2016
DOI: 10.1007/s10800-016-0974-9
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Betalain and anthocyanin dye-sensitized solar cells

Abstract: In the present work, the mechanism behind the functioning of the eco-friendly dye-sensitized solar cell was explored. Dye-sensitized solar cells were fabricated using natural dyes extracted from common pear (Opuntia dillenii) and red tamarind (Tamarindus indica), and 1:1 mixture. Betalain and anthocyanin were identified as the main pigments that sensitize the semiconductor TiO 2 film. The best conversion efficiency of 0.47 % was achieved from betalain dyes and 0.14 % from anthocyanin dyesensitized solar cell [… Show more

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Cited by 104 publications
(61 citation statements)
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“…These pigments have naturally evolved over thousands of years to efficiently harness solar energy. Natural pigments such as betalains [14][15][16][17], chlorophylls [18,19], anthocyanins [20,21] and carotene [22] have been investigated as photo-sensitizers for solar cell applications. However, the main drawbacks of this type of solar cells are their low efficiencies and short lifespan.…”
Section: Introductionmentioning
confidence: 99%
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“…These pigments have naturally evolved over thousands of years to efficiently harness solar energy. Natural pigments such as betalains [14][15][16][17], chlorophylls [18,19], anthocyanins [20,21] and carotene [22] have been investigated as photo-sensitizers for solar cell applications. However, the main drawbacks of this type of solar cells are their low efficiencies and short lifespan.…”
Section: Introductionmentioning
confidence: 99%
“…However, the main drawbacks of this type of solar cells are their low efficiencies and short lifespan. So far, maximum efficiencies of 1.5-2%, and average efficiencies of ~ 0.4% have been achieved by solar cells using natural photo-sensitizers [14][15][16][17][18][19][20][21][22]. Achieving higher efficiencies and improving stability would make natural pigment-sensitized solar cells an attractive alternative technology for portable or disposable electronic applications.…”
Section: Introductionmentioning
confidence: 99%
“…The lowest absorption is ITO/TiO 2 /PEDOT: PSS/ iCHLO-PA (5%) and ITO/TiO 2 /PEDOT: PSS/ iCHLO-PA (15%) together with the absorption of dye without the conjugated of dye ITO/TiO 2 /PEDOT: PSS/ CHLO-PA. This shows broader and stronger absorption of spectrum could give a huge impact to the performance of power conversion efficiency (PCE) [40][41][42].…”
Section: F Absorption Spectrum Of Thin Filmmentioning
confidence: 99%
“…Anthocyanins have several hydroxyl groups that bind with TiO 2 nanoparticles via metal complexation, and it has been shown that excited anthocyanin molecules are able to inject electrons into the conduction band of TiO 2 very efficiently [23,24]. Besides, several authors have demonstrated that the mixture of natural dyes could improve the energy conversion efficiency of natural DSSC [24][25][26]. According to Strauch et al, there is significant variation in the anthocyanin composition in the population of red cabbage, therefore, the plausible anthocyanin content in mortiño fruit is different from others fruits and flowers studied previously [27].…”
Section: Introductionmentioning
confidence: 99%