scholarly journals Solution-processed boron subphthalocyanine derivatives as acceptors for organic bulk-heterojunction solar cells

2015 ◽  
Vol 3 (14) ◽  
pp. 7345-7352 ◽  
Author(s):  
Bernd Ebenhoch ◽  
Nor B. A. Prasetya ◽  
Vincent M. Rotello ◽  
Graeme Cooke ◽  
Ifor D. W. Samuel
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Light Harvesting ◽  
Bulk Heterojunction ◽  
Visible Region ◽  
Strong Light ◽  
Solution Processed ◽  
Heterojunction Solar Cells ◽  
Present Solution ◽  
Boron Subphthalocyanine

We present solution-processed organic solar cells based on subphthalocyanine acceptors with strong light harvesting in the visible region and an efficiency up to 3.5%.

scholarly journals Optimization of solution-processed oligothiophene:fullerene based organic solar cells by using solvent additives

2013 ◽  
Vol 4 ◽  
pp. 680-689 ◽  
Author(s):  
Gisela L Schulz ◽  
Marta Urdanpilleta ◽  
Roland Fitzner ◽  
Eduard Brier ◽  
Elena Mena-Osteritz ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Solution Processed ◽  
Heterojunction Solar Cells ◽  
Force Microscopy ◽  
Vacuum Technology ◽  
Atomic Force ◽  
Donor And Acceptor ◽  
Conversion Efficiencies

The optimization of solution-processed organic bulk-heterojunction solar cells with the acceptor-substituted quinquethiophene DCV5T-Bu 4 as donor in conjunction with PC61BM as acceptor is described. Power conversion efficiencies up to 3.0% and external quantum efficiencies up to 40% were obtained through the use of 1-chloronaphthalene as solvent additive in the fabrication of the photovoltaic devices. Furthermore, atomic force microscopy investigations of the photoactive layer gave insight into the distribution of donor and acceptor within the blend. The unique combination of solubility and thermal stability of DCV5T-Bu 4 also allows for fabrication of organic solar cells by vacuum deposition. Thus, we were able to perform a rare comparison of the device characteristics of the solution-processed DCV5T-Bu 4 :PC61BM solar cell with its vacuum-processed DCV5T-Bu 4 :C60 counterpart. Interestingly in this case, the efficiencies of the small-molecule organic solar cells prepared by using solution techniques are approaching those fabricated by using vacuum technology. This result is significant as vacuum-processed devices typically display much better performances in photovoltaic cells.

Solution processable star-shaped molecules with a triazine core and branching thienylenevinylenes for bulk heterojunction solar cells

RSC Advances ◽  
2014 ◽  
Vol 4 (89) ◽  
pp. 48150-48162 ◽  
Author(s):  
Chien-Yi Huang ◽  
Wan-Hua Lee ◽  
Rong-Ho Lee
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Solution Processed ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cells ◽  
Solution Processable ◽  
End Group

Two new star-shaped A–π–D molecules with triazine as a core and an acceptor unit, thienylenevinylene as the π bridge, and tert-butyl-substituted triphenylamine (tTPA)- or carbazole (tCz) as the end group and donor units of TTVTPA and TTVCz were synthesized for their application as donor materials in solution processed bulk heterojunction organic solar cells (OSCs).

scholarly journals A spiro-bifluorene based 3D electron acceptor with dicyanovinylene substitution for solution-processed non-fullerene organic solar cells

2015 ◽  
Vol 3 (20) ◽  
pp. 11086-11092 ◽  
Author(s):  
Debin Xia ◽  
Dominik Gehrig ◽  
Xin Guo ◽  
Martin Baumgarten ◽  
Frédéric Laquai ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Acceptor ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Solution Processed ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cells ◽  
3D Electron

A 3D acceptor for bulk heterojunction solar cells.

