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Ossila材料PC70BM Ossila材料C70-PCBM

Ossila材料PC70BM Ossila材料C70-PCBM
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供應數(shù)量:
1553
發(fā)布日期:
2025/3/24
有效日期:
2025/9/24
原 產(chǎn) 地:
英國
已獲點擊:
1553
產(chǎn)品報價:
  [詳細資料]

只用于動物實驗研究等

General Information

Full name[6,6]-Phenyl-C71-butyric acid methyl ester
SynonymsC70 PCBM, PC71BM, [70]PCBM
Chemical formulaC82H14O2
CAS number609771-63-3
HOMO / LUMOHOMO = -5.9 eV, LUMO = -3.9 eV
Molecular weight1031 g/mol
Classification / Family

Fullerenes, Organic semiconducting materials, Organic Photovoltaics, Polymer Solar Cells, Perovskite Solar cells, Electron transport layer materials

 

Applications

PC70BM is a fullerene electron acceptor commonly used in the most efficient organic photovoltaic devices. The non-symmetrical C70 cage of PC70BM enables energetic transitions that are forbidden in C60, improving the absorption characteristics over PC60BM for the visible range of the solar spectrum [1]. This allows increased photon harvesting, and a potentially higher photocurrent for devices using PC70BM rather than PC60BM. The 95% purity PC70BM is recommended for general applications, and has produced power conversion efficiencies of over 9% in our own laboratories when mixed with a low bandgap polymeric donor, while the 99% PC70BM is recommended where ultimate performance is required.

The energy levels and good electron mobility of PC70BM enable it to be used as an electron transport layer in perovskite solar cells. In our laboratories, we have achieved a PCE approaching 12% using PC70BM in CH3NH3PbI3-xClx perovskite solar cells (more details can be found in fabrication guide).

 

Literature and Reviews

  1. Influence of PC60BM or PC70BM as electron acceptor on the performance of polymer solar cells, F. Zhang et al., Sol. Energy Mater. Sol. Cells, 97 (2012), 71–77; DOI: 10.1016/j.solmat.2011.09.006.
  2. Efficient planar heterojunction mixed-halide perovskite solar cells deposited via spray-deposition, A. T. Barrows et al., Energy Environ. Sci., 7 (2014), 2944–2950; DOI: 10.1039/C4EE01546K.

To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.

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