Hole collecting SAM Formation Reagents to Enhance Solar cell performance
Tokyo Chemical Industry (India) Pvt. Ltd
Moving Your Chemistry Forward
The PACz series was developed by Getautis and Albrecht et al. as a hole-selective layer suitable for p-i-n ("inverted") architecture perovskite solar cells. Hole-selective self-assembled monolayers (SAMs) can be formed on transparent electrodes such as ITO owing to phosphonic acid anchors of PACzs that form covalent bonds on the metal oxide surface. Both spin-coating and dip-coating methods are effective for fabricating PACz SAMs. PACz SAMs have been reported to achieve effective hole extraction and small density of trap states, and thus achieve higher power conversion efficiency (PCE) and stability compared to cells using PTAA (= poly[bis(4-phenyl) (2,4,6-trime-thylphenyl)amine]), which is commonly used in p-i-n type cells.?
3PATAT-C3 is a hole-collecting SAM forming material developed by Wakamiya?et al. The planar π-structure and three phosphonic acid anchors enable the formation of SAMs oriented face-on to the substrate. This is expected to lead to efficient charge collection.?
TCI offers the PACz series and 3PATAT-C3 in our catalog. Please feel free to inquire for bulk supply options.?
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The 2PACz and 4PACz series are covered by a joint patent pending (PCT/EP2019/060586) of Helmholtz Zentrum Berlin für Materialien und Energie GmbH, Germany and Kaunas University of Technology, Lithuania. TCI has been granted the right to manufacture and sell these materials.??
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3PATAT-C3 is commercialized under the instruction of Professor Atsushi Wakamiya, and under an invention license by EneCoat Technologies Co., Ltd.?