We proposed a simple yet robust film treatment method with methanol having only one hydroxyl group to enhance the conductivity of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) by four orders magnitude. Different methods treatment: immersing PEDOT:PSS in solution; dropping on film; and combination these are employed results compared. The films was enhanced from 0.3 S cm−1 1362 after methanol. Other alcohols like ethanol propanol were also used treat showed inferior...

Versatile dyes based on benzothiadiazole and benzoselenadiazole chromophores have been developed that perform efficiently in dye-sensitized solar cells. Power conversion efficiency of 3.77% is realized for a dye which charge recombination probably hindered by the nonplanar charge-separated structure.

New organic dyes that contain variable lengths of conjugation, featuring oligothiophene and arylamines at the 2- 3-position, have been synthesized. These compounds are characterized by photophysical, electrochemical, theoretical computational methods. Nanocrystalline TiO2-based dye-sensitized solar cells were fabricated using these molecules as light-harvesting sensitizers. The overall efficiencies sensitized range from 4.11 to 6.15%, compared a...

This review describes recent developments relating to the synthesis of viologen-based electrochromes with co-redox species and their ECD performance.

Dyeing for sunlight: A new dye CYC-B1 (see picture), with the highest absorption coefficient known so far Ru-based photosensitizers, was prepared. Solar cells sensitized have a very high current density, and conversion efficiency of is 10 % higher than that cis-di(thiocyanato)bis(2,2′-bipyridyl-4,4′-dicarboxylate)ruthenium(II) under AM 1.5 simulated sunlight. Supporting information this article available on WWW http://www.wiley-vch.de/contents/jc_2002/2006/z601463_s.pdf or from author....

One-dimensional cobalt sulfide (CoS) acicular nanorod arrays (ANRAs) were obtained on a fluorine-doped tin oxide (FTO) substrate by two-step approach. First, Co3O4 ANRAs synthesized, and then they converted to CoS for various periods. The compositions of the films after conversion periods verified X-ray diffraction, UV–visible spectrophotometry, photoelectron spectroscopy; their morphologies examined at different scanning electron microscopic transmission images. Electrocatalytic abilities...

In the last two decades, dye-sensitized solar cells (DSSCs) have attracted more attention as an efficient alternative to economical photovoltaic devices, and highest efficiency record has increased from ∼7% ∼14%. To be competitive in cell markets, various organic materials are investigated used DSSCs improve efficiency, enhance durability, reduce cost of production. this review article, we provide a short on for preparation photoanodes (including metal element-free dye sensitizers),...

Calligraphic counter electrodes: An important photovoltaic application using FeS2 nanocrystal (NC) pyrite ink to fabricate a electrode as an alternative Pt in dye-sensitized solar cells is demonstrated. NC exhibits excellent electrochemical catalytic activity and remarkable stability. ITO=indium-doped tin oxide. As service our authors readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed may be re-organized for online delivery, but...

This review focuses on recent progress of metal-free sensitizers and panchromatic engineering co-sensitization in dye-sensitized solar cells (DSSCs).

We fabricated a highly efficient (with solar-to-electricity conversion efficiency (η) of 8.1%) Pt-free dye-sensitized solar cell (DSSC). The counter electrode was made cobalt sulfide (CoS) nanoparticles synthesized via surfactant-assisted preparation metal organic framework, ZIF-67, with controllable particle sizes (50 to 320 nm) and subsequent oxidation conversion. In contrast conventional Pt electrodes, the CoS exhibited higher external surface areas roughness factors, as evidenced by...

Alkali metal halide additives chelate with Pb²⁺ ions during film formation promoting homogeneous nucleation, which greatly enhances the power conversion efficiency (15.08%) and stability (over 50 days) of planar perovskite solar cells.

Abstract In this review, the applications of molecularly imprinted polymer (MIP) materials in area electrochemical sensors have been explored. The designs MIPs containing different polymers, their preparation and immobilization on transducer surface discussed. Further, employment various transducers based techniques for determining analytes has assessed. addition, general protocols getting signal binding ability analyte with given. review ends describing scope limitations above MIP sensors.

The capacitance mechanisms of magnetite electrochemical capacitor in , and KOH aqueous solutions have been investigated by quartz-crystal microbalance analysis, along with cyclic voltammetry X-ray photoelectron spectroscopy. oxide thin-film electrode was prepared an electroplating method, exhibits a 25, respectively. Strong specific adsorption the anion species evidenced all solutions. Experimental results indicate that, capacitive current originates from combination electric double-layer...

Zinc oxide (ZnO) nanosheets (ZnO-NS) were prepared for the photoanode of a dye-sensitized solar cell (DSSC), first by directly growing layered hydroxide zinc carbonate (LHZC) on an FTO substrate using chemical bath deposition (CBD) method and then transforming LHZC into ZnO through pyrolysis at 300 °C. A light-to-electricity conversion efficiency (η) 6.06% was achieved DSSC with ZnO-NS as its photoanode, under 100 mW cm−2 illumination, this found to be much higher than that nanoparticles...

Eine Effizienz bis 9.72 % in farbstoffsensibilisierten Solarzellen (DSCs) zeigen zwei neue rutheniumbasierte Supersensibilisatoren (CYC-B6S und CYC-B6L), denen die Lochtransporteinheit ein konjugiertes Segment nacheinander mit dem Bipyridin des Hilfsliganden verknüpft sind. Außerdem wird Steigerung der Konversionseffizienz von Flüssigkeits-DSCs durch Verknüpfen einer Carbazoleinheit Ruthenium-Sensibilisators vorgestellt. Supporting information for this article is available on the WWW under...

New organic dyes that contain variable lengths of conjugation featuring alternating thiophene and fluorene segments have been synthesized efficient nano-crystalline TiO2 based dye-sensitized solar cells were fabricated using these molecules as light-harvesting sensitizers.

A series of new metal free organic dyes containing carbazole as donor and π-linker have been synthesized characterized effective sensitizers for dye sensitized solar cells (DSSCs). The functionalized at C-2 C-7 served electron-rich bridge. property the is substantially enhanced on introduction tert-butyl groups C-3 C-6 positions oxidation propensity increased insertion thiophene unit in conjugation pathway. These structural modifications fine-tuned optical electrochemical properties dyes....

Two new heteroleptic ruthenium-based dyes, SJW-E1 and CYC-B3 (see figure), with very high photon-to-current conversion efficiency are reported their application in dye-sensitized solar cells (DSCs) described. The higher performance of DSCs is suggested to arise from successful molecular-engineering the ancillary ligand, that is, two-dimensional conjugation enhancement functional group substitution. Supporting information for this article available on WWW under...