Chiral discrimination and enantiomeric composition analysis of quinine and quinidine based on paper substrate room temperature phosphorescence

2012 ◽  
Vol 4 (12) ◽  
pp. 3928
Author(s):  
Guojie Qin ◽  
Yanli Wei ◽  
Hui Kang ◽  
Chuan Dong
Keyword(s):  
Room Temperature ◽  
Chiral Discrimination ◽  
Enantiomeric Composition ◽  
Composition Analysis ◽  
Room Temperature Phosphorescence ◽  
Paper Substrate

Characterization of room temperature phosphorescence of propranolol and the chiral discrimination between R- and S-isomers

The Analyst ◽  
2011 ◽  
Vol 136 (2) ◽  
pp. 299-303 ◽  
Author(s):  
Yanli Wei ◽  
Yanfang Ren ◽  
Jun Li ◽  
Shaomin Shuang ◽  
Chuan Dong
Keyword(s):  
Room Temperature ◽  
Chiral Discrimination ◽  
Room Temperature Phosphorescence

DNA Inspirited Rational Construction of Nonconventional Luminophores with Efficient and Color-Tunable Afterglow

2020 ◽  
Author(s):  
Yunzhong Wang ◽  
Saixing Tang ◽  
Yating Wen ◽  
Shuyuan Zheng ◽  
Bing Yang ◽  
...  
Keyword(s):  
Rational Design ◽  
Room Temperature ◽  
Double Helix ◽  
Mechanical Grinding ◽  
Room Temperature Phosphorescence ◽  
Color Tunable ◽  
Potential Applications ◽  
Rational Construction ◽  
Double Helix Structure ◽  
Made In

<div>Persistent room-temperature phosphorescence (p-RTP) from pure organics is attractive </div><div>due to its fundamental importance and potential applications in molecular imaging, </div><div>sensing, encryption, anticounterfeiting, etc.1-4 Recently, efforts have been also made in </div><div>obtaining color-tunable p-RTP in aromatic phosphors5 and nonconjugated polymers6,7. </div><div>The origin of color-tunable p-RTP and the rational design of such luminogens, </div><div>particularly those with explicit structure and molecular packing, remain challenging. </div><div>Noteworthily, nonconventional luminophores without significant conjugations generally </div><div>possess excitation-dependent photoluminescence (PL) because of the coexistence of </div><div>diverse clustered chromophores6,8, which strongly implicates the possibility to achieve </div><div>color-tunable p-RTP from their molecular crystals assisted by effective intermolecular </div><div>interactions. Here, inspirited by the highly stable double-helix structure and multiple </div><div>hydrogen bonds in DNA, we reported a series of nonconventional luminophores based on </div><div>hydantoin (HA), which demonstrate excitation-dependent PL and color-tunable p-RTP </div><div>from sky-blue to yellowish-green, accompanying unprecedentedly high PL and p-RTP </div><div>efficiencies of up to 87.5% and 21.8%, respectively. Meanwhile, the p-RTP emissions are </div><div>resistant to vigorous mechanical grinding, with lifetimes of up to 1.74 s. Such robust, </div><div>color-tunable and highly efficient p-RTP render the luminophores promising for varying </div><div>applications. These findings provide mechanism insights into the origin of color-tunable </div><div>p-RTP, and surely advance the exploitation of efficient nonconventional luminophores.</div>

Sign in / Sign up

Export Citation Format

Share Document