نتایج جستجو برای: sensitized solar cells dssc
تعداد نتایج: 1486222 فیلتر نتایج به سال:
Semi-transparent solar cells are emerging as promising devices for building integrated photovoltaics. However, regardless of the technology considered, optical transmission semi-transparent is fixed during fabrication process, and hence, cannot adjust to variations in daylight or weather conditions. This becomes an issue when applications such photovoltaic windows envisioned. Previously, it has...
Dye-sensitized solar cells have been under development for the last three decades but are yet to see market. This has attributed stability issues of electrolyte in cell. Electrolytes can be liquid, quasi-solid, or solid. Liquid electrolytes were first developed and, therefore, subject radical revisions both composition and applicability. They shown best power conversion efficiencies poor therma...
Abstract The extensive research and interest in dye-sensitized solar cells (DSSCs) due to their relatively low cost, simple preparation methodology, toxicity, comparable ease of production continues garner momentum over recent decades. This study explores the extraction purification dyes from different plant sources for cell applications. results obtained these extracts commonly serve societies...
In this work, chitosan and carboxy methyl cellulose biopolymers were used as gelling agents in composition of electrolyte of dye sensitized solar cells. The effect of both biopolymers on performance of dye sensitized solar cell were investigated by adding the same amounts of two biopolymers to the liquid electrolytes composed of ox/red couple of I-/I3- with similar concentrations. The electroch...
Seven flavylium salt dyes were employed for the first time as sensitizers for dye-sensitized solar cells (DSSCs). The theoretical and experimental wavelengths of the maximum absorbances, the HOMO and LUMO energy levels, the coefficients, the oscillator strengths and the dipole moments are calculated for these synthetic dyes. The introduction of a donor group in the flavylium molecular structure...
Photoanodes comprising Au nanoparticles (GNPs) and thin TiO2 layers with a stacked structure were fabricated by repeating the application of TiO2 paste and GNP solutions on conductive glass to vary the distribution of GNPs in the TiO2 layer. The plasmon-enhanced characteristics of dye-sensitized solar cells (DSSCs) with such photoanodes were investigated. Both the absorption of the TiO2 layer a...
Energy consumption is increasing yearly all over the world due to increase in population and demand of energy. The largely depends on a hydroelectric energy supply, thermal electric supply which non-renewable resources. Nevertheless, resources are rapidly decreasing per year rate consumption. quest for discovery another abundant resource has attracted many scientists into development renewable ...
Dye-sensitized solar cell (DSSC) is one of the promising photovoltaic (PV) technologies for applications requiring high aesthetic features combined with energy production such as building integration PV (BIPV). In this context, DSSCs have ability to be wavelength selective, thanks development new sensitizers by molecular engineering. The long history dye research has afforded technology differe...
Telah diteliti pengaruh lama annealing lapisan tipis ZnO terhadap efisiensi Dye Sensitized Solar Cells . Lapisan yang ditumbuhkan kemudian di- menggunakan furnace. Annealing dilakukan pada temperatur 450 o C dengan durasi 1 - 5 jam. terbentuk dikarakterisasi I-V Test , UV-VIS, dan XRD. Karakterisasi menunjukkan bahwa tertinggi 1,98% didapatkan sampel selama jam menghasilkan V oc 263 mV, I sc 0,...
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