Enhanced performance of the dye-sensitized solar cells by the introduction of graphene oxide into the TiO₂photoanode

Abstract

It is a potential way to enhance the performance of the DSSCs by constructing a GO-TiO2 composited photoanode with graphene oxide.

Synthesis and Characterization of TiO2 thin film Electrode based Dye Sensitized Solar Cell

“…We have found the values of cell parameters such as; V oc , J sc , FF, I max , V max , P max and efficiency are of 0.60V, 3.337mA/cm 2 , 56.13%, 0.00289A, 0.4704V, 1.36 and 1.13%. The performance of cell is considerable at low cost DSSC technology available today [24]. On other hand we have found different values of efficiency at different range of wave length as mentioned in figure 3(b), and are continuously increase.…”

“…The values of all the parameters of Nyquist plots of DSSC based on TiO 2 photoanode with the equivalent circuit are summarized in Table. In the bode plot of cell based on photoanode TiO 2 under the solar irradiation, the frequency was shifted in higher frequency region with the TiO 2 photoanode as shows in figure 4(b).According to curve recombination charge transfer processes at the TiO 2 /dye/electrolyte interface is low and enhance the electron transmission [29,30]. On the other hand illumination condition f max is inversely proportional to the electron transport time as τ s =1/ (2πf max ), increment in f max shows the increased rate of charge transport process in DSSC [24]. Hence, with the reduced value τ s of indicates that the electrons reaches at FTO electrode at a faster rate, so that we can improve the performance of DSSC by further modification.…”

Review of fabrication methods of large-area transparent graphene electrodes for industry

“…Many other works on applications of graphene on polymer solar cells have been done, using it as an electrode layer [161,[166][167][168], including it in a hybrid-polymer layer [169,170] or as hybrid electrode [171][172][173][174]. Graphene has also been applied to dye sensitized solar cells, e.g., in counterelectrodes [175][176][177][178], nanocomposite matrices [179,180] and photoanodes [181][182][183]. Another interesting thirdgeneration solar cell type is perovskite based solar cells (PSCs), which reached PCE of~25% [184] in 2019, rivaling that of current commercial Si-based solar cells.…”

First Principles Study of Dendritic Carbazole Photosensitizer Dyes Modified with Different Conjugation Structures

“…Dye sensitized solar cells (DSSC) have currently gained the extensive consideration due to their low‐cost, high efficiency, simple synthesis and environment friendly manufacturing process. DSSC has been considered as the most perspective technology and categorized as third generation photovoltaic technology and a lot of recent research has been performed to improve their working . In DSSC, light is used to excite the electrons in photosensitizing dye from their ground state.…”