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View article: Resolving Dye Embedment in MOF‐5: Multimodal Evidence for Perylene‐Based Guest Encapsulation
Resolving Dye Embedment in MOF‐5: Multimodal Evidence for Perylene‐Based Guest Encapsulation Open
The interplay between two single components within a hybrid system plays a particular role for the formation of new functional materials with specific properties. In this respect, photoactive metal‐organic frameworks (MOFs) with a non‐cova…
View article: Deep Seek to the Excited States: A Thermally‐Activated Jahn–Teller Effect Achieves Superior Sensitivity for Thermometry at Cryogenic Temperature
Deep Seek to the Excited States: A Thermally‐Activated Jahn–Teller Effect Achieves Superior Sensitivity for Thermometry at Cryogenic Temperature Open
Boltzmann equilibrium is not always achieved at the lower temperature limit for a typical ratiometric thermometer with thermally coupled excited states. The universal approach to broaden the dynamic temperature range of all Boltzmann‐type …
View article: Stable Ultramicroporous Metal–Organic Framework with Hydrophilic and Hydrophobic Domains for Selective Gas Adsorption
Stable Ultramicroporous Metal–Organic Framework with Hydrophilic and Hydrophobic Domains for Selective Gas Adsorption Open
Herein, we report the thermal and chemical stability, and the gas adsorption behavior, of a mixed‐linker phosphonate MOF, [Cu(4,4′‐bpy) 0.5 (1,4‐NDPAH 2 )], namely TUB41 (where bpy = bipyridine and NDPAH 4 = naphthalenediphosphonic acid). …
View article: Zinc and Cobalt Coordination Polymers Based on the Redox‐Active Linker 4,4′‐(Phenazine‐5,10‐diyl)dibenzoate: Structures and Electrochemical Properties
Zinc and Cobalt Coordination Polymers Based on the Redox‐Active Linker 4,4′‐(Phenazine‐5,10‐diyl)dibenzoate: Structures and Electrochemical Properties Open
The novel coordination polymers [Zn(PZDB)(DEF) 2 ] n (Zn‐PZDB) and [Co(HPZDB) 2 (DEF) 2 ] n (Co‐HPZDB) (H 2 PZDB = 4,4′‐(phenazine‐5,10‐diyl)dibenzoic acid, DEF = N,N ‐diethylformamide) are synthesized solvothermally from the metal nitrate…
View article: Ce <sup>3+</sup> ‐Activated Lithium Rare‐Earth Oxonitridolithosilicates: A New Class of LED Phosphors with Similarities to Garnets
Ce <sup>3+</sup> ‐Activated Lithium Rare‐Earth Oxonitridolithosilicates: A New Class of LED Phosphors with Similarities to Garnets Open
Green‐emitting Ce 3+ ‐activated solid‐state phosphors are in the key focus of the development of next‐generation phosphor‐converted LEDs (pc‐LEDs). With the first representatives of the substance class of lithium rare‐earth oxonitridolitho…
View article: Pd[B(S <sub>2</sub> O <sub>7</sub> ) <sub>2</sub> ] <sub>2</sub> and Pd[B(SO <sub>4</sub> ) (S <sub>2</sub> O <sub>7</sub> )] <sub>2</sub> : Two Borosulfates with Pd <sup>2+</sup> in Octahedral and One with Pd <sup>2+</sup> in Square Planar Oxygen Coordination
Pd[B(S <sub>2</sub> O <sub>7</sub> ) <sub>2</sub> ] <sub>2</sub> and Pd[B(SO <sub>4</sub> ) (S <sub>2</sub> O <sub>7</sub> )] <sub>2</sub> : Two Borosulfates with Pd <sup>2+</sup> in Octahedral and One with Pd <sup>2+</sup> in Square Planar Oxygen Coordination Open
The reaction of elemental palladium with B 2 O 3 and SO 3 at elevated temperature results in the formation of blue crystals of Pd[B(S 2 O 7 ) 2 ] 2 . Dependent on the reaction conditions, the compound crystallizes in two different polymorp…
View article: Synthesis and Optical Properties of Single‐Crystalline Phosphors Gd<sub>3</sub>In<sub>2</sub>Ga<sub>3</sub>O<sub>12</sub>:RE<sup>3+</sup> (RE = Nd<sup>3+</sup> and Ho<sup>3+</sup>) Grown via the Optical Float Zone Method
