Engineering the vertical concentration distribution within the polymer:fullerene blends for high performance inverted polymer solar cells

2017 ◽  
Vol 5 (5) ◽  
pp. 2319-2327 ◽  
Author(s):  
Yaping Wang ◽  
Honglu Zhu ◽  
Zhenzhen Shi ◽  
Fuzhi Wang ◽  
Bing Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Concentration Distribution ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Donor Acceptor ◽  
Inverted Polymer Solar Cells

Optimized morphology and vertically distributed donor/acceptor concentrations are achieved simply by flushing the PTB7-Th:PC71BM blends with a selectively dissolvable 2-chlorophenol solvent.

High-Performance Inverted Polymer Solar Cells with Solution-Processed Titanium Chelate as Electron-Collecting Layer on ITO Electrode

2012 ◽  
Vol 24 (11) ◽  
pp. 1476-1481 ◽  
Author(s):  
Zhan'ao Tan ◽  
Wenqing Zhang ◽  
Zhiguo Zhang ◽  
Deping Qian ◽  
Ye Huang ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Polymer Solar Cells ◽  
Solution Processed ◽  
Ito Electrode ◽  
Inverted Polymer Solar Cells

Morphologic improvement of the PBDTTT-C and PC71BM blend film with mixed solvent for high-performance inverted polymer solar cells

2013 ◽  
Vol 24 (48) ◽  
pp. 484009 ◽  
Author(s):  
Hsin-Yi Chen ◽  
Shang-Hong Lin ◽  
Jen-Yu Sun ◽  
Chi-Hsing Hsu ◽  
Shiang Lan ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Mixed Solvent ◽  
Polymer Solar Cells ◽  
Blend Film ◽  
Inverted Polymer Solar Cells

Energy level modulation of donor–acceptor alternating random conjugated copolymers for achieving high-performance polymer solar cells

2019 ◽  
Vol 7 (48) ◽  
pp. 15335-15343 ◽  
Author(s):  
Xi Liu ◽  
Wanyuan Deng ◽  
Junyi Wang ◽  
Ruiwen Zhang ◽  
Song Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
High Performance ◽  
Chemical Structure ◽  
Polymer Solar Cells ◽  
High Performance Polymer ◽  
Donor Acceptor ◽  
Relationship Of ◽  
The Relationship ◽  
Conjugated Copolymers

Fine energy level modulation without negatively affecting other properties is realized for random conjugated copolymers, allowing rigorous investigation of the relationship of the chemical structure and device performance in solar cells.

scholarly journals Effects of the Electron-Deficient Third Components in n-Type Terpolymers on Morphology and Performance of All-Polymer Solar Cells

2020 ◽  
Vol 02 (03) ◽  
pp. 214-222
Author(s):  
Bin Liu ◽  
Huiliang Sun ◽  
Chang Woo Koh ◽  
Mengyao Su ◽  
Bao Tu ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Noncovalent Interactions ◽  
Polymer Solar Cells ◽  
Energy Levels ◽  
Building Blocks ◽  
The Third ◽  
Donor Acceptor ◽  
And Performance ◽  
P Type

Compared with p-type terpolymers, less effort has been devoted to n-type analogs. Herein, we synthesized a series of n-type terpolymers via incorporating three electron-deficient third components including thienopyrroledione (TPD), phthalimide, and benzothiadiazole into an imide-functionalized parent n-type copolymer to tune optoelectronic properties without sacrificing the n-type characteristics. Due to effects of the third components with different electron-accepting ability and solubility, the resulting three polymers feature distinct energy levels and crystallinity. In addition, heteroatoms (S, O, and N) attached on the third components trigger intramolecular noncovalent interactions, which can increase molecule planarity and have a significant effect on the packing structures of the polymer films. As a result, the best power conversion efficiency of 8.28% was achieved from all-polymer solar cells (all-PSCs) based on n-type terpolymer containing TPD. This is contributed by promoted electron mobility and face-on polymer packing, showing the pronounced advantages of the TPD used as a third component for thriving efficient n-type terpolymers. The generality is also successfully validated in a benchmark polymer donor/acceptor system by introducing TPD into the benchmark n-type polymer N2200. The results demonstrate the feasibility of introducing suitable electron-deficient building blocks as the third components for high-performance n-type terpolymers toward efficient all-PSCs.

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