Dye-sensitized solar cells using Aloe Vera and Cladode of Cactus extracts as natural sensitizers

Ganta, D.; Jara, Jorge; Villanueva, R.

doi:10.1016/j.cplett.2017.04.094

Cited by 53 publications

(15 citation statements)

References 25 publications

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“…Stretching vibrations of C-O-C esters demonstrate peaks at 1037 cm -1 and 1033 cm -1 , respectively. These functional groups confirm the presence of chlorophyll and anthocyanin [42]. Figure 5(a) represents the steady-state photoluminescence of the extracted dyes measured in parallel configuration of Aventus setup.…”

Section: Resultsmentioning

confidence: 53%

Dye-Sensitized Solar Cells (DSSCs) Based on Extracted Natural Dyes

Ammar

Mohamed

Yousef

et al. 2019

Journal of Nanomaterials

139

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Here, three natural dyes were extracted from different fruits and leaves and used as sensitizers for dye-sensitized solar cells (DSSCs). Chlorophyll was extracted from spinach leaves using acetone as a solvent. Anthocyanin was extracted from red cabbage and onion peels using water. Different characterizations for the prepared natural dyes were conducted including UV-vis absorption, FTIR, and steady-state/time-resolved photoluminescence spectroscopy. Various DSSCs based on the extracted dyes were fabricated. The degradation in the power conversion efficiencies was monitored over a week. The effect of the TiO2 mesoporous layers on the efficiency was also studied. The interfaces between the natural dyes and the TiO2 layers were investigated using electrochemical impedance spectroscopy.

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Section: Resultsmentioning

confidence: 53%

Dye-Sensitized Solar Cells (DSSCs) Based on Extracted Natural Dyes

Ammar

Mohamed

Yousef

et al. 2019

Journal of Nanomaterials

139

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“…Anthocyanins are chemical compounds derived from plant parts and show the color of visible light in the range of red to blue wavelengths and are predicted to be potential compounds for photosensitizer material. 19 Anthocyanins are the most plentiful and extensive dye type of the flavonoids and they are the most important cluster of water-soluble pigments in plants. They absorb light at the longest wavelengths and are the source for most orange, pink, red, magenta, purple, blue, and blue-black floral colors.…”

Section: Resultsmentioning

confidence: 99%

“…The achieved highest efficiency of DSSC is 9.8%. 19,20 While there are some DSSCs from natural dyes that show less than 1% performance, this is because the organic dye absorbed by the working electrodes is very small.…”

Section: Novelty Statementmentioning

confidence: 99%

“…There are several DSSCs from natural dyes that show efficiencies achieved higher than 1%, this shows that the development of clean energy of light conversion using natural photosensitizer is very promising. The achieved highest efficiency of DSSC is 9.8% 19,20 . While there are some DSSCs from natural dyes that show less than 1% performance, this is because the organic dye absorbed by the working electrodes is very small.…”

Section: Introductionmentioning

confidence: 99%

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Organic Solar Cell Performance of Musa acuminata bracts Extract by Microwave Irradiation Treatment

Madnasri

Ati

2020

Int J Energy Res

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Summary The purpose of this study is to fabricate DSSC which performs well from natural pigments by giving exposure to microwave irradiation in materials to increase pigment uptake. In this research, the microwave irradiation was applied in coating banana flower extract (Musa acuminata bract) on the electrode, to increase light absorption of anthocyanin pigment. It is expected that the device can absorb more solar energy. The banana flower extract was characterized using Ocean Optic Vis‐Nir USB 4000 to observe the optical properties. The irradiation treatment was carried out using Electrolux Microwave (EMM 2308X) at power 150 W. The DSSC samples were characterized using I‐V meter Nacrieble 101. The maximum absorbance of 1.55 a.u. is found for the mass fraction of 0.45. The microwave irradiated device has an efficiency of about 3.69×10−6%, whereas which is no microwave irradiation has a maximum efficiency of about 0.57%. It shows that microwave irradiation can improve DSSC performance. The banana flower extract is available as an alternative organic photosensitizer in the fabrication of DSSC.

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“…One particular area that has occupied the interest of most researchers is the dye sensitizers used in the solar cell. fabrication of solar cells [16][17][18][19][20][21]. Although natural dyes are more environmentally friendly, low cost, and abundant in supply, their efficiencies are not as high as that of most synthetic dyes.…”

Section: Introductionmentioning

confidence: 99%

Photophysical Studies of Ruthenium-Based Complexes and the Performance of Nanostructured TiO2 Based Dye Sensitized Solar Cells

Ali

Pervez

Ghann

et al. 2019

J Nanomed Nanotechnol

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Dye-sensitized solar cells (DSSCs) have attracted enormous attention in the last couple of decades due to their relatively small size, low cost and minimal environmental impact. DSSCs convert solar energy to electrical energy with the aid of a sensitizing dye. In this work, two ruthenium-based dyes, tris(bipyridine)ruthenium(II) chloride (Rubpy) and ruthenium(II)2,2'-bis(benzimidazol-2-yl)-4,4'-bipyridine (RubbbpyH 2), were synthesized, characterized, and investigated for use as dye sensitizers in the fabrication of DSSCs. The photovoltaic performance of the ruthenium-based DSSCs was assessed. The solar-to-electric power efficiency of the RubbbpyH 2 DSSC was 0.2% and that of the Rubpy was 0.03%. The RubbbpyH 2 was also deprotonated and analyzed to study the effect of deprotonation on the efficiency of the solar cell. The deprotonated species, Rubbbpy, recorded an average efficiency of 0.12%. Thus, a change in pH did not enhance the efficiency of the solar cell. The cells were further characterized by impedance measurements. The photocurrent-photovoltage results were not consistent with the absorption spectra since Rubbbpy showed a more prominent band than RubbbpyH 2 but had a lower efficiency.

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Dye-sensitized solar cells using Aloe Vera and Cladode of Cactus extracts as natural sensitizers

Cited by 53 publications

References 25 publications

Dye-Sensitized Solar Cells (DSSCs) Based on Extracted Natural Dyes

Dye-Sensitized Solar Cells (DSSCs) Based on Extracted Natural Dyes

Organic Solar Cell Performance of Musa acuminata bracts Extract by Microwave Irradiation Treatment

Photophysical Studies of Ruthenium-Based Complexes and the Performance of Nanostructured TiO2 Based Dye Sensitized Solar Cells

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