Synthesis and Optical Properties of Single‐Crystalline Phosphors Gd<sub>3</sub>In<sub>2</sub>Ga<sub>3</sub>O<sub>12</sub>:RE<sup>3+</sup> (RE = Nd<sup>3+</sup> and Ho<sup>3+</sup>) Grown via the Optical Float Zone Method Open
The continuous development of innovative optical materials with lanthanoid ions as activators has emerged as a modern sector of materials chemistry. The experience with the fabrication of single crystals with the optical float zone has mot…
View article: Mn <sup>2+</sup> ‐Activated Alkali Lithooxidosilicate Phosphors as Sustainable Alternative White‐Light Emitters
Mn <sup>2+</sup> ‐Activated Alkali Lithooxidosilicate Phosphors as Sustainable Alternative White‐Light Emitters Open
Eu 2+ ‐activated alkali lithooxidosilicates have emerged as promising candidates for narrow‐band cyan and green‐emitting phosphors for human‐centered lighting. Despite the vivid research on Eu 2+ ‐activated alkali lithooxidosilicates, litt…
View article: Pr3+ Visible to Ultraviolet Upconversion for Antimicrobial Applications
Pr3+ Visible to Ultraviolet Upconversion for Antimicrobial Applications Open
This paper addresses the upconversion of blue light to ultraviolet-C (UVC) with Pr3+-activated materials for antibacterial applications of UVC. It discusses the processes through which UV radiation provides biocidal effects on microorganis…
View article: Synthesis and Optical Properties of Single Crystalline Phosphors Gd3In2Ga3O12:RE3+ (RE = Nd3+ and Ho3+) Grown via the Optical Float Zone Method
Synthesis and Optical Properties of Single Crystalline Phosphors Gd3In2Ga3O12:RE3+ (RE = Nd3+ and Ho3+) Grown via the Optical Float Zone Method Open
The continuous development of innovative optical materials with lanthanoid ions as activators has emerged as a modern sector of materials chemistry. Our experience with the fabrication of single crystals with the optical float zone has mot…
View article: Synthesis and Optical Properties of Single Crystalline Phosphors Gd3In2Ga3O12:RE3+ (RE = Nd3+ and Ho3+) Grown via the Optical Float Zone Method
Synthesis and Optical Properties of Single Crystalline Phosphors Gd3In2Ga3O12:RE3+ (RE = Nd3+ and Ho3+) Grown via the Optical Float Zone Method Open
The continuous development of innovative optical materials with lanthanoid ions as activators has emerged as a modern sector of materials chemistry. Our experience with the fabrication of single crystals with the optical float zone has mot…
View article: TUB41: A Robust MOF for Industrial Gas Separation
TUB41: A Robust MOF for Industrial Gas Separation Open
Herein, we report on the thermal and chemical stability and CO2 and water vapor adsorption of a mixed linker phosphonate-MOF [Cu(4,4’‐bpy)0.5(1,4‐NDPAH2)], namely TUB41 (bpy = bipyridine and NDPAH4 = naphthalenediphosphonic acid). TUB41 ex…
View article: Understanding the thermometric behaviour of LiLuF <sub>4</sub> :Tm <sup>3+</sup> ,Yb <sup>3+</sup>
Understanding the thermometric behaviour of LiLuF <sub>4</sub> :Tm <sup>3+</sup> ,Yb <sup>3+</sup> Open
A combination of experimental studies and kinetic modelling helps elucidate clear-cut guidelines for the use of the upconversion Tm 3+ , Yb 3+ system as a luminescent thermometer.
View article: What makes β-NaYF<sub>4</sub>:Er<sup>3+</sup>,Yb<sup>3+</sup> such a successful luminescent thermometer?
What makes β-NaYF<sub>4</sub>:Er<sup>3+</sup>,Yb<sup>3+</sup> such a successful luminescent thermometer? Open
The upconversion phosphor β-NaYF 4 :Er 3+ ,Yb 3+ is one of the primary working horse examples for ratiometric luminescent Boltzmann thermometry. But why? Theoretical arguments are used in this work to unravel that recorded success.
