Search results for: Chenyang Zhang

Items from 1 to 20 out of 115 results

article

Non‐Fullerene Organic Electron Transport Materials toward Stable and Efficient Inverted Perovskite Photovoltaics

Han Wang, Chenyang Zhang, Yiguo Yao, Caidong Cheng, more

Small > 20 > 43 > n/a - n/a

Inverted perovskite solar cells (PSCs) attract continuing interest due to their low processing temperature, suppressed hysteresis, and compatibility with tandem cells. Considerable progress has been made with reported power conversion efficiency (PCE) surpassing 26%. Electron transport Materials (ETMs) play a critical role in achieving high‐performance PSCs because they not only govern electron extraction...

article

Analysis on pulse rate variability for pilot workload assessment based on wearable sensor

Yunbiao Wang, Chenyang Zhang, Chenglin Liu, Kun Liu, more

Human Factors and Ergonomics in Manufacturing & Service Industries > 34 > 6 > 635 - 648

The workload levels of pilots directly affect their flight performance and the safety of the whole flight. To explore the real‐time workload of pilots in different flight phases (takeoff, cruise, and landing), this paper leveraged National Aeronautics and Space Administration Task Load Index (NASA‐TLX), a subjective evaluation scale, and PhotoPlethysmoGraphy (PPG) signals of 21 participants using...

article

Photoinduced C(sp³)−H Bicyclopentylation Enabled by an Electron Donor–Acceptor Complex‐Mediated Chemoselective Three‐Component Radical Relay

Xiaobo Dang, Zhixuan Li, Jinlong Shang, Chenyang Zhang, more

Angewandte Chemie International Edition > 63 > 39 > n/a - n/a

The photoredox electron donor–acceptor (EDA) complex‐mediated radical coupling reaction has gained prominence in the field of organic synthesis, finding widespread application in two‐component coupling reactions. However, EDA complex‐promoted multi‐component reactions are not well developed with only a limited number of examples have been reported. Herein, we report a photoinduced and EDA complex‐promoted...

article

Photoinduced C(sp³)−H Bicyclopentylation Enabled by an Electron Donor–Acceptor Complex‐Mediated Chemoselective Three‐Component Radical Relay

Xiaobo Dang, Zhixuan Li, Jinlong Shang, Chenyang Zhang, more

Angewandte Chemie > 136 > 39 > n/a - n/a

article

An Indacenodithienothiophene‐Based Wide Bandgap Small Molecule Guest for Efficient and Stable Ternary Organic Solar Cells

Chenyang Zhang, Han Wang, Xiaokang Sun, Xiuzun Zhong, more

Small > 20 > 34 > n/a - n/a

The strategic and logical development of the third component (guest materials) plays a pivotal and intricate role in improving the efficiency and stability of ternary organic solar cells (OSCs). In this study, a novel guest material with a wide bandgap, named IDTR, is designed, synthesized, and incorporated as the third component. IDTR exhibits complementary absorption characteristics and cascade...

article

Hofmeister Effects in Supramolecular Chemistry for Anion‐Modulation to Stabilize Zn Anode

Guoqun Zhang, Lulu Fu, Yuan Chen, Kun Fan, more

Advanced Materials > 36 > 33 > n/a - n/a

Aqueous Zn‐ion batteries (AZIBs) are considered as promising candidates for the next‐generation large‐scale energy storage, which, however, is facing the challenge of instable Zn anodes. The anion is pivotal in the stability of anodes, which are not being paid enough attention to. Herein, the modulation of anions is reported using the Hofmeister series in supramolecular chemistry to boost the stability...

article

P‐167: A simulation model for charged particle motion in INK system

Xiaorong Cui, Haoliang Zheng, Li Xiao, Yuzhen Guo, more

SID Symposium Digest of Technical Papers > 55 > 1 > 2022 - 2025

This paper provides a simulation model for the electronic paper display device, the model can quickly and efficiently simulate the initial steady state of the electronic ink system, thus improving the efficiency of device development. It mainly includes the following contents: Obtaining the parameters of the model, then the built‐in electric field strength is calculated through the model parameter...

article

Tuning Surface Potential Polarization to Enhance N₂ Affinity for Ammonia Electrosynthesis

Hongbo Wang, Chenyang Zhang, Boling Liu, Wenqing Li, more

Advanced Materials > 36 > 24 > n/a - n/a

Electrocatalytic N₂ reduction reaction (NRR) to synthesize ammonia is a sustainable reaction that is expected to replace Haber Bosch process. Laminated Bi₂WO₆ has great potential as an NRR electrocatalyst, however, the effective activity requires that the inert substrate is fully activated. Here, for the first time, success is achieved in activating the Bi₂WO₆ basal planes with NRR activity through...

