Stable Large‐Area (10 × 10 cm 2 ) Printable Mesoscopic Perovskite Module Exceeding 10% Efficiency
2017; Wiley; Volume: 1; Issue: 2 Linguagem: Inglês
10.1002/solr.201600019
ISSN2367-198X
AutoresYue Hu, Si Si, Anyi Mei, Yaoguang Rong, Huawei Liu, Xiong Li, Hongwei Han,
Tópico(s)Quantum Dots Synthesis And Properties
ResumoThe commercial manufacturing of perovskite solar modules (PSM) suffers from stability concerns and scalability issues. We demonstrate a hole‐conductor‐free printable solar module embodiment, which employs a triple layer of mesoporous TiO 2 /ZrO 2 /carbon as scaffold, and is infiltrated by a mixed cation lead halide perovskite (5‐AVA) x (MA) 1−x PbI 3 as a light harvester. Here, hole conductor or Au reflector are not employed, and instead, the back contact comprises simply a printed carbon layer. Upon optimizing the thickness alignment of the triple mesoscopic layer and the design of the active area, the unit cell shows 14.02% power conversion efficiency (PCE) under 100 mW cm −2 condition, while a larger area of 10 serially connected cells module (10 × 10 cm 2 ), shows a 10.4% PCE on an active area of 49 cm 2 . Light‐soaking stability of 1000 h has been demonstrated, as well as local outdoor stability of 1 month and a shelf‐life stability of over 1 year. This paves the way for the realization of efficient and stable large‐area PSMs for industrial deployment.
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