Engineering diketopyrrolopyrrole sensitizers for highly efficient dye-sensitized solar cells: enhanced light harvesting and intramolecular charge transfer

RSC Advances ◽  
2014 ◽  
Vol 4 (33) ◽  
pp. 16906-16912 ◽  
Author(s):  
Jin-Hua Huang ◽  
Ke-Jian Jiang ◽  
Fang Zhang ◽  
Wei Wu ◽  
Shao-Gang Li ◽  
...  
Keyword(s):  
Solar Cells ◽  
Charge Transfer ◽  
Light Harvesting ◽  
Intramolecular Charge Transfer ◽  
Dye Sensitized Solar Cells ◽  
Cyanoacetic Acid ◽  
Dye Sensitized ◽  
Highly Efficient ◽  
Sensitized Solar Cells

Two asymmetric DPP dyes with a D–π–A structure are reported, where DPP is used as a bridge to connect the triphenylamine donor and cyanoacetic acid acceptor.

A combined experimental and computational investigation on pyrene based D–π–A dyes

2018 ◽  
Vol 20 (9) ◽  
pp. 6264-6273 ◽  
Author(s):  
Themmila Khamrang ◽  
Marappan Velusamy ◽  
Madhavan Jaccob ◽  
Mohan Ramesh ◽  
Murugavel Kathiresan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Charge Transfer ◽  
Light Harvesting ◽  
Intramolecular Charge Transfer ◽  
Dye Sensitized Solar Cells ◽  
Computational Investigation ◽  
Photovoltaic Properties ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

The geometry (twist vs. planar) of a dye is one of the most pivotal factors for determining intramolecular charge transfer (ICT), light harvesting and photovoltaic properties of dye-sensitized solar cells.

TiO2nanoparticulate-wire hybrids for highly efficient solid-state dye-sensitized solar cells using SSP-PEDOTs

RSC Advances ◽  
2014 ◽  
Vol 4 (84) ◽  
pp. 44555-44562 ◽  
Author(s):  
Jongbeom Na ◽  
Jeonghun Kim ◽  
Chihyun Park ◽  
Eunkyoung Kim
Keyword(s):  
Solar Cells ◽  
Solid State ◽  
Light Harvesting ◽  
Collection Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Charge Collection ◽  
Charge Collection Efficiency ◽  
Dye Sensitized ◽  
Highly Efficient ◽  
Sensitized Solar Cells

TiO2photoanodes for I2-free solid-state dye-sensitized solar cells (ssDSSCs) were prepared from multifunctional new TiO2nanostructures to enhance light harvesting and charge collection efficiency in ssDSSCs using poly(3,4-ethylenedioxythiophene)s (PEDOTs).

Theoretical investigation of the charge-transfer properties in different meso-linked zinc porphyrins for highly efficient dye-sensitized solar cells

2014 ◽  
Vol 43 (24) ◽  
pp. 9166-9176 ◽  
Author(s):  
Supawadee Namuangruk ◽  
Kanokkorn Sirithip ◽  
Rattanawelee Rattanatwan ◽  
Tinnagon Keawin ◽  
Nawee Kungwan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Charge Transfer ◽  
Theoretical Investigation ◽  
Intramolecular Charge Transfer ◽  
Dye Sensitized Solar Cells ◽  
Zinc Porphyrin ◽  
Dye Sensitized ◽  
Anchoring Group ◽  
Sensitized Solar Cells ◽  
Transfer Properties

In an attempt to improve the photoinduced intramolecular-charge transfer ability of a meso-linked zinc porphyrin by introducing CN to the anchoring group.

Porphyrins as Potential Sensitizers for Dye-Sensitized Solar Cells

2010 ◽  
Vol 451 ◽  
pp. 29-40 ◽  
Author(s):  
Hiroshi Imahori
Keyword(s):  
Solar Cells ◽  
Near Infrared ◽  
Light Harvesting ◽  
Dye Sensitized Solar Cells ◽  
Soret Band ◽  
Cell Performance ◽  
Absorption Bands ◽  
Dye Sensitized ◽  
Highly Efficient ◽  
Sensitized Solar Cells

Recently, dye-sensitized solar cells have attracted much attention relevant to global environmental issues. So far ruthenium(II) bipyridyl complexes have proven to be the most efficient TiO2 sensitizers in dye-sensitized solar cells. However, the highest power conversion efficiency has been stagnated in recent years. More importantly, considering that ruthenium is rare and expensive, novel dyes without metal or using inexpensive metal are desirable for highly efficient dye-sensitized solar cells. To fulfill the requirement, it is crucial to develop inexpensive novel dyes that exhibit high efficiencies in terms of light-harvesting, charge separation, and charge collection. Porphyrins are important classes of potential sensitizers for highly efficient dye-sensitized solar cells owing to their photostability and potentially high light-harvesting capabilities that would allow applications in thinner, low-cost dye-sensitized solar cells. However, typical porphyrins possess an intense Soret band at 400 nm and moderate Q bands at 600 nm, which does not match solar energy distribution on the earth. Therefore, the unmatched light-harvesting property relative to the ruthenium complexes has limited the cell performance of porphyrin-sensitized TiO2 cells. Elongation of the -conjugation and loss of symmetry in porphyrins cause broadening and red-shift of the absorption bands together with an increasing intensity of the Q bands relative to that of the Soret band. On the basis of the strategy, the cell performance of porphyrin-sensitized solar cells has been improved remarkably by the enhanced light absorption. The efficiency of porphyrin-sensitized solar cells could be improved significantly if the dyes with larger red and near-infrared absorption could be developed.

Highly Efficient Light-Harvesting Ruthenium Sensitizer for Thin-Film Dye-Sensitized Solar Cells

ACS Nano ◽  
2009 ◽  
Vol 3 (10) ◽  
pp. 3103-3109 ◽  
Author(s):  
Chia-Yuan Chen ◽  
Mingkui Wang ◽  
Jheng-Ying Li ◽  
Nuttapol Pootrakulchote ◽  
Leila Alibabaei ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Light Harvesting ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized ◽  
Highly Efficient ◽  
Sensitized Solar Cells
Sign in / Sign up

Export Citation Format

Share Document