article

Process optimization and performance verification of CFRP laser surface modification

Shaolong Li, Wenxuan Wang, Lin Wang, Zihao Li, more

Polymer Composites > 45 > 8 > 7284 - 7300

Adhesive bonding has gradually replaced mechanical connections as the primary method for composite material bonding, with surface quality being the key factor determining the effectiveness of composite material adhesion. Laser surface treatment, known for its green and precise characteristics, has garnered widespread attention from both academia and industry. However, the process parameters of laser...

article

Heterostructured BN@Co‐C@C Endowing Polyester Composites Excellent Thermal Conductivity and Microwave Absorption at C Band

Xiao Zhong, Mukun He, Chenyang Zhang, Yongqiang Guo, more

Advanced Functional Materials > 34 > 19 > n/a - n/a

The trends of miniaturization, lightweight, and high integration in electronics have brought serious issues in heat dissipation and electromagnetic compatibility and also limited the simultaneous use of thermally conductive and microwave absorption materials. Therefore, it is imperative to design materials that possess those dual functions. In this work, one‐pot method is used to anchor zeolitic imidazolate...

article

Manipulation of the Self‐Assembly Morphology by Side‐Chain Engineering of Quinoxaline‐Substituted Organic Photothermal Molecules for Highly Efficient Solar‐Thermal Conversion and Applications

Jing Li, Luoqing Wang, Chenyang Zhang, Han Wang, more

Angewandte Chemie International Edition > 63 > 20 > n/a - n/a

Organic photothermal materials have attracted increasing attention because of their structural diversity, flexibility, and compatibility. However, their energy conversion efficiency is limited owing to the narrow absorption spectrum, strong reflection/transmittance, and insufficient nonradiative decay. In this study, two quinoxaline‐based D–A‐D–A‐D‐type molecules with ethyl (BQE) or carboxylate (BQC)...

article

Manipulation of the Self‐Assembly Morphology by Side‐Chain Engineering of Quinoxaline‐Substituted Organic Photothermal Molecules for Highly Efficient Solar‐Thermal Conversion and Applications

Jing Li, Luoqing Wang, Chenyang Zhang, Han Wang, more

Angewandte Chemie > 136 > 20 > n/a - n/a

article

A donor–acceptor (D–A) conjugated polymer for fast storage of anions

Manli Fu, Yuan Chen, Weihao Jin, Huichao Dai, more

Angewandte Chemie International Edition > 63 > 5 > n/a - n/a

Organic electrode materials have attracted a lot interest in batteries in recent years. However, most of them still suffer from low performance such as low electrode potential, slow reaction kinetics, and short cycle life. In this work, we report a strategy of fabricating donor–acceptor (D–A) conjugated polymers for facilitating the charge transfer and therefore accelerating the reaction kinetics...

article

A donor–acceptor (D–A) conjugated polymer for fast storage of anions

Manli Fu, Yuan Chen, Weihao Jin, Huichao Dai, more

Angewandte Chemie > 136 > 5 > n/a - n/a

article

Synthesis, acaricidal activity, and structure–activity relationships of novel phenyl trifluoroethyl thioether derivatives containing substituted benzyl groups

Dongdong Liu, Jing Zhang, Yixing Gao, Haijing Hao, more

Pest Management Science > 80 > 2 > 544 - 553

BACKGROUND To discover and develop novel acaricidal compounds, a series of 2‐fluoro‐4‐methyl/chlorine‐5‐((2,2,2‐trifluoroethyl)thio)aniline/phenol compounds containing N/O‐benzyl moieties were synthesized based on lead compound LZ‐1. RESULTS The activity of these compounds against carmine spider mites (Tetranychus cinnabarinus) was determined using the leaf‐spray method. Bioassays indicated that...

article

Ternary Organic Solar Cells with Power Conversion Efficiency Approaching 15% by Fine‐Selecting the Third Component

Meijia Chang, Chenyang Zhang, Na Li, Cong Wang, more

Macromolecular Rapid Communications > 44 > 20 > n/a - n/a

Nonfullerene acceptors with mediate bandgap play a crucial role in ternary devices as the third component, further boosting the performance of organic solar cells (OSCs). Herein, three F‐series acceptors (F‐H, F‐Cl, and F‐2Cl) with mediate bandgap are selected and introduced into the PM6:BDT‐Br binary system as third component to find the detailed influence of end groups with chlorine (Cl) atom substitution...

article

A Novel Hexaazatriphenylene Carboxylate with Compatible Binder as Anode for High‐Performance Organic Potassium‐Ion Batteries

