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Bathocuproine (BCP) is a wide-band-gap material and has a high electron affinity. When it is embedded into organic electronic devices, bathocuproine acts as an exciton-blocking barrier which prohibits exciton diffusion process towards the Al electrode otherwise being quenched. One of the most commonly used buffer layer between acceptor and cathode layers is bathocuproine. The introduction of the buffer layer can greatly improve the PCE of polymer organic solar cells. BCP is one of the most popular hole-blocking layer materials that is used in organic electronics, including perovskite solar cells.
It was demonstrated that a BCP buffer layer reduces nonradiative recombination of excitons at the C60 –Al interface. Its most important function is to establish an Ohmic contact between the C60 film and the Al electrode in photovoltaic devices .
Detailed analysis of bathocuproine layer for organic solar cells based on copper phthalocyanine and C60, J. Huang et al., J. Appl. Phys., 105, 073105 (2009)
On the Role of Bathocuproine in Organic Photovoltaic Cells, H. Gommans et al., Adv. Funct. Mater., 18, 3686-3691 (2008)
A Blue Organic Light Emitting Diode, Y. Kijima et al., J. Appl. Phys., 38, 5274-5277 (1999)
On the function of a bathocuproine buffer layer in organic photovoltaic cells, M. Vogel et al., Appl. Phys. Lett., 89, 163501 (2006).
Improved color stability in white phosphorescent organic light-emitting diodes using charge confining structure without interlayer, S-H. Kim et al., Appl. Phys. Lett. 91, 123509 (2007); http://dx.doi.org/10.1063/1.2786853.
High efficiency white organic light-emitting devices by effectively controlling exciton recombination region, F. Guo et al., Semicond. Sci. Technol. 20, 310–313 (2005).
White organic light-emitting devices based on novel (E)-2-(4-(diphenylamino) styryl)quinolato zinc as a hole- transporting emitter, G. Ding et al., Semicond. Sci. Technol. 24, 025016 (2009); stacks.iop.org/SST/24/025016.
High-efficiency red electroluminescence from a narrow recombination zone confined by an organic double heterostructure, Z. Xie et al., Appl. Phys. Lett., 79, 1048 (2001); doi: 10.1063/1.1390479.
Efficient electrophosphorescence using a doped ambipolar conductive molecular organic thin film, C. Adachi et aL., Org. Electronics, 2(1), 37-43 (2001), doi:10.1016/S1566-1199(01)00010-6.
Matching Charge Extraction Contact for Wide-Bandgap Perovskite Solar Cells, Y. Lin et al., adv. Mater., 1700607 (2017); DOI: 10.1002/adma.201700607.
Role of bathocuproine as hole-blocking and electron-transporting layer in organic light emitting devices, R.Tomova et al., Phys. Status Solidi. C, 7, 3–4, 992–995 (2010); DOI: 10.1002/pssc.200982725.
To the best of our knowledge the information provided here is accurate. However, Ossila assume no liability for the accuracy of this page. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. All products are for laboratory and research and development use only, and may not be used for any other purpose including health care, pharmaceuticals, cosmetics, food or commercial applications.