نتایج جستجو برای: sensitized solar cells dsscs

تعداد نتایج: 1486104  

In a dye-sensitized solar cell (DSSC), the amount of light absorption dependson the design of the pigments, which determines the strength of light absorption and theoptical range of the cell. In this paper, we have constructed and studied two fairly similarpattern of DSSCs in structure. The thickness of TiO2 used for both cells is taken to be 2μm. We have used an industrial N719 dye for one of ...

Journal: :Chemical Physics Letters 2021

We have investigated the insights of photo-physical surface characteristics for Ru (II) polypyridyl dye (N719) sensitization and its performance in dye-sensitized solar cells (DSSCs) at different temperatures ZnO-based photoanodes. The maximum power conversion efficiency 2.25% with a high open-circuit voltage 0.87 V was recorded 40 °C sensitized device under 1SUN 1.5 AM. 60 shows current densit...

Journal: :Chemical communications 2014
Hyo-Jin Ahn Ik-Hee Kim Jong-Chul Yoon Sun-I Kim Ji-Hyun Jang

We report CVD-grown p-doped three-dimensional graphene nano-networks (3D-GNs) that provide superior performance to Pt as a counter electrode material in dye sensitized solar cells (DSSCs). The 3D-GN based DSSC exhibits a maximum photoconversion efficiency of 8.46%, which is 6.01% greater than that exhibited by Pt based DSSCs.

2015
Zhiwei Shi Kaimo Deng Liang Li

The counter electrode has a great influence on the performance of the dye-sensitized solar cells (DSSCs). The research and development of Pt-free counter electrode is becoming one of the hot areas in the field of DSSCs. Herein, we successfully synthesized a ternary metal sulfide (CoNi2S4) nanostructure on FTO substrate by hydrothermal method and investigated its application as counter electrode...

Journal: :International Journal of Engineering Technologies, IJET 2016

A. Nemati Kharat L. Fatholahi M. Malekshahi Byranvand,

A  commercial  Ti-Nanoxide  was  deposited  on  In-doped  SnO2 (ITO) polymer  substrates by  tape casting  technique with different thicknesses  (7,  14  and  36μm)  to  be  used  as  photoelectrode  in flexible  dye-sensitized  solar  cells  (DSSCs).  Ruthenium  dye  was adsorbed on each TiO2 film for 24 h. The resulting photoelectrodes were used to form flexible DSSCs in combination with...

Journal: :Chemical communications 2012
Pengcheng Dai Guan Zhang Yuncheng Chen Hechun Jiang Zhenyu Feng Zhaojun Lin Jinhua Zhan

Porous copper zinc tin sulfide (CZTS) thin film was prepared via a solvothermal approach. Compared with conventional dye-sensitized solar cells (DSSCs), double junction photoelectrochemical cells using dye-sensitized n-type TiO(2) (DS-TiO(2)) as the photoanode and porous p-type CZTS film as the photocathode shows an increased short circuit current, external quantum efficiency and power conversi...

2011
Daniel O'Neil

Solar cells must accomplish two basic tasks to generate current: absorb incident photons and conduct excited electrons to the circuit. Traditional solar cells made of silicon accomplish these with a single, expensive material. Dye sensitized solar cells (DSSC) are an alternative using separately optimized materials for each task. In short, a dye absorbs the photons and injects them into a semic...

Journal: :Solar RRL 2021

Aqueous dye-sensitized solar cells (DSSCs) are emerging as a promising alternative to enhance both the lifetime and environmental friendliness of traditional DSSCs. Herein, cobalt-based, jellified (with xanthan gum) aqueous electrolyte, leading valuable efficiency exceeding 4% (VOC = 847 mV, JSC 6.73 mA cm?2, fill factor 74%), is reported. Design experiment used precisely significantly study, a...

2012
En Mei Jin Xing Guan Zhao Ju-Young Park Hal-Bon Gu

For high solar conversion efficiency of dye-sensitized solar cells [DSSCs], TiO2 nanofiber [TN] and Ag-doped TiO2 nanofiber [ATN] have been extended to be included in TiO2 films to increase the amount of dye loading for a higher short-circuit current. The ATN was used on affected DSSCs to increase the open circuit voltage. This process had enhanced the exit in dye molecules which were rapidly s...

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