Jincheng Zou, Cheng Fu, Yong Zhang, Kun Fan, more

Advanced Functional Materials > 33 > 38 > n/a - n/a

Organic electrode materials have attracted tremendous attention for potassium‐ion batteries (PIBs). Whereas, high‐performance anodes are scarcely reported. Herein, a novel hexaazatriphenylene potassium carboxylate (HAT‐COOK) is proposed as anode materials for PIBs. The rich CN/CO bonds guarantee the high theoretical capacity. It is also demonstrated HAT‐COOK is more compatible with the water‐soluble...

article

4‐4: High PPI MicroLED display driver circuit and device structure

Jiao Zhao, Meng Zhao, Yuzhen Guo, Li Xiao, more

SID Symposium Digest of Technical Papers > 54 > 1 > 29 - 31

This paper proposes a new type of display driver circuit and TFT device structure, studies the brightness control technology of high PPI Micro LED display, uses the inverter PWM driver module loaded in the traditional internal compensation driver circuit, when the low gray scale display, By triggering PWM module, the PWM is used to further divide the low gray scale under PAM mode again, so as to increase the gray level. Meanwhile, the introduction of Micro LED reverse NMOS and PMOS laminator TFT increases the PPI from 233 to 314 retinal level. Realized the Micro LED HD display and low brightness controllable demand.

article

Do not ignore the effects of phosphorus and potassium addition on microbial carbon use efficiency

Chenyang Zhang, Liyang Sun, Yichao Rui, Yue Li, more

Global Change Biology > 29 > 17 > 4703 - 4705

P or PK addition significantly affected microbial CUE. No significant linear correlation between respiration rates and microbial CUE under N addition when NP and NPK addition were excluded.

article

18.9% Efficiency Ternary Organic Solar Cells Enabled by Isomerization Engineering of Chlorine‐Substitution on Small Molecule Donors

Chenyang Zhang, Jing Li, Wanyuan Deng, Junpeng Dai, more

Advanced Functional Materials > 33 > 30 > n/a - n/a

Ternary organic solar cells (OSCs) represent an efficient and facile strategy to further boost the device performance. However, the selection criteria and rational design of the third guest small molecule (SM) material still remain less understood. In this study, two new SM donor isomers, with α‐chlorinated thiophene (αBTCl) and β‐chlorinated thiophene (βBTCl) as side chains, are systematically designed,...

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INFONA - science communication portal

Search results for: Chenyang Zhang

Non‐Fullerene Organic Electron Transport Materials toward Stable and Efficient Inverted Perovskite Photovoltaics

Analysis on pulse rate variability for pilot workload assessment based on wearable sensor

Photoinduced C(sp³)−H Bicyclopentylation Enabled by an Electron Donor–Acceptor Complex‐Mediated Chemoselective Three‐Component Radical Relay

Photoinduced C(sp³)−H Bicyclopentylation Enabled by an Electron Donor–Acceptor Complex‐Mediated Chemoselective Three‐Component Radical Relay

An Indacenodithienothiophene‐Based Wide Bandgap Small Molecule Guest for Efficient and Stable Ternary Organic Solar Cells

Hofmeister Effects in Supramolecular Chemistry for Anion‐Modulation to Stabilize Zn Anode

P‐167: A simulation model for charged particle motion in INK system

Tuning Surface Potential Polarization to Enhance N₂ Affinity for Ammonia Electrosynthesis

Process optimization and performance verification of CFRP laser surface modification

Heterostructured BN@Co‐C@C Endowing Polyester Composites Excellent Thermal Conductivity and Microwave Absorption at C Band

Manipulation of the Self‐Assembly Morphology by Side‐Chain Engineering of Quinoxaline‐Substituted Organic Photothermal Molecules for Highly Efficient Solar‐Thermal Conversion and Applications

Manipulation of the Self‐Assembly Morphology by Side‐Chain Engineering of Quinoxaline‐Substituted Organic Photothermal Molecules for Highly Efficient Solar‐Thermal Conversion and Applications

A donor–acceptor (D–A) conjugated polymer for fast storage of anions

A donor–acceptor (D–A) conjugated polymer for fast storage of anions

Synthesis, acaricidal activity, and structure–activity relationships of novel phenyl trifluoroethyl thioether derivatives containing substituted benzyl groups

Ternary Organic Solar Cells with Power Conversion Efficiency Approaching 15% by Fine‐Selecting the Third Component

A Novel Hexaazatriphenylene Carboxylate with Compatible Binder as Anode for High‐Performance Organic Potassium‐Ion Batteries

4‐4: High PPI MicroLED display driver circuit and device structure

Do not ignore the effects of phosphorus and potassium addition on microbial carbon use efficiency

18.9% Efficiency Ternary Organic Solar Cells Enabled by Isomerization Engineering of Chlorine‐Substitution on Small Molecule Donors

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