of Science and Technology on High Energy Laser, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu, Sichuan 610200, China. hai_bingxu@163.com

Scientific Reports
|July 17, 2013
PubMed
Summary

Cyclic dimeric lanthanide complexes exhibit dual emissions that shift with temperature and concentration. These materials show potential as novel sensors for both concentration and temperature monitoring.

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Area of Science:

  • Coordination Chemistry
  • Materials Science
  • Photophysics

Background:

  • Lanthanide complexes are known for their luminescent properties.
  • Dual emission phenomena offer unique sensing capabilities.
  • Developing materials with tunable optical properties is crucial for advanced applications.

Purpose of the Study:

  • To demonstrate and investigate walkable dual emissions in cyclic dimeric lanthanide complexes.
  • To establish these complexes as a concept model for signal exchange and dispatch.
  • To explore their potential as concentration and temperature sensors.

Main Methods:

  • Synthesis of cyclic dimeric lanthanide complexes [Ln(hfac)3(PAnPO2)]2, where Ln = Eu(III), Tb(III).
  • Characterization of luminescence properties under varying temperature and concentration conditions.
  • Analysis of emission band shifts and their correlation with environmental parameters.

Main Results:

  • Demonstrated walkable dual emissions in the synthesized lanthanide complexes.
  • Observed reversible crossing or separation of emission bands based on temperature and concentration.
  • Established linear relationships between emission band maxima, concentration (log M), and temperature (K).

Conclusions:

  • The studied lanthanide complexes serve as a concept model for signal dispatch and exchange.
  • The tunable emission properties indicate potential applications as sensitive concentration and temperature sensors.
  • This work opens avenues for designing responsive luminescent materials.