A5089147530- Perovskite Materials and Applications
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Organic Electronics and Photovoltaics
- Technostress in Professional Settings
- Conducting polymers and applications
- Semiconductor materials and devices
University of Science and Technology of China
2023-2024
Hefei National Center for Physical Sciences at Nanoscale
2023
Inserting an ultrathin low-conductivity interlayer between the absorber and transport layer has emerged as important strategy for reducing surface recombination in best perovskite solar cells. However, a challenge with this approach is trade-off open-circuit voltage (Voc) fill factor (FF). Here, we overcame by introducing thick (about 100 nanometers) insulator random nanoscale openings. We performed drift-diffusion simulations cells porous contact (PIC) realized it using solution process...
Abstract Conventional perovskite solar cells (PSC) built on transparent conductive oxide (TCO) glass face a fundamental challenge to retain fill factor (FF) for large‐area upscaling due series resistance loss. Building cell metal has the potential reduce this FF loss and is promising flexible applications. However, their efficiency stability lag far behind TCO counterparts. Herein, findings complex chemical reactions degradation‐promoting processes at different perovskite/metal (Cu, Au, Ag,...
Abstract Including an ultrathin insulator interlayer at the perovskite/charge transport interface is a critical strategy for suppressing surface recombination in state‐of‐the‐art perovskite solar cells. However, its further improvement with increased thickness faces trade‐off due to exponentially inhibited electrical transport. Here, patterned contact (PIC) design presented overcome this passivation‐transport where conventional replaced by thicker counterpart local openings. Such PIC...
Abstract Perovskite tandem solar cells on textured silicon hold potential for surpassing single‐junction limits and industrial compatibility. However, integrating hole‐transporting layers (HTLs) onto poses challenges in conformal coating, low‐temperature fabrication, perovskite solution process Here, an atomic layer deposition (ALD) copper‐doping is introduced to fabricate NiO x HTLs (ALD Cu:NiO ), tailored tandems. Copper‐doping reduces hydroxyl group content Ni 3+ defects, addressing the...
Hybrid sequential deposition (HSD) of perovskite thin films is highly desirable for constructing tandem solar cells on textured silicon substrates. However, in the second step HSD, where inorganic and organic bilayers undergo thermal interdiffusion to form perovskite, performance often limited by need a very dry environment (inert gas atmosphere or air with relative humidity below 10%) incomplete reactions throughout film thickness. Here, we demonstrate longitudinal homogenized intermediate...