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Perovskite-Silicon Tandem Cells Utilizing a Semi-Transparent Silver Nanowire Composite Electrode

机译:利用半透明银纳米线复合电极的钙钛矿 - 硅串联细胞

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We have utilised a semi-transparent composite silver nanowire electrode which can be deposited using a spray or spin coating technique. The layer has a sheet resistance of 40 Ω/□ with broad spectral transmission exceeding 70%. This was employed as the top contact in a meso-TiO_2/Perovskite/Spiro-OMeTAD architecture cell. The bandgap of the perovskite layer was tuned using Br~- substitution to give a slightly wider, more optimal bandgap for silicon tandem cell application. This has allowed us to produce semi-transparent perovskite cells with a PCE of 12% for a 1 cm~2 active area. A series connected 4-terminal tandem has a V_(oc) of over 1.5 V.
机译:我们利用半透明复合银纳米线电极,其可以使用喷雾或旋涂技术沉积。该层的薄层电阻为40Ω/□,具有超过70%的广谱传输。这是在Meso-TiO_2 / Perovskite / Spiro-Ometad架构单元中的顶部接触。使用BR〜替换进行钙钛矿层的带隙,以使硅串联电池应用略宽,更优化的带隙。这使我们能够生产半透明的钙钛矿细胞,PCE为1cm〜2有源区域的PCE为12%。连接的4端子串联串联串联频率超过1.5 V.

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