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Passivated Perovskite Crystallization via g-C3N4 for High-Performance Solar Cells

, , , , , , , , and . Advanced Functional Materials, 28 (7): n/a--n/a (2018)
DOI: 10.1002/adfm.201705875

Abstract

Organometallic halide perovskite films with good surface morphology and large grain size are desirable for obtaining high-performance photovoltaic devices. However, defects and related trap sites are generated inevitably at grain boundaries and on surfaces of solution-processed polycrystalline perovskite films. Seeking facial and efficient methods to passivate the perovskite film for minimizing defect density is necessary for further improving the photovoltaic performance. Here, a convenient strategy is developed to improve perovskite crystallization by incorporating a 2D polymeric material of graphitic carbon nitride (g-C3N4) into the perovs…(more)

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onlinelibrary.wiley.com/doi/10.1002/adfm.201705875/epdf

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