Yanan Wei

ORCID: 0009-0004-1517-115X
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About
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Research Areas
  • Conducting polymers and applications
  • Perovskite Materials and Applications
  • Organic Electronics and Photovoltaics
  • Supercapacitor Materials and Fabrication
  • Advanced battery technologies research
  • Metal-Organic Frameworks: Synthesis and Applications
  • Catalysis for Biomass Conversion
  • Advancements in Battery Materials
  • Nanomaterials for catalytic reactions
  • Catalysis and Hydrodesulfurization Studies
  • Crystallization and Solubility Studies
  • Advanced Battery Materials and Technologies
  • Quantum Dots Synthesis And Properties
  • Mesoporous Materials and Catalysis
  • Catalytic Processes in Materials Science
  • X-ray Diffraction in Crystallography
  • Energy Load and Power Forecasting
  • Photoreceptor and optogenetics research
  • Advanced Memory and Neural Computing
  • Electrocatalysts for Energy Conversion
  • Advanced Photocatalysis Techniques
  • Covalent Organic Framework Applications
  • Fuel Cells and Related Materials
  • Single-cell and spatial transcriptomics
  • Advanced ceramic materials synthesis

University of Chinese Academy of Sciences
2020-2025

Peking University People's Hospital
2017-2025

Peking University
2017-2025

Southwest University
2025

Beijing Normal University
2025

Southwest Hospital
2025

Army Medical University
2025

Hebei Medical University
2025

Fourth Hospital of Hebei Medical University
2025

Nanjing Tech University
2021-2024

The variation of the vertical component distribution can significantly influence photovoltaic performance organic solar cells (OSCs), mainly due to its impact on exciton dissociation and charge-carrier transport recombination. Herein, binary devices are fabricated via sequential deposition (SD) D18 L8-BO materials in a two-step process. Upon independently regulating spin-coating speeds each layer deposition, optimal SD device shows record power conversion efficiency (PCE) 19.05% for...

10.1002/adma.202204718 article EN Advanced Materials 2022-06-24

Abstract Noncovalently fused‐ring electron acceptors (NFREAs) have attracted much attention in recent years owing to their advantages of simple synthetic routes, high yields and low costs. However, the efficiencies NFREAs based organic solar cells (OSCs) are still far behind those (FREAs). Herein, a series with S⋅⋅⋅O noncovalent intramolecular interactions were designed synthesized two‐step route. Upon introducing π‐extended end‐groups into backbones, electronic properties, charge transport,...

10.1002/anie.202100390 article EN Angewandte Chemie International Edition 2021-03-22

Volatile solid additives (SADs) are considered as a simple yet effective approach to tune the film morphology for high-performance organic solar cells (OSCs). However, structural effects of SADs on photovoltaic performance still elusive. Herein, two volatilizable were designed and synthesized. One is SAD1 with twisted conformation, while other one planar SAD2 S···O noncovalent intramolecular interactions (NIIs). The theoretical experimental results revealed that smaller space occupation can...

10.1021/jacs.2c05303 article EN cc-by-nc-nd Journal of the American Chemical Society 2022-07-20

The large energy loss (Eloss ) is one of the main obstacles to further improve photovoltaic performance organic solar cells (OSCs), which closely related charge transfer (CT) state. Herein, ternary donor alloy strategy used precisely tune CT state (ECT and thus Eloss for boosting efficiency OSCs. elevated ECT in OSCs reduce generation (ΔECT ), promote hybridization between localized excitation nonradiative (ΔEnonrad ). Together with optimal morphology, afford an impressive power conversion...

10.1002/advs.202203606 article EN cc-by Advanced Science 2022-08-23

Abstract Side‐chain engineering is an effective strategy to regulate the solubility and packing behavior of organic materials. Recently, a unique strategy, so‐called terminal side‐chain (T‐SC) engineering, has attracted much attention in field solar cells (OSCs), but there lack deep understanding mechanism. Herein, new noncovalently fused‐ring electron acceptor (NFREA) containing two T‐SCs ( NoCA‐5 ) was designed synthesized. Introduction can enhance molecular rigidity intermolecular π–π...

10.1002/anie.202106753 article EN Angewandte Chemie International Edition 2021-06-01

Abstract The rapid advance of fused‐ring electron acceptors (FREAs) has greatly promoted the leap‐forward development organic solar cells (OSCs). However, synthetic complexity FREAs may be detrimental for future commercial applications. Recently, nonfused‐ring (NREAs) have been developed to a promising candidate maintain rational balance between cost and performance, which cores are composed simple fused rings (NREAs‐I) or nonfused (NREAs‐II). Moreover, “noncovalently conformational locks”,...

10.1002/adfm.202108861 article EN Advanced Functional Materials 2021-10-20

Abstract Organic photodetectors (OPDs) for near infrared (NIR) light detection represents cutting‐edge technology optical communication, environmental monitoring, biomedical imaging, and sensing. Herein, a series of self‐powered OPDs with high detectivity are constructed by the sequential deposition (SD) method. The dark currents ( J d ) SD devices effectively reduced in comparison to blend casting (BC) ones due vertical phase segregation structure. Impressively, values based on D18 Y6...

