Dextran based highly conductive hydrogel polysulfide electrolyte for efficient quasi-solid-state quantum dot-sensitized solar cells

2013 ◽  
Vol 92 ◽  
pp. 117-123 ◽  
Author(s):  
Hong-Yan Chen ◽  
Ling Lin ◽  
Xiao-Yun Yu ◽  
Kang-Qiang Qiu ◽  
Xian-Yong Lü ◽  
...  
2017 ◽  
Vol 9 (47) ◽  
pp. 41104-41110 ◽  
Author(s):  
Jin Hyuck Heo ◽  
Min Hyuk Jang ◽  
Min Ho Lee ◽  
Dong Hee Shin ◽  
Do Hun Kim ◽  
...  

2017 ◽  
Vol 5 (26) ◽  
pp. 13526-13534 ◽  
Author(s):  
Ruijuan Dang ◽  
Yefeng Wang ◽  
Jinghui Zeng ◽  
Zhangjun Huang ◽  
Zhaofu Fei ◽  
...  

A novel solid-state electrolyte based on 1,3-dihexylbenzimidazolium ([DHexBIm]) cations combined with Br−, BF4− or SCN− anions is used in CdS/CdSe sensitized quantum dot sensitized solar cells (QDSSCs).


2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
H. K. Jun ◽  
M. A. Careem ◽  
A. K. Arof

A polysulfide liquid electrolyte is developed for the application in CdSe quantum dot-sensitized solar cells (QDSSCs). A solvent consisting of ethanol and water in the ratio of 8 : 2 by volume has been found as the optimum solvent for preparing the liquid electrolytes. This solvent ratio appears to give higher cell efficiency compared to pure ethanol or water as a solvent. Na2S and S give rise to a good redox couple in the electrolyte for QDSSC operation, and the optimum concentrations required are 0.5 M and 0.1 M, respectively. Addition of guanidine thiocyanate (GuSCN) to the electrolyte further enhances the performance. The QDSSC with CdSe sensitized electrode prepared using 7 cycles of successive ionic layer adsorption and reaction (SILAR) produces an efficiency of 1.41% with a fill factor of 44% on using a polysulfide electrolyte of 0.5 M Na2S, 0.1 M S, and 0.05 M GuSCN in ethanol/water (8 : 2 by volume) under the illumination of 100 mW/cm2white light. Inclusion of small amount of TiO2nanoparticles into the electrolyte helps to stabilize the polysulfide electrolyte and thereby improve the stability of the CdSe QDSSC. The CdSe QDs are also found to be stable in the optimized polysulfide liquid electrolyte.


2016 ◽  
Vol 4 (37) ◽  
pp. 14194-14203 ◽  
Author(s):  
Huiyun Wei ◽  
Guoshuai Wang ◽  
Jiangjian Shi ◽  
Huijue Wu ◽  
Yanhong Luo ◽  
...  

Fumed SiO2 nanoparticles have been used as a polysulfide electrolyte additive for improving the performance of CdSexTe1−x QDSCs.


2011 ◽  
Vol 21 (43) ◽  
pp. 17534 ◽  
Author(s):  
Ching-Fa Chi ◽  
Peter Chen ◽  
Yuh-Lang Lee ◽  
I-Ping Liu ◽  
Shih-Chuan Chou ◽  
...  

2017 ◽  
Vol 43 (13) ◽  
pp. 10052-10056 ◽  
Author(s):  
Zhengguo Zhang ◽  
Chengwu Shi ◽  
Guannan Xiao ◽  
Kai Lv ◽  
Chengfeng Ma ◽  
...  

2020 ◽  
Vol 44 (2) ◽  
pp. 505-512 ◽  
Author(s):  
Xiaoli Mao ◽  
Jianguo Yu ◽  
Jun Xu ◽  
Juntian Zhou ◽  
Cheng Luo ◽  
...  

The synchronous deposition of PbS and CdS affords band-structure tailoring and surface recombination passivation for efficient and stable solid-state QDSCs.


ACS Nano ◽  
2011 ◽  
Vol 5 (2) ◽  
pp. 1495-1504 ◽  
Author(s):  
Pendar Ardalan ◽  
Thomas P. Brennan ◽  
Han-Bo-Ram Lee ◽  
Jonathan R. Bakke ◽  
I-Kang Ding ◽  
...  

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