Dye-Sensitized Solar Cells: Components Screening for Glass substrate, Counter-Electrode, Photoanode and Electrolyte

Marques, Adriano dos Santos; Silva, Vitor A. S. da; Ribeiro, Emerson Schwingel; Malta, Luiz Fernando B.

doi:10.1590/1980-5373-mr-2020-0168

Cited by 9 publications

(8 citation statements)

References 33 publications

(30 reference statements)

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“…The without additive GLN gel electrolyte exhibited low τ n of 2.6 ms. From the τ n results, increment of τ n of SAA gel electrolyte showed reduced recombination process among TiO 2 surface and I 3 − ions. By modifying the components, we were able to find out with and without the addition of gel electrolyte using DSSCs device, and used for their optical, electrochemical and photovoltaic characteristics [47][48][49].…”

Section: Resultsmentioning

confidence: 99%

Addition of Organic Compounds in Gelatin-biopolymer Gel Electrolyte for Enhanced Dye-sensitized Solar Cells

Devikala,

Maryleedarani Abisharani

2024

Advances in Solar Photovoltaic Energy Systems

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This chapter introduced a new series of organic compound additives like thiophene 2,5-dicarboxylic acid (TDA), sulfanilamide (SAA), 2,6-diamino pyridine (DAP), dibenzo-18-crown-6 (DBC) and 2,6-pyridine dicarboxylic acid (PDA) with gelatin/KI/I2 consist gel polymer electrolytes for dye-sensitized solar cells (DSSCs) application. Nowadays, it is focusing on biopolymers for preparing gel electrolytes for DSSCs application which is a conventional renewable energy source. Biopolymers are abundant in nature, and they are non-toxic, thermally stable, environmentally friendly, low-cost, and have good mechanical and physical properties. The introduced novel gelatin (GLN) biopolymer-based gel electrolytes play a role in improving ionic conductivity and stability, and it also play a better ability for ionic mobility. The low-cost and commercialized organic additive molecules with electron donors like S, O and N elements were strongly coordinated on the surface TiO2 and fermi level shift into negative potentials. The organic additive compound SAA achieved a very active additive and easily reduced the recombination reaction between the surface of TiO2 and I3− ions. This phenomenon readily improves the stability and overall η of the DSSC. During the DSSCs process, intrinsic charge carrier transfer between both electrodes as well as the continuous regeneration of the dye molecules. The surface study and conductivity of prepared gelatin-based gel electrolyte with N, S and O-based additives were characterized by fourier transform infrared spectroscopy (FTIR), UV-visible, X ray diifraction (XRD), Electrochemical Impedance Spectroscopy (EIS) and dye-sensitized solar cells (DSC), respectively. Furthermore, to examine the adsorption behaviour of organic additives on TiO2 (101) surface and negative fermi level shift on TiO2 surface were analysed by density functional theory (DFT) theoretical study.

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Section: Resultsmentioning

confidence: 99%

Addition of Organic Compounds in Gelatin-biopolymer Gel Electrolyte for Enhanced Dye-sensitized Solar Cells

Devikala,

Maryleedarani Abisharani

2024

Advances in Solar Photovoltaic Energy Systems

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“…This device involves a photoelectrochemical process to convert solar radiation into electrical power based on the sensitization of wide-band gap semiconductors. Generally, the DSSCs structure comprises a photoanode, dye molecules or sensitizer, a redox electrolyte, and a counter electrode as cathode (2)(3)(4). The dye sensitizer is the main component in capturing solar radiation and transforming it into electrical power (5).…”

Section: Energymentioning

confidence: 99%

Aqueous Extract of Onion Peels as A Biowaste-Based Sensitizer for Photovoltaic Cells

ADU,

GELYAMAN

2023

Journal of the Turkish Chemical Society Section A: Chemistry

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In the present paper, two natural photosensitizers extracted from red onion peels have been experimentally studied to sensitize the photovoltaic cells. The two natural dyes were prepared overnight, soaking the red onion peel powder in distilled water without acidification (UW) and acidified water (AW). Dye characteristics were identified by UV-vis Spectrophotometer and FT-IR Spectrophotometer. The cell performance was assessed by calculating the produced voltage and current by multi-meter. Red onion peel dyes absorb visible light at a wavelength of 507 nm and promote electron transfer into the porous semiconductor surface. A higher power conversion efficiency (η=0.0535 %) was featured by an unacidified solvent with a short circuit current density (Jsc) of 0.96 mA.cm-2, an open circuit voltage (Voc) of 338 mV and a fill factor of 0.2576. This paper presents a fascinating preliminary study to develop renewable and sustainable energy sources using bulky biowaste.

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“…Previously, much scientific research work was reported on the fabrication and assembly of DSSCs using their various components such as working electrode, counterelectrode, sensitizers/dyes (natural, organic metal free dye, and metal complex dyes/inorganic dyes), and the corresponding cell performance [30][31][32][33][34]. This is due to its best performance under solar irradiation diffusion, having low-cost manufacturing, fabrication simplicity, and environmental friendliness incorporated materials.…”

Section: Dye-sensitized Solar Cells (Dsscs)mentioning

confidence: 99%

Recent Progress, Advancements, and Efficiency Improvement Techniques of Natural Plant Pigment‐Based Photosensitizers for Dye‐Sensitized Solar Cells

Bekele

Dessie

2022

Journal of Nanomaterials

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Production of green energy by using environment friendly and cost-effective components is attracting the attention of the research world and is found to be a promising approach to replace nonrenewable energy sources. Among the green energy sources, dye-sensitized solar cells (DSSCs) are found to be the most alternative way to reduce the energy demand crises in current situation. The efficiency of DSSCs is dependent on numerous factors such as the solvent used for dye extraction, anode and cathode electrodes, and the thickness of the film, electrolyte, dye, and nature of FTO/ITO glasses. The efficiency of synthetic dye-based DSSCs is enhanced as compared to their counterparts. However, it has been found that many of the synthetic sensitizers used in DSSCs are toxic, and some of them are found to cause carcinogenicity in nature by forming a complex agent. Instead, using various parts of green plants such as leaves, roots, steam, peel waste, flowers, various spices, and mixtures of them would be a highly environmentally friendly and good efficient. The present review focuses on and summarizes the efficiency affecting factors, the various categories of natural sensitizers, and solvent effects. Furthermore, the review work assesses the experimentally and computationally obtained values and their progress in development.

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Dye-Sensitized Solar Cells: Components Screening for Glass substrate, Counter-Electrode, Photoanode and Electrolyte

Cited by 9 publications

References 33 publications

Addition of Organic Compounds in Gelatin-biopolymer Gel Electrolyte for Enhanced Dye-sensitized Solar Cells

Addition of Organic Compounds in Gelatin-biopolymer Gel Electrolyte for Enhanced Dye-sensitized Solar Cells

Aqueous Extract of Onion Peels as A Biowaste-Based Sensitizer for Photovoltaic Cells

Recent Progress, Advancements, and Efficiency Improvement Techniques of Natural Plant Pigment‐Based Photosensitizers for Dye‐Sensitized Solar Cells

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