10.1002/adfm.202106326 article EN Advanced Functional Materials 2021-09-24

Photocorrosion of highly active photocatalysts is an urgent problem to be solved in the field photocatalysis; however, searching for effective strategies inhibiting photocorrosion still a grand challenge. Herein, we design and construct class Cu2O/2D PyTTA-TPA COFs (PyTTA: 1,3,6,8-Tetrakis(4-aminophenyl)pyrene, TPA: p-benzaldehyde) core/shell nanocubes greatly boost performance photocatalytic hydrogen evolution significantly inhibit photocorrosion. The optimal Cu2O/PyTTA-TPA exhibit...

10.1021/acsnano.3c00358 article EN ACS Nano 2023-03-07

Open AccessCCS ChemistryRESEARCH ARTICLES6 Jan 2023High-Efficiency and Low-Energy-Loss Organic Solar Cells Enabled by Tuning Conformations of Dimeric Electron Acceptors Xiaobin Gu, Yanan Wei, Na Yu, Jiawei Qiao, Ziyang Han, Qijie Lin, Xiao Jinhua Gao, Congqi Li, Jianqi Zhang, Xiaotao Hao, Zhixiang Zheng Tang, Yunhao Cai, Xin Zhang Hui Huang Gu Google Scholar More articles this author , Wei Yu Qiao Han Lin Gao Li Hao Tang Cai https://doi.org/10.31635/ccschem.023.202202575 SectionsSupplemental...

10.31635/ccschem.023.202202575 article EN CCS Chemistry 2023-01-06

Abstract High‐performance IR organic photodetectors (OPDs) are of great significance for wireless optical communication, light detection and ranging (LiDAR) technology, wearable electronics. However, high dark current low responsivity ( R ) hinder their future commercial application. Herein, fullerene non‐fullerene acceptors‐based OPDs fabricated to understand the relationship between trap density photo‐responsivity. Impressively, system...

10.1002/adfm.202301167 article EN Advanced Functional Materials 2023-03-16

The development of high-efficiency thickness-insensitive organic solar cells (OSCs) is crucially important for the mass production panels. However, increasing active layer thickness usually induces a substantial loss in efficiency. Herein, ternary strategy which an oligomer DY-TF incorporated into PM6:L8-BO system as guest component adopted to break this dilemma. S···F intramolecular noncovalent interactions backbone endow with high planarity. Upon addition DY-TF, crystallinity blend...

10.1002/adma.202304225 article EN Advanced Materials 2023-09-18

Abstract High performance organic solar cells (OSCs) are usually realized by using post‐treatment and/or additive, which can induce the formation of metastable morphology, leading to unfavorable device stability. In terms industrial production, development high efficiency as‐cast OSCs is crucially important, but it remains a great challenge obtain appropriate active layer morphology and power conversion (PCE). Here, efficient constructed via introducing new polymer acceptor PY‐TPT with...

10.1002/adma.202403294 article EN Advanced Materials 2024-04-24

Abstract Owing to their excellent physical and electrical properties, metal–organic framework (MOF) materials with well‐defined supramolecular structures have received extensive research attention. However, the fabrication of large‐area two‐dimensional (2D) MOF films is still a significant challenge. Herein, we propose novel electrochemical (EC) synthesis method for preparation Cu 3 (HHTP) 2 film on single‐crystal (100) anode. The surface reaction was achieved via charge‐induced molecular...

10.1002/anie.202012971 article EN Angewandte Chemie International Edition 2020-12-10

Abstract The preparation of large‐area 2D conductive metal–organic framework (MOF) films remains highly desirable but challenging. Here, inspired by the capillary phenomenon, a face‐to‐face confinement growth method to grow Cu 2 (TCPP) (TCPP = meso‐tetra(4‐carboxyphenyl)porphine) MOF on dielectric substrates is developed. Trace amounts solutions containing low‐concentration 2+ and TCPP are pumped cyclically into micropore interface produce this growth. crystal structures confirmed with...

10.1002/adma.202007741 article EN Advanced Materials 2021-02-17

Quantitative relationship between the protective factor (<italic>δ</italic>) and PCE of stacked structures OSC with a record 17.52% is proposed to understand mechanism provide guideline for solvent choices eco-friendly protection method.

10.1039/d0ee03490h article EN Energy & Environmental Science 2021-01-01

Abstract 2D metal‐organic framework (MOF) film as the active layer show promising application prospects in various fields including sensors, catalysis, and electronic devices. However, exploring of MOF field artificial synapses has not been implemented yet. In this work, we fabricated a novel (Cu‐THPP, THPP=5,10,15,20‐Tetrakis(4‐hydroxyphenyl)‐21 H ,23 ‐porphine), further used it an to explore simulation human brain synapses. It shows excellent light‐stimulated synaptic plasticity...

10.1002/anie.202106519 article EN Angewandte Chemie International Edition 2021-06-03
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