A bacteriochlorin-diketopyrrolopyrrole triad as a donor for solution-processed bulk heterojunction organic solar cells

2019 ◽  
Vol 7 (31) ◽  
pp. 9655-9664 ◽  
Author(s):  
Flavien Ponsot ◽  
Léo Bucher ◽  
Nicolas Desbois ◽  
Yoann Rousselin ◽  
Pritam Mondal ◽  
...  
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Electronic System ◽  
Wide Bandgap ◽  
Solution Processed ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cells

A bacteriochlorin-diketopyrrolopyrrole triad formally defined as an A–π–D–π–A electronic system is used as an efficient donor for bulk heterojunction solar cells, alone or combined to a diethynylpyrrole-based wide-bandgap small molecule donor.

Small molecule based N-phenyl carbazole substituted diketopyrrolopyrroles as donors for solution-processed bulk heterojunction organic solar cells

2016 ◽  
Vol 18 (33) ◽  
pp. 22999-23005 ◽  
Author(s):  
Yuvraj Patil ◽  
Rajneesh Misra ◽  
F. C. Chen ◽  
Ganesh D. Sharma
Keyword(s):  
Solar Cells ◽  
Small Molecules ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Solution Processed ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cells ◽  
Homo Lumo

We report two acetylene-bridged small molecules DPP5 and DPP6 with low HOMO–LUMO gaps as donors along with PC71BM as an acceptor for the fabrication of solution-processed bulk heterojunction solar cells.

Ag Doped Zinc Tin Oxide as Cathode for Organic Photovoltaic Cells

2012 ◽  
Vol 209-211 ◽  
pp. 1719-1722
Author(s):  
Ming Guo Zhang ◽  
Nan Hai Sun
Keyword(s):  
Solar Cells ◽  
Tin Oxide ◽  
Organic Solar Cells ◽  
Indium Tin Oxide ◽  
Bulk Heterojunction ◽  
Indium Tin Oxide Electrode ◽  
Heterojunction Solar Cells ◽  
Visible Part ◽  
Cell Architecture ◽  
Zinc Tin Oxide

A thin Ag layer embedded between layers of zinc tin oxide (ZTO) are compared to cells using an indium tin oxide electrode was investigated for inverted organic bulk heterojunction solar cells employing a multilayer electrode. ZTO/Ag/ ZTO (ZAZ) electrode is the preparation at room temperature, a high transparency in the visible part of the spectrum, and a very low sheet resistance comparable to treated ITO without the need for any thermal post deposition treatment as it is necessary for ITO. The In-free ZAZ electrodes exhibit a favorable work function of 4.3 eV and are shown to allow for excellent electron extraction even without a further interlayer. This renders ZAZ a perfectly suited bottom electrode for inverted organic solar cells with simplified cell architecture.

Solution-processed benzotrithiophene-based donor molecules for efficient bulk heterojunction solar cells

2013 ◽  
Vol 1 (26) ◽  
pp. 7767 ◽  
Author(s):  
Dhananjaya Patra ◽  
Chao-Cheng Chiang ◽  
Wei-An Chen ◽  
Kung-Hwa Wei ◽  
Meng-Chyi Wu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Bulk Heterojunction ◽  
Solution Processed ◽  
Heterojunction Solar Cells ◽  
Bulk Heterojunction Solar Cells

Furan-bridged thiazolo [5,4-d]thiazole based D–π–A–π–D type linear chromophore for solution-processed bulk-heterojunction organic solar cells

RSC Advances ◽  
2015 ◽  
Vol 5 (9) ◽  
pp. 6286-6293 ◽  
Author(s):  
M. Nazim ◽  
Sadia Ameen ◽  
M. Shaheer Akhtar ◽  
Hyung-Kee Seo ◽  
Hyung-Shik Shin
Keyword(s):  
Solar Cells ◽  
Small Molecule ◽  
Organic Solar Cells ◽  
Bulk Heterojunction ◽  
Solution Processed ◽  
Organic Chromophore

Novel furan-bridged thiazolo[5,4-d]thiazole based π-conjugated organic chromophore (RFTzR) was formulated and utilized for the fabrication of solution-processed small molecule organic solar cells (SMOSCs).

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