View article: Design principles for (efficient) excited-state absorption-based blue-to-UV upconversion phosphors with Pr <sup>3+</sup>
Design principles for (efficient) excited-state absorption-based blue-to-UV upconversion phosphors with Pr <sup>3+</sup> Open
Guidelines for efficient blue-to-UV upconversion with the lanthanoid ion Pr 3+ are established and experimentally tested. It turns out that Cs 2 NaYCl 6 :Pr 3+ is an interesting candidate for efficient upconversion by this proposed scheme.
View article: How could ratiometric thermometry with thermally activated delayed fluorescent (TADF) emitters practically work?
How could ratiometric thermometry with thermally activated delayed fluorescent (TADF) emitters practically work? Open
Luminescence thermometry with TADF emitters is only scarcely explored. In this work, photophysical conditions and recommendable read-out strategies for the application of TADF emitters in this application area will be motivated.
View article: Synthesis and optical properties of LaSrGaO4:RE3+ (RE = Sm, Eu, Ho) single crystals via optical float zone method
Synthesis and optical properties of LaSrGaO4:RE3+ (RE = Sm, Eu, Ho) single crystals via optical float zone method Open
The advancement of synthesis of materials with luminescence properties of lanthanoid ions in various single crystalline host compounds with low phonon energies has facilitated the optimization of numerous materials to meet the specific opt…
View article: Polyphosphonate covalent organic frameworks
Polyphosphonate covalent organic frameworks Open
Herein, we report polyphosphonate covalent organic frameworks (COFs) constructed via P-O-P linkages. The materials are synthesized via a single-step condensation reaction of the charge-assisted hydrogen-bonded organic framework, which is c…
View article: Unusually Large Ligand Field Splitting in Anionic Europium(III) Complexes Induced by a Small Imidazolic Counterion
Unusually Large Ligand Field Splitting in Anionic Europium(III) Complexes Induced by a Small Imidazolic Counterion Open
Luminescent trivalent lanthanide (Ln3+) complexes are compounds of technological interest due to their unique photophysical properties, particularly anionic tetrakis complexes, given their higher stability and emission quantum yields. Howe…
View article: Insights into a New Multi‐Stimuli‐Responsive Photochromic Metal‐Organic Framework: Highly Sensitive Turn‐On Luminescence in a Lanthanum Phosphonate
Insights into a New Multi‐Stimuli‐Responsive Photochromic Metal‐Organic Framework: Highly Sensitive Turn‐On Luminescence in a Lanthanum Phosphonate Open
The new microporous metal organic framework [La 2 (H 2 O) 5 (H 2 TPPE)]·3H 2 O ( CAU‐54 ), is obtained in a hydrothermal reaction of the linker 1,1,2,2‐tetrakis(4′‐phosphonophenyl)ethylene (H 8 TPPE) and La 3+ ions. The extensive character…
View article: Real Competitors to Ruby: The Triel Oxonitridoborates AlB<sub>4</sub>O<sub>6</sub>N, Al<sub>0.97</sub>Cr<sub>0.03</sub>B<sub>4</sub>O<sub>6</sub>N, and Al<sub>0.83</sub>Cr<sub>0.17</sub>B<sub>4</sub>O<sub>6</sub>N
Real Competitors to Ruby: The Triel Oxonitridoborates AlB<sub>4</sub>O<sub>6</sub>N, Al<sub>0.97</sub>Cr<sub>0.03</sub>B<sub>4</sub>O<sub>6</sub>N, and Al<sub>0.83</sub>Cr<sub>0.17</sub>B<sub>4</sub>O<sub>6</sub>N Open
AlB 4 O 6 N, Al 0.97 Cr 0.03 B 4 O 6 N, and Al 0.83 Cr 0.17 B 4 O 6 N are the first representatives of the recently established structure‐family of oxonitridoborates containing Al 3+ . These compounds are isotypic to CrB 4 O 6 N and are sy…
View article: Pyrophosphonate Covalent Organic Frameworks
Pyrophosphonate Covalent Organic Frameworks Open
Herein, we report a new family of covalent organic frameworks (COFs), namely pyrophosphonate-COFs, constructed via pyrophosphonate linkages. Pyrophosphonate-COFs can be synthesized via a single-step condensation reaction of the charge-assi…
View article: CCDC 2256228: Experimental Crystal Structure Determination
CCDC 2256228: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2256223: Experimental Crystal Structure Determination
CCDC 2256223: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …