Synthesis of boron-doped CQDs and its use as an additive in P3HT:PCBM layer for efficiency improvement of organic solar cell

Kurukavak, Çisem Kırbıyık; Yılmaz, Tuğbahan; Çetin, Şevval; Alqadasi, Mamdoh Murad; Al-Khawlany, Khawlan Mohammed; Kuş, Mahmut

doi:10.1016/j.mee.2020.111465

Cited by 13 publications

(8 citation statements)

References 40 publications

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“…The lowest 15.56 Ω cm –2 of R s and the highest 309.59 Ω cm –2 of R sh were acquired from 3 vol % of CP-DOT addition into the P3HT:PCBM-based OSCs. It can be said that the enhancement of FF values with an exception (as mentioned above) is in good match with these results as R sh is related to the charge transport properties and leakage current . To sum up, in the best case, the PCE of OSCs increased by 50% upon addition of 3% vol of CP-DOT dopant solution to the active layer, which shows that CP-DOTs showed a synergistic effect and enhanced photovoltaic parameters of traditional organic solar cells.…”

Section: Resultssupporting

confidence: 71%

“…It can be said that the enhancement of FF values with an exception (as mentioned above) is in good match with these results as R sh is related to the charge transport properties and leakage current. 53 To sum up, in the best case, the PCE of OSCs increased by 50% upon addition of 3% vol of CP-DOT dopant solution to the active layer, which shows that CP-DOTs showed a synergistic effect and enhanced photovoltaic parameters of traditional organic solar cells. After these values were compared with the other OSCs studied in the literature ( Table S2 ), it was concluded that addition of CP-DOTs to the active layer in OSCs is one of the most effective ways to improve the photovoltaic parameters of OSCs.…”

Section: Resultsmentioning

confidence: 85%

“…As the correlation between carrier mobility and crystallinity was considered, the carrier mobility should increase with better crystallinity for P3HT-based films . According to these results, using CP-DOTs as an additive increased the crystallinity of P3HT, and as a consequence, CP-DOTs can be considered as an excellent additive candidate to improve OSCs’ photovoltaic performance due to the increments in the charge carrier mobility of the P3HT:PCBM layer. , …”

Section: Resultsmentioning

confidence: 96%

“… 51 According to these results, using CP-DOTs as an additive increased the crystallinity of P3HT, and as a consequence, CP-DOTs can be considered as an excellent additive candidate to improve OSCs’ photovoltaic performance due to the increments in the charge carrier mobility of the P3HT:PCBM layer. 52 , 53 …”

Section: Resultsmentioning

confidence: 99%

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Development of Highly Luminescent Water-Insoluble Carbon Dots by Using Calix[4]pyrrole as the Carbon Precursor and Their Potential Application in Organic Solar Cells

et al. 2022

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Carbon dots (CDs) are carbon-based fluorescent nanomaterials that are of interest in different research areas due to their low cost production and low toxicity. Considering their unique photophysical properties, hydrophobic/amphiphilic CDs are powerful alternatives to metal-based quantum dots in LED and photovoltaic cell designs. On the other hand, CDs possess a considerably high amount of surface defects that give rise to two significant drawbacks: (1) causing decrease in quantum yield (QY), a crucial drawback that limits their utilization in LEDs, and (2) affecting the efficiency of charge transfer, a significant factor that limits the use of CDs in photovoltaic cells. In this study, we synthesized highly luminescent, water-insoluble, slightly amphiphilic CDs by using a macrocyclic compound, calix[4]pyrrole, for the first time in the literature. Calix[4]pyrrole-derived CDs (CP-DOTs) were highly luminescent with a QY of over 60% and size of around 4–10 nm with graphitic structure. The high quantum yield of CP-DOTs indicated that they had less amount of surface defects. Furthermore, CP-DOTs were used as an additive in the active layer of organic solar cells (OSC). The photovoltaic parameters of OSCs improved upon addition of CDs. Our results indicated that calix[4]pyrrole is an excellent carbon precursor to synthesize highly luminescent and water-insoluble carbon dots, and CDs derived from calix[4]pyrrole are excellent candidates to improve optoelectronic devices.

