Jifeng Zhai

ORCID: 0000-0002-8018-7981
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About
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Research Areas
  • Conducting polymers and applications
  • Perovskite Materials and Applications
  • TiO2 Photocatalysis and Solar Cells
  • Advanced Photocatalysis Techniques
  • Quantum Dots Synthesis And Properties
  • Organic Electronics and Photovoltaics
  • ZnO doping and properties
  • Organic Light-Emitting Diodes Research
  • Advanced Sensor and Energy Harvesting Materials
  • Supercapacitor Materials and Fabrication
  • Advanced Nanomaterials in Catalysis
  • Electrospun Nanofibers in Biomedical Applications
  • Innovative Educational Techniques
  • Educational Reforms and Innovations
  • Fiber-reinforced polymer composites
  • Advanced Thermoelectric Materials and Devices

Zhejiang Sci-Tech University
2017-2025

Changchun Normal University
2012

Chinese Academy of Sciences
2003

Nickel oxide (NiO) materials with excellent stability and favorable energy bands are desirable candidates for hole-selective contact (HSC) of inverted perovskite solar cell (PSC). However, studies that focus on addressing interfacial issues, which induced by the poor NiO/perovskite or other defects, scarce. In this study, a facile one-step hydrothermal strategy is demonstrated development 3 D NiO nanowall (NW) film as promising HSC. The new NWs HSC exhibits robust homogenous mesoporous...

10.1002/cssc.201903025 article EN ChemSusChem 2020-01-03

Inverted perovskite solar cells (PSCs) demonstrate attractive features in developing an air-stable photovoltaic device, by employing inorganic hole transport layers (HTLs). However, their power conversion efficiencies are still inferior to that of mesoporous n-i-p devices, mainly attributed the undesirable extraction and interfacial recombination loss. Here, we design a novel one-dimensional NiO nanotube (NT) nanoforest as efficient HTLs. Such NT structure provides highly conductive pathway...

10.1021/acsami.9b15820 article EN ACS Applied Materials & Interfaces 2019-11-05

Abstract An efficient hole transport layer (HTL) with desirable charge separation and extraction efficiency is crucial for inverted perovskite solar cells. However, the interfacial trap recombination loss mismatched band alignment limit actual performance of device, especially open‐circuit voltage ( V OC ). To address this issue, a unique NiO x /carbon heterostructure designed as anode interlayer optimizing dynamics between HTL perovskite. Such buffer can significantly contribute to improved...

10.1002/admi.202100862 article EN Advanced Materials Interfaces 2021-09-13

Feasible production process and excellent device stability are significant prerequisites for the practical application of perovskite solar cells (PSCs). Herein, a systemic strategy is developed to fabricate stable, minimalist PSCs without conventional electron/hole transport layer. The engineering carried out by surface modification fluorine-doped tin oxide (FTO) substrate incorporation film with NiO nanoparticles (NPs). Notably, can impart an unexpected porous structure FTO substrate,...

10.1021/acsami.8b21692 article EN ACS Applied Materials & Interfaces 2019-02-28

Metal halide perovskite solar cells (PSCs) possess huge potential due to their high power conversion efficiency. However, instability is still a key factor limiting applications. Therefore, we have found feasible strategy improve the light stability of PSCs. Specifically, core-shell material with silicon nanosphere core and nickel oxide nanosheet shell serves as hole transport layer in our Due selective absorption ultraviolet by nanoparticles, content natural that reaches reduced. Compared...

10.1039/d3cp00678f article EN Physical Chemistry Chemical Physics 2023-01-01
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