Organic solar cells based on bowl-shaped small-molecules

RSC Advances ◽  
2015 ◽  
Vol 5 (40) ◽  
pp. 31541-31546 ◽  
Author(s):  
Agustín Molina-Ontoria ◽  
María Gallego ◽  
Luís Echegoyen ◽  
Emilio M. Pérez ◽  
Nazario Martín
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Supramolecular Complex ◽  
Electron Donors

A supramolecular approach involving bowl-shape molecules as electron donors has been used for the preparation of small-molecule solar cells. The PCE values depend directly on the formation of the supramolecular complex.

D–A–D–π–D–A–D type diketopyrrolopyrrole based small molecule electron donors for bulk heterojunction organic solar cells

2016 ◽  
Vol 18 (25) ◽  
pp. 16950-16957 ◽  
Author(s):  
Yuvraj Patil ◽  
Rajneesh Misra ◽  
Abhishek Sharma ◽  
Ganesh D. Sharma
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Electron Donors

Two organic small molecules based on diketopyrrolopyrrole (DPP) units having a D–A–D–π–D–A–D structure denoted as DPP-DPP and DPPTDPP were synthesized.

Molecular electron acceptors for efficient fullerene-free organic solar cells

2017 ◽  
Vol 19 (5) ◽  
pp. 3440-3458 ◽  
Author(s):  
Shuixing Li ◽  
Zhongqiang Zhang ◽  
Minmin Shi ◽  
Chang-Zhi Li ◽  
Hongzheng Chen
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Wide Bandgap ◽  
Electron Acceptors ◽  
Electron Donors ◽  
Molecular Electron ◽  
Narrow Bandgap

Small molecule electron acceptors pairing with wide bandgap or narrow bandgap electron donors are reviewed and discussed for fullerene-free organic solar cells.

scholarly journals A “roller-wheel” Pt-containing small molecule that outperforms its polymer analogs in organic solar cells

2016 ◽  
Vol 7 (9) ◽  
pp. 5798-5804 ◽  
Author(s):  
Wenhan He ◽  
Maksim Y. Livshits ◽  
Diane A. Dickie ◽  
Jianzhong Yang ◽  
Rachel Quinnett ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Organic Solar Cell ◽  
Enhanced Crystallinity

“Roller-wheel” shaped Pt-containing molecules display enhanced crystallinity and are better performing organic solar cell materials than conventional small molecules and polymers featuring “dumbbell” shaped structures.

Highly efficient halogen-free solvent processed small-molecule organic solar cells enabled by material design and device engineering

2017 ◽  
Vol 10 (8) ◽  
pp. 1739-1745 ◽  
Author(s):  
Jiahui Wan ◽  
Xiaopeng Xu ◽  
Guangjun Zhang ◽  
Ying Li ◽  
Kui Feng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Loss ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Material Design ◽  
Small Energy ◽  
Highly Efficient ◽  
Device Engineering ◽  
Halogen Free

Naphtho[1,2-c:5,6-c']bis[1,2,5]thiadiazole-based small molecules have been synthesized for organic solar cells. The optimized devices processed by a halogen-free solvent of CS2 exhibited a PCE of 11.53% with a small energy loss of 0.57 eV.

Terminal moiety-driven electrical performance of asymmetric small-molecule-based organic solar cells

2016 ◽  
Vol 4 (40) ◽  
pp. 15688-15697 ◽  
Author(s):  
Jianhua Huang ◽  
Shanlin Zhang ◽  
Bo Jiang ◽  
Yuxia Chen ◽  
Xinliang Zhang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Electrical Performance ◽  
Alternative Choice

With respect to the successes from symmetric small molecules, asymmetric ones have recently emerged as an alternative choice.

Strategic end-halogenation of π-conjugated small molecules enabling fine morphological control and enhanced performance of organic solar cells

2019 ◽  
Vol 7 (24) ◽  
pp. 14806-14815 ◽  
Author(s):  
Seiichi Furukawa ◽  
Takuma Yasuda
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Morphological Properties ◽  
Morphological Control

A novel family of photovoltaic small-molecule donors having the same conjugated backbone but different terminal halogen groups (F, Cl, Br, and I) are developed, and the impacts of end-halogenation on the photovoltaic and morphological properties are systematically investigated.

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.

Cyclopentadithiophene organic core in small molecule organic solar cells: morphological control of carrier recombination

2017 ◽  
Vol 19 (5) ◽  
pp. 3640-3648 ◽  
Author(s):  
Rocío Domínguez ◽  
Núria F. Montcada ◽  
Pilar de la Cruz ◽  
Emilio Palomares ◽  
Fernando Langa
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Electron Donor ◽  
Electron Acceptor ◽  
Organic Solar Cells ◽  
Solution Processed ◽  
Morphological Control ◽  
Carrier Recombination

Two new planar and symmetrical A–D–A (electron acceptor–electron donor–electron acceptor) small molecules based on a commercial cyclopentadithiophene derivative have been synthesized for solution processed small molecule organic solar cells.

Sign in / Sign up

Export Citation Format

Share Document