scholarly journals The effect of branched versus linear alkyl side chains on the bulk heterojunction photovoltaic performance of small molecules containing both benzodithiophene and thienopyrroledione

2014 ◽  
Vol 16 (37) ◽  
pp. 19874-19883 ◽  
Author(s):  
Yu Jin Kim ◽  
Kwang Hun Park ◽  
Jong-jin Ha ◽  
Dae Sung Chung ◽  
Yun-Hi Kim ◽  
...  
Keyword(s):  
Small Molecules ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Light Absorption ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Photovoltaic Performance ◽  
Side Chains ◽  
Higher Power ◽  
Alkyl Side Chains

Compared toBDTO-TTPD,BDTEH-TTPDshowed stronger light absorption and longer-range ordering, which results in higher power conversion efficiency.

Effect of the π-linker on the performance of organic photovoltaic devices based on push–pull D–π–A molecules

2018 ◽  
Vol 42 (14) ◽  
pp. 11458-11464 ◽  
Author(s):  
Hong Chul Lim ◽  
Jang-Joo Kim ◽  
Jyongsik Jang ◽  
Jong-In Hong
Keyword(s):  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Organic Photovoltaic ◽  
Photovoltaic Devices ◽  
Organic Photovoltaic Devices ◽  
Higher Power

The bulk heterojunction organic photovoltaic (OPV) devices based on 3T : PC71BM (2 wt%, 1 : 1.75 w/w) exhibited a higher power conversion efficiency of 2.58% than DTT-based OPV devices.

Solution-processed new porphyrin-based small molecules as electron donors for highly efficient organic photovoltaics

2015 ◽  
Vol 51 (77) ◽  
pp. 14439-14442 ◽  
Author(s):  
Song Chen ◽  
Liangang Xiao ◽  
Xunjin Zhu ◽  
Xiaobing Peng ◽  
Wai-Kwok Wong ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Photovoltaics ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Electron Donors ◽  
Solution Processed

A series of new A–D–A structural 5,15-dialkylated porphyrin-cored small molecules have been developed as donors in bulk heterojunction organic solar cells, and the highest power conversion efficiency of 6.49% has been achieved.

Bulk heterojunction organic solar cells based on carbazole–BODIPY conjugate small molecules as donors with high open circuit voltage

2015 ◽  
Vol 17 (40) ◽  
pp. 26580-26588 ◽  
Author(s):  
Thaksen Jadhav ◽  
Rajneesh Misra ◽  
S. Biswas ◽  
Ganesh D. Sharma
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Power Conversion Efficiency ◽  
Active Layer ◽  
Conversion Efficiency ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Open Circuit

The power conversion efficiency of an optimized3a:PC71BM active layer based device is 5.05%.

Facile preparation of small molecules for bulk heterojunction solar cells

RSC Advances ◽  
2016 ◽  
Vol 6 (64) ◽  
pp. 59218-59225 ◽  
Author(s):  
Huadong Huang ◽  
Liangang Xiao ◽  
Binglin Yang ◽  
Tianqi Lai ◽  
Lin Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cells ◽  
Facile Preparation ◽  
Solution Processable

Facile preparation of solution-processable small molecules with only two step reactions for bulk heterojunction solar cells, exhibiting a power conversion efficiency as high as 4.64%.

Tuning the central fused ring and terminal units to improve the photovoltaic performance of Ar(A–D)2 type small molecules in solution-processed organic solar cells

2016 ◽  
Vol 4 (13) ◽  
pp. 4952-4961 ◽  
Author(s):  
Jianhua Chen ◽  
Linrui Duan ◽  
Manjun Xiao ◽  
Qiong Wang ◽  
Bin Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Solar Cells ◽  
Power Conversion ◽  
Photovoltaic Performance ◽  
Solution Processed ◽  
Fused Ring ◽  
Terminal Units

A series of Ar(A–D)2 type small molecules containing a pyrene core were synthesized. A significantly improved power conversion efficiency of 5.88% was obtained for ThDPP2Py based organic solar cells.

Pyridine-functionalized fullerene additive enabling coordination interactions with CH3NH3PbI3 perovskite towards highly efficient bulk heterojunction solar cells

2019 ◽  
Vol 7 (6) ◽  
pp. 2754-2763 ◽  
Author(s):  
Jieming Zhen ◽  
Weiran Zhou ◽  
Muqing Chen ◽  
Bairu Li ◽  
Lingbo Jia ◽  
...  
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Fullerene Derivative ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cells ◽  
Highly Efficient

A novel pyridine-functionalized fullerene derivative (C60-PyP) as an additive in regular bulk heterojunction perovskite (CH3NH3Pbl3) solar cells (PSCs) enables a power conversion efficiency of 19.82% with markedly suppressed hysteresis.

Scattering Techniques for Mixed Donor-Acceptor Characterization in Organic Photovoltaics

2021 ◽  
Author(s):  
Thomas Chaney ◽  
Andrew Levin ◽  
Sebastian Schneider ◽  
Michael F. Toney
Keyword(s):  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Organic Photovoltaics ◽  
Bulk Heterojunction ◽  
Power Conversion ◽  
Organic Photovoltaic ◽  
Precise Control ◽  
Active Layers ◽  
Complex Morphology ◽  
Donor Acceptor

Precise control of the complex morphology of organic photovoltaic bulk heterojunction (BHJ) active layers remains an important yet challenging approach for improving power conversion efficiency. Of particular interest are the...

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