Hybrid inverted bulk heterojunction solar cells with nanoimprinted TiO2 nanopores

Baek, Woonhyuk; Seo, Il; Yoon, Tae‐Sik; Lee, Hyun Ho; Yun, Chong Man; Kim, Yong−Sang

doi:10.1016/j.solmat.2009.04.014

Cited by 73 publications

(27 citation statements)

References 39 publications

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“…Due to these buffer layers in inverted architecture prevent shorting and reduce leakage current in hybrid devices. The oxidation of low work function metal can also help reduce by using high work function metal (Au, Ag or Pt) as top contact, effectively reversing the polarity of the device [16].…”

Section: Introductionmentioning

confidence: 99%

Efficient inverted hybrid solar cells using both CuO and P3HT as an electron donor materials

Ikram

Imran

Nunzi

et al. 2015

J Mater Sci: Mater Electron

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Copper oxide (CuO) nanoparticles (\50 nm) were incorporated in the P3HT-poly(3-hexylthiophene): PCBM-[6,6]-phenyl-C61-butyric acid methyl ester bulk heterojunction organic solar cells. The ratio of P3HT to CuO in the blend was varied, while maintaining the fixed ratio of PCBM. The addition of CuO nanoparticles was found to significantly improve the power conversion efficiency in the P3HT:PCBM solar cells under AM 1.5 G and 100 mW/cm 2 irradiation. The mixing of CuO in the active layer widens the light absorption range and introduced a red shift in the absorption spectra. The CuO-conjugated active layer increased the surface roughness. The CuO nanoparticles agglomerated in the blend as their concentration relative to P3HT increased in the active layer.

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Section: Introductionmentioning

confidence: 99%

Efficient inverted hybrid solar cells using both CuO and P3HT as an electron donor materials

Ikram

Imran

Nunzi

et al. 2015

J Mater Sci: Mater Electron

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“…Vertically oriented TiO2 nanotube arrays on transparent, conducting fluorine doped tin oxide (FTO) coated glass substrates, has been utilised for the inverted cells, which are reported to enhance light absorption and charge collection capability compared to a thin layer of TiO 2 . The highest efficiency attained for this system under standard solar simulations is 4.1% [28], with other independent work reporting efficiencies of 2.7% [29], 2.5% [30] and 1.5% [31]. It has also been reported that inverted TiO 2 /P3HT:PCBM bulk heterojunction devices show improved stability against oxygen [32].…”

Section: Metal Oxide-organic Materials Pvsmentioning

confidence: 53%

Organic–Inorganic Solar Cells: Recent Developments and Outlook

Adikaari

Dissanayake

Silva

2010

IEEE J. Select. Topics Quantum Electron.

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Abstract-Solution processed photovoltaic devices are an attractive alternative to costly inorganic semiconductor based conventional photovoltaics. Solution processable organic photovoltaic systems are affected by low carrier mobility, lifetime issues under ambient conditions and limited optical absorption due to the high bandgaps of organic materials. Nanostructured inorganic materials promise to alleviate some of these drawbacks, by enabling the hybrid systems to perform better in a commercial perspective. This review examines four key areas of hybrid organic-inorganic photovoltaic systems. These are metal oxide-organic, carbon nanotube-organic, semiconductor nanowire-organic and semiconductor nanocrystal-organic systems, which are showing growing importance and potential in the literature. Recent advances in terms of device performance for these respective topics are reviewed, along with an outlook for each hybrid system.

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“…Due to the potential of low-cost, flexibility, light weight and compatibility with roll-to-roll fabrication, organic solar cells (OSCs) have attracted much research attention [1][2][3][4]. After continuous efforts in recent years, OSCs with power conversion efficiency (PCE) above 10%-12% have been achieved, based on the widely used bulk heterojunction (BHJ) of donor-accepter blend [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Low Temperature Aqueous Solution-Processed ZnO and Polyethylenimine Ethoxylated Cathode Buffer Bilayer for High Performance Flexible Inverted Organic Solar Cells

You

Zhang

et al. 2017

Energies

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]-phenyl-C 71 -butyric acid methyl ester (PTB-7:PC 71 BM) material systems. It is found that, compared with pure ZnO or PEIE cathode buffer layer (CBL), the proper combination of low-temperature processed ZnO and PEIE as the CBL enhanced the short circuit current density (J SC ), resulting in better device performance. The increased J SC results from the enhanced electron collection ability from the active layer to the cathode. By using the ZnO/PEIE CBL, a power conversion efficiency (PCE) as high as 4.04% for the P3HT:PC 61 BM flexible device and a PCE as high as 8.12% for the PTB-7:PC 71 BM flexible device are achieved, which are higher than the control devices with the pure ZnO CBL or pure PEIE CBL. The flexible inverted OSC also shows a superior mechanical property and it can keep 92.9% of its initial performance after 1000 bending cycles with a radius of 0.8 cm. These results suggest that the combination of the low temperature aqueous solution processed ZnO and PEIE can be a promising cathode buffer bilayer for flexible inverted OSCs.

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Hybrid inverted bulk heterojunction solar cells with nanoimprinted TiO2 nanopores

Cited by 73 publications

References 39 publications

Efficient inverted hybrid solar cells using both CuO and P3HT as an electron donor materials

Efficient inverted hybrid solar cells using both CuO and P3HT as an electron donor materials

Organic–Inorganic Solar Cells: Recent Developments and Outlook

Low Temperature Aqueous Solution-Processed ZnO and Polyethylenimine Ethoxylated Cathode Buffer Bilayer for High Performance Flexible Inverted Organic Solar Cells

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