Temperature dependent quantum cutting in cubic BaGdF5:Eu3+ nanophosphors

2021 ◽  
Author(s):  
Yogendra Nath Chouryal ◽  
Rahul Kumar Sharma ◽  
Konstantin V. Ivanovskikh ◽  
Aleksey V. Ishchenko ◽  
Qiufeng Shi ◽  
...  

A task-specific ionic liquid (IL) is employed as a structure directing agent for the synthesis of quantum cutting BaGdF5:Eu3+ nanophosphors.

Membranes ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 588
Author(s):  
Eiji Kamio ◽  
Hiroki Kurisu ◽  
Tomoki Takahashi ◽  
Atsushi Matsuoka ◽  
Tomohisa Yoshioka ◽  
...  

Forward osmosis (FO) membrane process is expected to realize energy-saving seawater desalination. To this end, energy-saving water recovery from a draw solution (DS) and effective DS regeneration are essential. Recently, thermo-responsive DSs have been developed to realize energy-saving water recovery and DS regeneration. We previously reported that high-temperature reverse osmosis (RO) treatment was effective in recovering water from a thermo-responsive ionic liquid (IL)-based DS. In this study, to confirm the advantages of the high-temperature RO operation, thermo-sensitive IL-based DS was treated by an RO membrane at temperatures higher than the lower critical solution temperature (LCST) of the DS. Tetrabutylammonium 2,4,6-trimethylbenznenesulfonate ([N4444][TMBS]) with an LCST of 58 °C was used as the DS. The high-temperature RO treatment was conducted at 60 °C above the LCST using the [N4444][TMBS]-based DS-lean phase after phase separation. Because the [N4444][TMBS]-based DS has a significantly temperature-dependent osmotic pressure, the DS-lean phase can be concentrated to an osmotic pressure higher than that of seawater at room temperature (20 °C). In addition, water can be effectively recovered from the DS-lean phase until the DS concentration increased to 40 wt%, and the final DS concentration reached 70 wt%. From the results, the advantages of RO treatment of the thermo-responsive DS at temperatures higher than the LCST were confirmed.


RSC Advances ◽  
2014 ◽  
Vol 4 (91) ◽  
pp. 49647-49654 ◽  
Author(s):  
Haimeng Wen ◽  
Yu Zhou ◽  
Jingyan Xie ◽  
Zhouyang Long ◽  
Wei Zhang ◽  
...  

Rapid synthesis of pure-silica ZSM-22 was achieved through dry-gel conversion process by using ionic liquid as the structure directing agent.


2019 ◽  
Vol 12 (8) ◽  
pp. 2098-2103 ◽  
Author(s):  
Eshagh Rezaee Nezhad ◽  
Sami Sajjadifar ◽  
Fariba Heidarizadeh ◽  
Saaid Karimian

2020 ◽  
Author(s):  
Jiaji Guo ◽  
Zachary D. Tucker ◽  
Yu Wang ◽  
Brandon L. Ashfeld ◽  
Tengfei Luo

Seawater desalination plays a critical role in addressing the global water shortage challenge, and directional solvent extraction (DSE) is an emerging desalination technology to address this challenge. Herein, we demonstrate that through a combination of target-directed synthesis and computational simulations, task-specific ionic liquids (ILs) may significantly advance current DSE technology by improving the energy efficiency toward impacting the global water-energy nexus.


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