Keyword search (4,163 papers available)

"Zhang H" Authored Publications:

Title Authors PubMed ID
1 Unraveling the resuspension and transformation of stranded oil: Mechanisms driving oil-particle aggregate formation in intertidal zones Yang X; Bi H; Huang G; Zhang H; Lyu L; An C; 40544777
ENCS
2 Semantically-Enhanced Feature Extraction with CLIP and Transformer Networks for Driver Fatigue Detection Gao Z; Chen X; Xu J; Yu R; Zhang H; Yang J; 39771685
ENCS
3 Reduction of Cr(VI) by Bacillus toyonensis LBA36 and its effect on radish seedlings under Cr(VI) stress Tan A; Wang H; Zhang H; Zhang L; Yao H; Chen Z; 39346031
ENCS
4 Inoculation of chromium-tolerant bacterium LBA108 to enhance resistance in radish (Raphanus sativus L.) and combined remediation of chromium-contaminated soil Zhang H; Wang H; Tan A; Zhang L; Yao H; You X; Chen Z; 38721825
ENCS
5 Cooperative Sensitization Upconversion in Solution Dispersions of Co-Crystal Assemblies of Mononuclear Yb3+ and Eu3+ Complexes Sun G; Xie Y; Wang Y; Mandl GA; Maurizio SL; Zhang H; Ottenwaelder X; Capobianco JA; Sun L; 37040148
CNSR
6 Multi-label classification for biomedical literature: an overview of the BioCreative VII LitCovid Track for COVID-19 literature topic annotations Chen Q; Allot A; Leaman R; Islamaj R; Du J; Fang L; Wang K; Xu S; Zhang Y; Bagherzadeh P; Bergler S; Bhatnagar A; Bhavsar N; Chang YC; Lin SJ; Tang W; Zhang H; Tavchioski I; Pollak S; Tian S; Zhang J; Otmakhova Y; Yepes AJ; Dong H; Wu H; Dufour R; Labrak Y; Chatterjee N; Tandon K; Laleye FAA; Rakotoson L; Chersoni E; Gu J; Friedrich A; Pujari SC; Chizhikova M; Sivadasan N; Vg S; Lu Z; 36043400
ENCS

 

Title:Cooperative Sensitization Upconversion in Solution Dispersions of Co-Crystal Assemblies of Mononuclear Yb3+ and Eu3+ Complexes
Authors:Sun GXie YWang YMandl GAMaurizio SLZhang HOttenwaelder XCapobianco JASun L
Link:https://pubmed.ncbi.nlm.nih.gov/37040148/
DOI:10.1002/anie.202304591
Publication:Angewandte Chemie (International ed. in English)
Keywords:Co-CrystalCooperative Sensitization UpconversionDown-Shifting LuminescenceLanthanide ComplexMolecular Upconversion Luminescence
PMID:37040148 Category: Date Added:2023-05-04
Dept Affiliation: CNSR
1 School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, China.
2 Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China.
3 Department of Chemistry and Biochemistry and Centre for NanoScience Research, Concordia University, Montreal, QC H4B 1R6, Canada.
4 State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China.

Description:

Lanthanide upconversion luminescence in nanoparticles has prompted continuous breakthroughs in information storage, temperature sensing, and biomedical applications, among others. Achieving upconversion luminescence at the molecular scale is still a critical challenge in modern chemistry. In this work, we explored the upconversion luminescence of solution dispersions of co-crystals composed of discrete mononuclear Yb(DBM)3 Bpy and Eu(DBM)3 Bpy complexes (DBM: dibenzoylmethane, Bpy: 2,2'-bipyridine). The 613 nm emission of Eu3+ was observed under excitation of Yb3+ at 980 nm. From the series of molecular assemblies studied, the most intense luminescence was obtained for a 1 : 1 molar ratio of Yb3+ : Eu3+ , resulting in a high quantum yield of 0.67 % at 2.1 W cm-2 . The structure and energy transfer mechanism of the assemblies were fully characterized. This is the first example of an Eu3+ -based upconverting system composed of two discrete mononuclear lanthanide complexes present as co-crystals in non-deuterated solution.





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