Jianhua Chen

ORCID: 0000-0002-4767-6310
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About
Contact & Profiles
Research Areas
  • Conducting polymers and applications
  • Organic Electronics and Photovoltaics
  • Perovskite Materials and Applications
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Organic Light-Emitting Diodes Research
  • Polymer crystallization and properties
  • Luminescence and Fluorescent Materials
  • Synthesis and properties of polymers
  • Advanced Sensor and Energy Harvesting Materials
  • Molecular Junctions and Nanostructures
  • Chinese history and philosophy
  • Electrochemical sensors and biosensors
  • Combustion and Detonation Processes
  • Photonic and Optical Devices
  • Cardiovascular Health and Disease Prevention
  • Photoacoustic and Ultrasonic Imaging
  • Electrochemical Analysis and Applications
  • Advancements in Battery Materials
  • Geophysics and Gravity Measurements
  • Ultrasound Imaging and Elastography
  • Silicone and Siloxane Chemistry
  • Sparse and Compressive Sensing Techniques
  • Wireless Communication Security Techniques
  • Lung Cancer Treatments and Mutations

Northwestern University
2019-2025

Yunnan University
2016-2025

Hunan Cancer Hospital
2020-2025

Sichuan University
2011-2025

Ministry of Agriculture and Rural Affairs
2024-2025

Gansu Agricultural University
2025

Fudan University Shanghai Cancer Center
2025

Zhangzhou Normal University
2013-2024

Southwest University
2023-2024

Guangxi University
2024

As a key component in perovskite solar cells (PVSCs), hole-transporting materials (HTMs) have been extensively explored and studied. Aiming to meet the requirements for future commercialization of PVSCs, HTMs which can enable excellent device performance with low cost eco-friendly processability are urgently needed but rarely reported. In this work, traditional anchoring group (2-cyanoacrylic acid) widely used molecules dye-sensitized is incorporated into donor-acceptor-type afford...

10.1021/jacs.0c06373 article EN Journal of the American Chemical Society 2020-08-27

Abstract Organic electrochemical transistors (OECTs) and OECT-based circuitry offer great potential in bioelectronics, wearable electronics artificial neuromorphic because of their exceptionally low driving voltages (<1 V), power consumption µW), high transconductances (>10 mS) biocompatibility 1–5 . However, the successful realization critical complementary logic OECTs is currently limited by temporal and/or operational instability, slow redox processes switching, incompatibility with...

10.1038/s41586-022-05592-2 article EN cc-by Nature 2023-01-18

Human perception systems are highly refined, relying on an adaptive, plastic, and event-driven network of sensory neurons. Drawing inspiration from Nature, neuromorphic hold tremendous potential for efficient multisensory signal processing in the physical world; however, development artificial neuron with a widely calibratable spiking range reduced footprint remains challenging. Here, we report organic electrochemical (OECN) (<37 mm 2 ) based high-performance vertical OECT (vOECT)...

10.1073/pnas.2414879122 article EN cc-by-nc-nd Proceedings of the National Academy of Sciences 2025-01-08

Abstract The post-launch calibration of the visible (channel l:≈0·58–0·68μm) and near-infrared 2: ≈ 0·72–1·1 μm) channels Advanced Very High Resolution Radiometer (AVHRR) on NOAA-14 spacecraft is described. southeastern part Libyan desert (21–23° N latitude; 28–29° E longitude) used as a radiometrically stable target to determine 'slope'—the inverse gain—of AVHRR, expressed in units W (m−2 sr−1 μm−1 count−1), two course 1995. variation 'slope' with time during 1995 indicates that channel 1...

10.1080/01431169608949104 article EN International Journal of Remote Sensing 1996-09-01

Fluorescent and phosphorescent liquid crystalline materials are reviewed with a focus on their application in polarised OLEDs.

10.1039/c5tc01565k article EN Journal of Materials Chemistry C 2015-01-01

A simple, sensitive and reliable dopamine (DA) biosensor was developed based on a carbon dots (CDs) chitosan (CS) composite film modified glassy electrode (CDs–CS/GCE). Under optimal conditions, the CDs–CS/GCE showed better electrochemical response for detection of DA than that (GCE). The oxidation peak current (Ipa) linear with concentration in range from 0.1 μM to 30.0 limit as 11.2 nM (3S/N). applied content an injection solution satisfactory results.

10.1039/c3an00510k article EN The Analyst 2013-01-01

A D–A conjugated polymer (PThTPTI) was developed by using a brand new pentacyclic aromatic lactam acceptor unit (TPTI). PThTPTI possesses good light absorption, thermal stability, and deep HOMO level. PThTPTI/PC71BM cells afford an outstanding PCE up to 7.80%, with high Voc (0.87 V), Jsc (13.69 mA cm−2) FF (65.6%), over 70% EQE in the range of 435–640 nm.

10.1039/c3ee41948g article EN Energy & Environmental Science 2013-01-01

Abstract Currently, n‐type acceptors in high‐performance all‐polymer solar cells (all‐PSCs) are dominated by imide‐functionalized polymers, which typically show medium bandgap. Herein, a novel narrow‐bandgap polymer, poly(5,6‐dicyano‐2,1,3‐benzothiadiazole‐ alt ‐indacenodithiophene) (DCNBT‐IDT), based on dicyanobenzothiadiazole without an imide group is reported. The strong electron‐withdrawing cyano functionality enables DCNBT‐IDT with character and, more importantly, alleviates the steric...

10.1002/adma.201905161 article EN Advanced Materials 2019-09-30

Unpaired electrons of organic radicals can offer high electrical conductivity without doping, but they typically suffer from low stability. Herein, we report two diradicaloids based on quinoidal oligothiophene derivative (QOT), that is, BTICN and QTICN, with stability by employing imide-bridged fused molecular frameworks. The attachment a strong electron-withdrawing imide group to the tetracyano-capped QOT backbones enables extremely deeply aligned LUMO levels (from -4.58 -4.69 eV),...

10.1021/jacs.9b12683 article EN Journal of the American Chemical Society 2020-02-12

A 100-Gb/s multiple-input multiple-output (MIMO) visible laser light communication (VLLC) system employing vertical-cavity surface-emitting lasers with 16-quadrature amplitude modulation (QAM) orthogonal frequency-division multiplexing (OFDM) modulating signals is proposed and experimentally demonstrated. The transmission capacity of systems significantly increased by space-division-multiplexing scheme. With the aid low-noise amplifier equalizer at receiving site, good bit error rate...

10.1109/jlt.2014.2365451 article EN Journal of Lightwave Technology 2014-10-28

Abstract Organic polymer electrochemical transistors (OECTs) are of great interest for flexible electronics and bioelectronics applications owing to their high transconductance low operating voltage. However, efficient OECT operation must delicately balance the seemingly incompatible materials optimizations redox chemistry, active layer electronic transport, ion penetration/transport. The latter characteristics particularly challenging since most high‐mobility semiconducting polymers...

10.1002/adma.202007041 article EN Advanced Materials 2021-03-03

The development of n-type organic electrochemical transistors (OECTs) lags far behind their p-type counterparts. In order to address this dilemma, we report here two new fused bithiophene imide dimer (f-BTI2)-based polymers with a branched methyl end-capped glycol side chain, which exhibit good solubility, low-lying LUMO energy levels, favorable polymer chain orientation, and efficient ion transport property, thus yielding remarkable OECT electron mobility (μe ) up ≈10-2 cm2 V-1 s-1...

10.1002/anie.202109281 article EN Angewandte Chemie International Edition 2021-09-01
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