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High‐quality perovskite absorption layer is the fundamental basis for efficient and stable perovskite solar cells (PSCs). Due to the ionic nature of perovskite components, plentiful charged defects and suspension bonds remain on the surface of perovskite grains after continuous high‐temperature annealing. Here, the complex initiated by the introduction of a multifunctional imidazolidinyl urea (IU)...
Considering the direct influence of substrate surface nature on perovskite (PVK) film growth, buried interfacial engineering is crucial to obtain ideal perovskite solar cells (PSCs). Herein, 1‐(3‐aminopropyl)‐imidazole (API) is introduced at polytriarylamine (PTAA)/PVK interface to modulate the bottom property of PVK. First, the introduction of API improves the growth of PVK grains and reduces the...
Spiral cores are crucial for designing efficient hole transporting materials (HTMs) for perovskite solar cells (PSCs), owing to their no‐planar 3D architecture, high thermal stability, good solubility, and beneficial solid‐state morphology. A lack of facile synthetic procedures for the spiral core limited the development of novel and stable spiral HTMs. In this regard, a one‐step reaction is adopted...
Nanopore brings extraordinary properties for a variety of potential applications in various industrial sectors. Since manufacturing of solid‐state nanopore is first reported in 2001, solid‐state nanopore has become a hot topic in the recent years. An increasing number of manufacturing methods have been reported, with continuously decreased sizes from hundreds of nanometers at the beginning to ≈1 nm...
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