[PDF] Top 20 Enhanced light harvesting with pi-conjugated cyclic aromatic hydrocarbons for porphyrin-sensitized solar cells

... PE1-sensitized solar cells by enhancing their light- harvesting ability through attaching various cyclic aromatic hydrocarbon substituents at the position opposite to the ... See full document

... context With the potential of becoming a clean, unlimited and renewable energy source, the dye-sensitized solar cell (DSSC) has been considered as one of the feasible technologies for ... See full document

... dyes with complementary absorption spectra on TiO 2 film is a well-known strategy to further enhance the light-harvesting ability of dye-sensitized solar cells ...solution ... See full document

... a porphyrin dye generally features an intense Soret band in the range 400 e450 nm and less intense Q bands in the range 550 e650 ...be for the dye to absorb intensely across the entire visible region, even ... See full document

... poly- aromatic or a heterocyclic substituent for PSSC ...solvents. For LD21–LD23, a polyaromatic substituent consisting of ‘‘two phenyl rings’’ is attached to one of the porphyrin ... See full document

... the light- harvesting antenna of biological ...macrocycle with a π-aromatic core, showing an intense Soret band at 400
450 nm and moderate Q bands at 500
650 ...the light- ... See full document

... excellent light-harvesting property with intense absorption throughout the visible to the near-IR region, various porphyrins have been designed and applied for dye- sensitized ... See full document

... dyes with complementary absorption spectra on a semiconductor film is an effective approach to enhance the light-harvesting property of a ...show enhanced photovoltaic performance relative to ... See full document

... several porphyrin sensitizers 10 and related macro- cyles 11 have been designed and investigated with an aim to be applied in ...diverse porphyrin dyes on their cell perfor- mance, 12 and found that ... See full document

... efficient porphyrin dyes, our systematic studies have shown that higher photovoltaic performance of a zinc porphyrin can be achieved by attaching an anchoring group with a shorter spacer (dye ... See full document

... dye-sensitized solar cells, phosphors, luminescent down shifting, squaraine dyes B ecause of their e fficiency and small cost of fabrication, dye- sensitized solar cells (DSSC) are ... See full document

... simple porphyrin macrocycles with a large planar- system suffer from severe dye ...on porphyrin sensitizers showed that attachment of tert-butyl groups to the meta-positions of the peripheral phenyls ... See full document

... the conversion efficiency of CYC-B1. This MLCT band may come from one of the two different conjugated ligands in CYC-B1. However, the COOH substituents on the dcbpy anchoring ligand have a higher ... See full document

... harvest light for the conversion of solar energy in complicated photosynthetic ...harvest light for solar cells sensitized with a porphyrin ...a ... See full document

... point for dye preparation, purifica- tion, and identification but also one of the crucial factors for the photovoltaic performance of ...the light-harvesting capacity and at the same time ... See full document

... textures with an extensive surface area encounter issues such as film uniformity, coverage, and defects as leakage paths for photogenerated carriers as shown in ...textures with sharp angles result ... See full document

... potential for coumarin dyes with oligothiophene links, and concluded that the smaller V OC for organic DSSC with a long link was due to a smaller electron lifetime resulting from rapid charge ... See full document

... Results and Discussion Molecular Design and Synthesis. Details of the synthetic procedure and compound characterization are described in the Supporting Information. In brief, the standard Sonogashira cross- coupling ... See full document

... dye-sensitized solar cells (DSCs), because of their high photon-to-current conversion efficiency, ease of preparation and low cost compared with traditional silicon- based photovoltaic ...by ... See full document

... employed cyclic voltammetry to determine the redox potentials of these porphyrins; the electrochemical reactions of these compounds were measured under ambient ...All porphyrin dyes exhibit reversible waves ... See full document