Utilization of natural carotenoids as photosensitizers for dye-sensitized solar cells

Yamazaki, Eiji; Murayama, Masaki; Nishikawa, Naomi; Hashimoto, Noritsugu; Shoyama, Masashi; Kurita, Osamu

doi:10.1016/j.solener.2006.08.003

Cited by 224 publications

(94 citation statements)

References 15 publications

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“…Investigators concluded that crocetin, whose structure contains carboxyl groups, can effectively attach to the surface of the TiO 2 film, resulting in higher photoelectrochemical performance than crocetin, which does not have a carboxylic group in its structure. 8 It is necessary to search nature to find additional organic resources that are capable of generating more power when used as dye sensitizers in solar cells. The first step is to build a model that predicts the efficiency of a DSSC based on the qualitative and quantitative characteristics of organic dye sensitizers.…”

Section: Introductionmentioning

confidence: 99%

Estimating the impact of dye concentration on the photoelectrochemical performance of anthocyanin-sensitized solar cells: a power law model

Ahmadian

2011

J. Photon. Energy

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Abstract. This study investigated the relationship between the anthocyanin concentration in a series of organic fruit species and the photoelectrochemical performance of the TiO 2 dyesensitized solar cells (DSSCs) sensitized by these dyes. It was hypothesized that organic dyes with a greater anthocyanin concentration have higher fill factors (FFs) and maximum output power (P MAX ), which would lead to higher energy conversion efficiency. Anthocyanin dye solution was extracted from eight test fruits using water as the extracting solvent. Using these test organic dyes, multiple DSSCs were assembled such that light entered through the TiO 2 side of the cell. The full current-voltage (I-V) covariations were measured at various incremental resistance values. Defining P MAX as the dependent variable, a series of linear, semi-logarithmic, quadratic, and finally power law regression models were used to investigate the relationship between anthocyanin concentration and photoelectrochemical performance. Regression analysis demonstrated that the power law model (R 2 = 0.86) was the best fit and experimentally sound model to predict the relationship between P MAX and anthocyanin concentration. Based on this model, anthocyanin content and P MAX relation approaches zero for zero concentration and follows a sublinear increase for higher concentration. Dyes extracted from blueberry and black raspberry with the highest anthocyanin content generated higher P MAX with better FF and conversion efficiency. Estimating these linear and power law models is the first step in finding organic anthocyanin sources in nature that have the highest dye content to efficiently generate energy. C 2011 Society of Photo-Optical Instrumentation Engineers (SPIE).

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Section: Introductionmentioning

confidence: 99%

Estimating the impact of dye concentration on the photoelectrochemical performance of anthocyanin-sensitized solar cells: a power law model

Ahmadian

2011

J. Photon. Energy

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“…The performance of natural dye sensitizer in DSSC has been estimated using fill factor (FF), energy conversion efficiency (η) (J sc ), open circuit voltage (V oc ), and short circuit current. Many parts of a plant have been tested by Researchers (see Table 1) and various useful dyes have been highlighted as photo-sensitizers for DSSC from natural products [35][36][37][38][39][40][41][42]. …”

Section: Natural Dye Sensitizersmentioning

confidence: 99%

Review on Natural Dye-Sensitized Solar Cells (DSSCs)

Adedokun¹,

Titilope²,

Awodugba³

2016

IJET

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Abstract-In a conversion system of pure and non-convectional solar energy to electricity, dye sensitized solar cells (DSSCs) encourage the fabrication of photovoltaic devices providing high conversion efficiency at low cost. The dye as a sensitizer plays a vital role in performance evaluation of DSSCs. Natural dyes (organic dyes) has come to be a worth-while substitute to the rare and expensive inorganic sensitizers because of its cost effective, extreme availability and biodegradable. Different parts of a plant like fruits, leaves, flowers petals and bark have been tested over the years as sensitizers. The properties, together with some other parameters of these pigments give rise to improve in the operation standard of DSSCs. This review hash-out the history of DSSC with a focus on the recent developments of the natural dyes applications in this specific area with their overall appearance, the various components and the working principle of DSSCs as well as the work done over the years on natural dye based DSSCs.

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“…O extrato foi armazenado em um frasco âmbar, para evitar a degradação pela ação da luz, e foi mantido sob -refrigeração (5,0 ± 1,0ºC) (CHANG, 2010 Os filmes foram preparados pela técnica de silk screen a partir da pasta de TiO2 preparada utilizando pó de TiO2 (P-25 DEGUSSA), etil celulose, etanol e triton X-100 para melhorar a aderência do filme com o substrato condutor (YAMAZAKI, 2007). O etil celulose tem a função de aumentar a viscosidade da emulsão.…”

Section: Materiais E Método Montagem Da Célulaunclassified

A Educação Ambiental Através De Montagem E Simulação De Células Solares Sensibilizadas Com Corante Orgânico

Sampaio

Feitosa

2016

CeN

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Utilization of natural carotenoids as photosensitizers for dye-sensitized solar cells

Cited by 224 publications

References 15 publications

Estimating the impact of dye concentration on the photoelectrochemical performance of anthocyanin-sensitized solar cells: a power law model

Estimating the impact of dye concentration on the photoelectrochemical performance of anthocyanin-sensitized solar cells: a power law model

Review on Natural Dye-Sensitized Solar Cells (DSSCs)

A Educação Ambiental Através De Montagem E Simulação De Células Solares Sensibilizadas Com Corante Orgânico

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