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The name 'perovskite solar cell' is derived from the ABX 3 crystal structure of the absorber materials, which is referred to as perovskite structure.The most commonly studied perovskite absorber is methylammonium lead trihalide (CH 3 NH 3 PbX 3, where X is a halogen atom such as iodine, bromine or chlorine), with an optical bandgap between 1.5 and 2.3 eV depending on halide content.
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perovskite solar cells without a hole conductor achieved a power conversion ef ciency (PCE) of 10.85%. 2 2 2 6 I n a d d i tion, a fully printable mesoscopic perovskite solar cell using a porous carbon lm reportedly achieved 12.8% ef ciency. 27 This article presents an overview on perovskite solar cell structures without a HTM.
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Free standing flexible carbon electrode for highly efficient hole conductor free perovskite solar cells. A four point probe resistivity measurement system is employed to measure the sheet resistance of the carbon films, and the results are shown in Table 1.
perovskite solar cells Yaoguang Rong 1*, Yue Hu *,AnyiMei1,2*, Hairen Tan2,3, Makhsud I. Saidaminov2, Sang Il Seok4, Michael D. McGehee5, Edward H. Sargent2, Hongwei Han1 Perovskite solar cells (PSCs) have witnessed rapidly rising power conversion efficiencies, together with advances in stability and upscaling.
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In this study, we communicate an investigation on efficient CH3NH3PbI3 based solar cells with carbon electrode using mesoporous TiO2 and NiO layers as electron and hole selective contacts. The device possesses an appreciated power conversion efficiency of 14.9% under AM 1.5G illumination. The detailed information can be disclosed with impedance spectroscopy via tuning the interfaces between
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High performance carbon based printed perovskite solar cells with humidity assisted thermal treatment Syed Ghufran Hashmi a*, David Martineau b, M. Ibrahim Dar c, the carbon back electrodes was measured with a four probe measurement system (Hewlett Packard). For the time resolved photoluminescence studies, the spectrometer working in
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Nov 04, 2013·The fact that carbon black/graphite CE can prepared by screen printing permits the commercial production of high efficiency CH 3 NH 3 PbI 3 perovskite/TiO 2 heterojunction solar cells.
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