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Section: Resultssupporting

confidence: 71%

Section: Resultsmentioning

confidence: 85%

Section: Resultsmentioning

confidence: 96%

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

Development of Highly Luminescent Water-Insoluble Carbon Dots by Using Calix[4]pyrrole as the Carbon Precursor and Their Potential Application in Organic Solar Cells

et al. 2022

Self Cite

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“…In a typical synthesis, 4 g of citric acid (AC) and 4 g of urea were added to 80 mL of distilled water and the prepared solution was stirred for 15 min at 600 rpm. Then, the mixture solution was transferred into a Teflon-lined cylinder in a stainless-steel autoclave for hydrothermal synthesis of CQDs at 120 ℃ for 12 h. The brownish-green final CQD colloidal solution was collected after cooling at room temperature naturally [ 41 ].…”

Section: Methodsmentioning

confidence: 99%

Carbon Quantum Dots Bridged TiO2/CdIn2S4 toward Photocatalytic Upgrading of Polycyclic Aromatic Hydrocarbons to Benzaldehyde

et al. 2022

Molecules

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Conversion of hazardous compounds to value-added chemicals using clean energy possesses massive industrial interest. This applies especially to the hazardous compounds that are frequently released in daily life. In this work, a S-scheme photocatalyst is optimized by rational loading of carbon quantum dots (CQDs) during the synthetic process. As a bridge, the presence of CQDs between TiO2 and CdIn2S4 improves the electron extraction from TiO2 and supports the charge transport in S-scheme. Thanks to this, the TiO2/CQDs/CdIn2S4 presents outstanding photoactivity in converting the polycyclic aromatic hydrocarbons (PAHs) released by cigarette to value-added benzaldehyde. The optimized photocatalyst performs 87.79% conversion rate and 72.76% selectivity in 1 h reaction under a simulated solar source, as confirmed by FT-IR and GC-MS. A combination of experiments and theoretical calculations are conducted to demonstrate the role of CQDs in TiO2/CQDs/CdIn2S4 toward photocatalysis.

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PbS QDs and rGO-decorated PbS QDs induced optical properties variations on P3HT:PC61BM composite thin films

El-Khalawany,

Zidan,

Zedan

et al. 2024

Appl. Phys. A

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PbS QDs and PbS QDs decorated with reduced graphene (rGO) are prepared by hot-injection method using PbO and hexamethyldisilathiane (HMDS) as Pb and S sources, respectively. PbS QDs and PbS QDs:rGO are used as an addition to poly(3-hexylthiophene-2,5-diyl):phenyl-C61-butyric acid methyl ester (P3HT:PC61BM) composite. The effect of their addition on the morphological, topographical and optical properties of spin-coated P3HT:PC61BM thin films are investigated. These additions tune the films to be more homogenous and more flatness as investigated in terms of field scanning electron microscope. The topographical properties of the films are explored by atomic force microscope. The results show decreasing in the grain size and the surface roughness in P3HT:PbSQDs:PC61BM film compared to other composites films. The optical properties of the films are studied over the spectral range 200–2500 nm. On one hand, the absorption coefficient of different films is computed and the optical band gap of the films is found to decrease after addition of PbS QDs and PbS QDs:rGO. On the other hand, the refractive index of the films is explained according to the single-oscillator model to get the dispersion parameters. In addition, the lattice dielectric constant and the ratio of the free-carriers concertation to their effective mass are evaluated.

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Synthesis of boron-doped CQDs and its use as an additive in P3HT:PCBM layer for efficiency improvement of organic solar cell

Cited by 13 publications

References 40 publications

Development of Highly Luminescent Water-Insoluble Carbon Dots by Using Calix[4]pyrrole as the Carbon Precursor and Their Potential Application in Organic Solar Cells

Development of Highly Luminescent Water-Insoluble Carbon Dots by Using Calix[4]pyrrole as the Carbon Precursor and Their Potential Application in Organic Solar Cells

Carbon Quantum Dots Bridged TiO2/CdIn2S4 toward Photocatalytic Upgrading of Polycyclic Aromatic Hydrocarbons to Benzaldehyde

PbS QDs and rGO-decorated PbS QDs induced optical properties variations on P3HT:PC61BM composite thin films

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