A wire-shaped flexible dye-sensitized solar cell (WSF-DSSC) without any transparent conducting oxide materials is fabricated. The has a helical twisting structure formed by two fiber-like electrodes (100 μm in diameter). Due to the structure, many opaque such as metal wire can be applied. It found that incident-light-angle dependence of cell's IV output extremely low.

Application of a hydrostatic pressure in the range 1-650 atm boosted photoluminescence and electroluminescence hexaphenylsilole by approximately 10 73%, respectively, due to suppression intramolecular rotations and/or increase carrier injection, offering helpful mechanistic insight into intriguing phenomenon aggregation-induced emission.

Conductive meshes are used to replace transparent conducting oxides (TCOs), which commonly in electrodes of dye-sensitized solar cells (DSSCs). The TCO-less flexible working electrode could be sintered under 400–500°C. A preliminary result that open-circuit voltage (VOC)=650mV, short-circuit current density (ISC)=4.5mA∕cm2, and efficiency (ηAM1.5)=1.49% (100mW∕cm2) is obtained from the liquid-type DSSC. incident light dispersed uniformly inside electrode. Testing results...

TCO-less, flexible and highly efficient dye-sensitized solar cells are fabricated with commercialized carbon fiber as the counter electrode. 5.8% of conversion efficiency was obtained via modification conductivity catalytic performance fiber.

Solar cells are the most effective approach for sustainable energy to meet world's increasing needs in energy. However, their large-scale applications have been limited by low cost performance, supply of raw materials, complex preparation processes and possible pollutions produced during processing. Here we introduce a novel fiber solar cell housed simple low-cost parabolic-shape reflector, which can effectively capture diffuse light from all directions. The maximum efficiency based...

A novel fiber-shaped dye-sensitized solar cell (DSSC) based on an all-carbon electrode is presented, where low-cost, highly-stable, and biocompatible carbon materials are applied to both the photoanode counter electrode. The fibrous carbon-based has a core-shell structure, with fiber core used as conductive substrate collect carriers sensitized porous TiO(2) film shell harvest light effectively. highly catalytic made from ink coatings substrate. Results show that open circuit voltage can be...

A high-efficiency dye-sensitized solar cell prototype has been designed and fabricated, in which the working electrode counter are direct contact singly twisted. The is sealed a capillary. In this configuration, area ratio between extremely low allows independent adjustment of electrolyte volume distance photo-anode. Also it more easily compared to planar cell. effects TiO(2) film thickness, twisted pitch length device have investigated. Our results indicate that novel configuration...

Highly efficient, flexible and large-size fiber-shaped solid state dye-sensitized solar cells (ss-DSSCs) were designed fabricated by employment of annealed Ti wire as substrate the subsequent polymer-templated TiO2 nanocrystalline film photoanode. The work function measurement showed that passivation titanium oxide layer, formed on surface substrate, reduced Schottky barrier present at anode interface, i.e. enhanced charge collecting property substrates. photovoltaic performance EIS...

Flexible conductive threads were successfully fabricated on cheap insulating commercial thread substrates using a dip-coating method with polymer PEDOT:PSS. The PEDOT:PSS improved the conductivity and catalytic performance of threads. For first time, utilized to fabricate fiber-shaped dye-sensitized solar cells 4.8% efficiency.

We have explored a type of all-solid fibrous flexible dye-sensitized solar cells without transparent conducting oxide based on CuI electrolyte. The working electrode’s substrate is metal wire. Cu wire counterelectrode twisted with the and CuI-coated electrode. cell’s apparent diameter about 150μm. current-voltage output depends little incident angle light. A 4-cm-long open-circuit voltage short-circuit current generate 304mV 0.032mA, respectively. interfacial interaction between two...

Dye-sensitized solar cells (DSSCs) using pure graphite sheet as the substrate and catalytic material were first fabricated based on a disulfide/thiolate (T2/T−) redox couple. It can present up to 4.79% of power-conversion efficiency (PCE), compared with 2.33% triiodide/iodide (I3−/I−) couple at same experimental condition under AM 1.5 illumination (100 mW cm−2). In contrast, when FTO/Pt is used counter electrode, PCE values are 3.97% 7.13% T2/T− I3−/I−redox couples, respectively. With...

Reduced graphene oxide (rGO) has been attracted considerable attention in the field of dye sensitized solar cells (DSSCs) to serve as a low cost and earth-abundant alternative conventional platinum-based counter electrodes. Recently direct laser writing technologies are emerging an inexpensive, time-efficient high-resolution method produce catalytic rGO-based Herein, we experimentally demonstrate that laser-scribed rGO on ITO/PEN substrate was produced by commercial LightScribe DVD burner...

Two novel spiro-configured ter(arylene-ethynylene) derivatives, TSF-Cz and TSF-F, have been designed synthesized using spiro(fluorene-9,9'-xanthene) (SFX) as building blocks, introducing a hole-transporting carbazole fluorene chromophore the peripheral functional group into backbone through an oxygen atom. The two well-defined oligomers possess good solubility, film-forming quality, high T(g) 's at 140 126 °C, respectively. In addition, these exhibit blue photoluminescence (PL) emission both...

A styrene-based phosphorescent monomer VC3DbmIr(ppy)2 with cyclometalated iridium complex was synthesized. It then copolymerized the first-generation dendritic carbazole VC3CbzG1 through conventional free radical polymerization to obtain a series of electrophosphorescent random copolymers. Characteristic vibrational bands in FT-IR spectra were utilized determine compositions The glass transition temperatures copolymers about 90 °C, and 5% weight loss all above 346 °C. All exhibited similar...

Exploring alternative Pt-free counter electrode with low cost and high electrocatalytic activity is always a main focus at the frontier of dye-sensitized solar cells (DSSCs). In this study, desktop laser engraver was applied to reduce graphene oxide (GO) film on fluorine-doped tin (FTO) substrate, obtained graphene-based material further used as for DSSC. Additionally, facile laser-scribing method also adopted fabricate prototype composite via combination reduced (RGO) carbon black (CB)...

Abstract A dendritic monomer with bipolar side groups containing carbazole and oxadiazole structures was synthesized by a convergent strategy. The homopolymer through conventional radical polymerization. number‐average molecular weight determined gel permeation chromatography 40,000 g/mol. Its 5% loss temperature 358 °C. photophysical properties were studied in solution film. photoluminescent emission peak of the film at 408 nm, which had blue shift 9 nm compared that tetrahydrofuran...

The synthesis of laser-induced graphene (LIG) from polyimide (PI) sheets provides a cost-effective and direct patterning approach for graphene-based electronic devices. However, the fabrication LIG-based electrodes toward photovoltaic applications urgently needs to be explored. Herein, facile high-yield production porous LIG counter DSSC was demonstrated by laser induction PI film. electrical conductivity electrocatalytic activity increased with applied power due formation unique...