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Developing Luminescent Ratiometric Thermometers Based on a Covalent Organic Framework (COF)

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Abstract
Abstract: Covalent Organic Frameworks (COFs), an emerging class of crystalline porous materials, are proposed as a new type of support for grafting lanthanide ions (Ln3+) and employing these hybrid materials as ratiometric luminescent thermometers. ATpBpy-COF—prepared from 1,3,5-triformylphloroglucinol (Tp) and 2,2’-bipyridine-5,5’-diamine (Bpy) grafted with Eu/Tb and Dy acetylacetone (acac) complexes can be successfully used as a luminescent thermometer in the 10– 360 K (Eu) and 280–440 K (Tb) ranges with good sensing properties (thermal sensitivity up to 1.403%K1, temperature uncertainty dT<1 K above 110 K). For the Eu/Tb systems, we observe an unusual and rarely reported behavior, that is, no thermal quenching of the Tb3+ emission, a result of the absence of ion-to-ligand/host energy back-transfer. The LnCOF materials proposed here could be a new class of materials employed for temperature-sensing applications following up on the wellknown luminescent metal–organic framework thermometers
Keywords
General Chemistry, Catalysis

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MLA
Kaczmarek, Anna, et al. “Developing Luminescent Ratiometric Thermometers Based on a Covalent Organic Framework (COF).” Angewandte Chemie International Edition, 2019.
APA
Kaczmarek, A., Liu, Y.-Y., Kaczmarek, M. K., Liu, H., Artizzu, F., Carlos, L. D., & Van Der Voort, P. (2019). Developing Luminescent Ratiometric Thermometers Based on a Covalent Organic Framework (COF). Angewandte Chemie International Edition.
Chicago author-date
Kaczmarek, Anna, Ying-Ya Liu, Mariusz K. Kaczmarek, Hengshuo Liu, Flavia Artizzu, Luís D. Carlos, and Pascal Van Der Voort. 2019. “Developing Luminescent Ratiometric Thermometers Based on a Covalent Organic Framework (COF).” Angewandte Chemie International Edition.
Chicago author-date (all authors)
Kaczmarek, Anna, Ying-Ya Liu, Mariusz K. Kaczmarek, Hengshuo Liu, Flavia Artizzu, Luís D. Carlos, and Pascal Van Der Voort. 2019. “Developing Luminescent Ratiometric Thermometers Based on a Covalent Organic Framework (COF).” Angewandte Chemie International Edition.
Vancouver
1.
Kaczmarek A, Liu Y-Y, Kaczmarek MK, Liu H, Artizzu F, Carlos LD, et al. Developing Luminescent Ratiometric Thermometers Based on a Covalent Organic Framework (COF). Angewandte Chemie International Edition. 2019;
IEEE
[1]
A. Kaczmarek et al., “Developing Luminescent Ratiometric Thermometers Based on a Covalent Organic Framework (COF),” Angewandte Chemie International Edition, 2019.
@article{8640359,
  abstract     = {Abstract: Covalent Organic Frameworks (COFs), an emerging
class of crystalline porous materials, are proposed as a new
type of support for grafting lanthanide ions (Ln3+) and
employing these hybrid materials as ratiometric luminescent
thermometers. ATpBpy-COF—prepared from 1,3,5-triformylphloroglucinol
(Tp) and 2,2’-bipyridine-5,5’-diamine (Bpy)
grafted with Eu/Tb and Dy acetylacetone (acac) complexes can
be successfully used as a luminescent thermometer in the 10–
360 K (Eu) and 280–440 K (Tb) ranges with good sensing
properties (thermal sensitivity up to 1.403%K1, temperature
uncertainty dT<1 K above 110 K). For the Eu/Tb systems, we
observe an unusual and rarely reported behavior, that is, no
thermal quenching of the Tb3+ emission, a result of the absence
of ion-to-ligand/host energy back-transfer. The LnCOF materials
proposed here could be a new class of materials employed
for temperature-sensing applications following up on the wellknown
luminescent metal–organic framework thermometers},
  author       = {Kaczmarek, Anna and Liu, Ying-Ya and Kaczmarek, Mariusz K. and Liu, Hengshuo and Artizzu, Flavia and Carlos, Luís D. and Van Der Voort, Pascal},
  issn         = {1433-7851},
  journal      = {Angewandte Chemie International Edition},
  keywords     = {General Chemistry,Catalysis},
  language     = {eng},
  title        = {Developing Luminescent Ratiometric Thermometers Based on a Covalent Organic Framework (COF)},
  url          = {http://dx.doi.org/10.1002/anie.201913983},
  year         = {2019},
}

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