In situ synthesis of titanium doped hybrid metal–organic framework UiO-66 with enhanced adsorption capacity for organic dyes

2017 ◽  
Vol 4 (11) ◽  
pp. 1870-1880 ◽  
Author(s):  
Yitong Han ◽  
Min Liu ◽  
Keyan Li ◽  
Qiao Sun ◽  
Wensheng Zhang ◽  
...  

The adsorption ability of zirconium-based MOF UiO-66 for Congo red can be greatly promoted via the doping of Ti4+.

Molecules ◽  
2021 ◽  
Vol 26 (15) ◽  
pp. 4449
Author(s):  
Lijian Sun ◽  
Limei Li ◽  
Xianhui An ◽  
Xueren Qian

The development of photothermal materials with a high light-to-heat conversion capability is essential for the utilization of clean solar energy. In this work, we demonstrate the use of a novel and sustainable concept involving cellulose liquefaction, rapid gelation, in situ synthesis and hot-press drying to convert cellulose and metal–organic framework (Prussian blue) into a stable photothermal bioplastic that can harvest sunlight and convert it into mechanical motion. As expected, the obtained Prussian blue@cellulose bioplastic (PCBP) can effectively absorb sunlight and the surface can be heated up to 70.3 °C under one sun irradiation (100 mW cm−2). As a demonstration of the practicality of PCBP, it was successfully used to drive a Stirling engine motion. Meanwhile, hot-pressing promotes the densification of the structure of PCBP and, therefore, improves the resistance to the penetration of water/non-aqueous liquids. Moreover, PCBP shows good mechanical properties and thermal stability. Given the excellent photothermal performance and environmentally friendly features of photothermal conversion bioplastic, we envisage this sustainable plastic film could play important roles toward diversified applications: a photothermal layer for thermoelectric generator, agricultural films for soil mulching and photothermal antibacterial activity, among others.


2021 ◽  
Vol 10 (2) ◽  
pp. 94-98
Author(s):  
Hue Dang Thi Minh ◽  
Chau Tran Van ◽  
Giang Hoang Thi Linh ◽  
Luyen Tran Thi ◽  
Chinh Huynh Dang

Composite materials MIL-53(Fe)/Fe3O4 have been successfully synthesized on the basis of MIL-53 metal organic framework materials by hydrothermal method. Material characteristics were studied through XRD, SEM methods. The material has good adsorption capacity of the Congo Red pigment. The Congo Red adsorption activity of the composite material was investigated. The results showed that the adsorption efficiency of Congo Red of MIL-53(Fe)/Fe3O4 reached 98.89% after only 5 minutes, with the concentration of 2.227 mg/l in Congo red solution. The Congo Red adsorption process of MIL-53 (Fe)/Fe3O4 follows the Freundlich isothermal adsorption model.


Cellulose ◽  
2012 ◽  
Vol 19 (5) ◽  
pp. 1771-1779 ◽  
Author(s):  
Marcia da Silva Pinto ◽  
Cesar Augusto Sierra-Avila ◽  
Juan P. Hinestroza

2019 ◽  
Vol 58 (34) ◽  
pp. 15712-15720 ◽  
Author(s):  
Bingqiong Tan ◽  
Yanshu Luo ◽  
Xianghui Liang ◽  
Shuangfeng Wang ◽  
Xuenong Gao ◽  
...  

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