fluorous solvent
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2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Tong Shan ◽  
Yi Zhang ◽  
Yan Wang ◽  
Ziyi Xie ◽  
Qingyun Wei ◽  
...  

Abstract After explosive growth of efficiency in organic solar cells (OSCs), achieving ideal morphology of bulk heterojunction remains crucial and challenging for advancing OSCs into consumer market. Herein, by utilizing the amphiphobic nature and temperature-dependent miscibility of fluorous solvent, hot fluorous solvent soaking method is developed to optimize the morphology with various donor/acceptor combinations including polymer/small-molecule, all-polymer and all-small-molecule systems. By immersing blend film into hot fluorous solvent which is utilized as liquid medium with better thermal conductivity, the molecular reorganization is accelerated. Furthermore, fluorous solvent can be miscible with the residue of chloroform and chloronaphthalene above upper critical solution temperature. This mixed solvent diffuses around inside the active layer and selectively promotes molecular reorganization, leading to optimized morphology. Compared to widely-used thermal annealing, this approach processed under mild conditions achieves superior photovoltaic performance, indicating the practicality and universality for morphological optimization in OSCs as well as other optoelectronic devices.


2020 ◽  
Vol 56 (70) ◽  
pp. 10183-10186
Author(s):  
Takumi Abe ◽  
Seiya Hirao ◽  
Toshiki Yamashiro

We have developed the first transition metal-, oxidant-, and fluorous solvent-free α-indolization of ketones using ammonium salts and enamines.


2018 ◽  
Vol 9 (25) ◽  
pp. 3536-3542 ◽  
Author(s):  
Yunshik Cho ◽  
Youngjin Kim ◽  
Tae-Lim Choi ◽  
Jeewoo Lim ◽  
Kookheon Char

Synthesis of fluorinated polynorbornene BCPs and swelling-induced pore generation of their films using fluorous solvent.


2017 ◽  
Vol 796 ◽  
pp. 82-87 ◽  
Author(s):  
Hajime Katano ◽  
Kohei Uematsu ◽  
Yasuhiro Kuroda ◽  
Toshiyuki Osakai

Langmuir ◽  
2016 ◽  
Vol 32 (14) ◽  
pp. 3348-3353 ◽  
Author(s):  
Youngsun Kim ◽  
Sangyoup Lee ◽  
Sehoon Kim

2015 ◽  
Vol 178 ◽  
pp. 183-186
Author(s):  
Maria Carmelita Kasuya ◽  
Katsuya Isozaki ◽  
Kazuo Miyamura ◽  
Kenichi Hatanaka

2015 ◽  
Vol 53 (10) ◽  
pp. 1252-1259 ◽  
Author(s):  
Hye-Jin Park ◽  
Heeyoung Jung ◽  
Soo-Hyun Kim ◽  
Myeongjin Park ◽  
Ji-Hoon Kim ◽  
...  
Keyword(s):  

2013 ◽  
Vol 726-731 ◽  
pp. 165-170 ◽  
Author(s):  
Wen Bin Yi ◽  
Chun Cai

The three-component Mannich-type reactions of different ketones with various aromatic aldehydes and aromatic amines proceeds efficiently in the presence of catalytic amount of perfluoroalkylated-pyridine in a fluorous biphasic system without fluorous solvent, which has prompted various concerns involving cost, solvent leaching, and environmental persistence. The reactions give various β-arylamino ketones in good to excellent yield. The catalyst can be recovered by simple cooling and precipitation and used again.


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