Jianjun Li

ORCID: 0000-0003-2872-9648
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About
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Research Areas
  • Chalcogenide Semiconductor Thin Films
  • Quantum Dots Synthesis And Properties
  • Advancements in Battery Materials
  • Copper-based nanomaterials and applications
  • Advanced Battery Materials and Technologies
  • Semiconductor Lasers and Optical Devices
  • Photonic and Optical Devices
  • Electrochemical sensors and biosensors
  • Electrochemical Analysis and Applications
  • Semiconductor Quantum Structures and Devices
  • Advanced Battery Technologies Research
  • Supercapacitor Materials and Fabrication
  • Extraction and Separation Processes
  • Simulation and Modeling Applications
  • Semiconductor materials and interfaces
  • Analytical Chemistry and Sensors
  • GaN-based semiconductor devices and materials
  • Conducting polymers and applications
  • Gas Sensing Nanomaterials and Sensors
  • Infrared Target Detection Methodologies
  • Industrial Technology and Control Systems
  • Semiconductor materials and devices
  • Catalytic Processes in Materials Science
  • Advanced Measurement and Detection Methods
  • Advanced Algorithms and Applications

University of Electronic Science and Technology of China
2016-2025

UNSW Sydney
2019-2024

Anhui Institute of Optics and Fine Mechanics
2006-2024

Chinese Academy of Sciences
2002-2024

ARC Centre of Excellence in Advanced Molecular Imaging
2020-2024

Hangzhou Dianzi University
2024

Hangzhou Normal University
2024

Jiangxi Agricultural University
2024

Anhui University of Technology
2024

Kingfa (China)
2024

More than LiP service: The adsorption of red phosphorus into porous carbon provides a composite anode material for lithium-ion batteries. amorphous nano phosphorus, in the matrix, shows highly reversible lithium storage with high coulombic efficiencies and stable cycling capacity 750 mAh per gram composite.

10.1002/anie.201204591 article EN Angewandte Chemie International Edition 2012-08-02

Abstract Kesterite‐based Cu 2 ZnSn(S,Se) 4 semiconductors are emerging as promising materials for low‐cost, environment‐benign, and high‐efficiency thin‐film photovoltaics. However, the current state‐of‐the‐art devices suffer from cation‐disordering defects defect clusters, which generally result in severe potential fluctuation, low minority carrier lifetime, ultimately unsatisfactory performance. Herein, critical growth conditions reported obtaining high‐quality ZnSnSe absorber layers with...

10.1002/adma.202005268 article EN publisher-specific-oa Advanced Materials 2020-11-13

Abstract Understanding carrier loss mechanisms at microscopic regions is imperative for the development of high-performance polycrystalline inorganic thin-film solar cells. Despite progress achieved kesterite, a promising environmentally benign and earth-abundant photovoltaic material, their impact on device performance remain largely unknown. Herein, we unveil these in state-of-the-art Cu 2 ZnSnSe 4 (CZTSe) cells using framework that integrates multiple macroscopic characterizations with...

10.1038/s41560-022-01078-7 article EN cc-by Nature Energy 2022-07-21

Aerobic glycolysis (the Warburg effect) has been demonstrated to facilitate tumor progression by producing lactate, which important roles as a proinflammatory and immunosuppressive mediator. However, how aerobic is directly regulated largely unknown. Here, we show that ectopic Zeb1 increases the transcriptional expression of HK2, PFKP, PKM2, are glycolytic rate-determining enzymes, thus promoting effect breast cancer proliferation, migration, chemoresistance in vitro vivo. In addition,...

10.1038/s41419-022-04632-z article EN cc-by Cell Death and Disease 2022-03-04

The influence of a prealloying process on the formation MoSe 2 and thus performance Cu ZnSnSe 4 (CZTSe) solar cells is investigated using sputtering deposition post‐annealing approaches. dense alloy layer, which made by low‐temperature process, acts as temporary Se diffusion barrier during subsequent high‐temperature selenization process. thick interfacial can be suppressed effectively this barrier, cooperating with quick compact CZTSe layer. thickness layer in tailored adjusting...

10.1002/aenm.201402178 article EN Advanced Energy Materials 2015-02-03

Nano-sized ceramic fillers provide a promising approach to enhancing polymer electrolytes in terms of the interfacial chemistry, ionic conductivity, and C-rate performance Li-ion cells, if their dispersibility compatibility matrix can be well managed. In this work, nano-crystalline TiO2–PMMA hybrid is prepared by situ crystallization, its structure properties are characterized XRD, FTIR, TG HRTEM. The enhancements provided as an additive PVDF-HFP (poly(vinylidene...

10.1039/c3ta00086a article EN Journal of Materials Chemistry A 2013-01-01

Increasing the allowable gas pressure of underground storage (UGS) is one most effective methods to increase its working capacity. In this context, hydraulic fracturing tests are implemented on target formation for UGS construction Jintan salt caverns, China, in order obtain minimum principal situ stress and fracture breakdown pressure. Based test results, maximum cavern calibrated. To determine pressure, KING-1 KING-2 caverns used as examples. A three-dimensional (3D) geomechanical model...

10.1016/j.jrmge.2018.10.004 article EN cc-by-nc-nd Journal of Rock Mechanics and Geotechnical Engineering 2019-01-02

Abstract Metal halide perovskite solar cells (PSCs) have raised considerable scientific interest due to their high cost‐efficiency potential for photovoltaic energy conversion. As PSCs already are meeting the efficiency requirements renewable power generation, more attention is given further technological barriers as environmental stability and reliability. However, most major obstacle limiting commercialization of lack a reliable scalable process thin film production. Here, generic...

10.1002/advs.201901067 article EN cc-by Advanced Science 2019-06-25

Band-gap-graded CZTSSe was formed successfully, and the carrier transport through p-n junction improved greatly; thus, power conversion efficiency increased by 45%.

10.1039/d1ee03134a article EN Energy & Environmental Science 2021-12-14

Abstract Zinc finger E-box binding homeobox 1 (Zeb1) has been demonstrated to participate in the acquisition of properties cancer stem cells (CSCs). However, it is largely unknown how signals from tumor microenvironment (TME) contribute aberrant Zeb1 expression. Here, we show that depletion suppresses stemness, colonization and phenotypic plasticity breast cancer. Moreover, demonstrate that, with direct cell-cell contact, TME-derived endothelial provide Notch ligand Jagged1 (Jag1)...

10.1038/s41467-020-18860-4 article EN cc-by Nature Communications 2020-10-12

As a low-cost substitute that uses no expensive rare-earth elements for the high-efficiency Cu(In,Ga)(S,Se)2 solar cell, Cu2 ZnSn(S,Se)4 (CZTSSe) cell has borrowed optimization strategies used its predecessor to improve device performance, including profiled band gap and surface inversion. Indeed, there have been few reports of constructing CZTSSe absorber layers with inversion efficiency. Here, strategy designs attain modification by using n-type Ag2 ZnSnS4 is demonstrated. It discovered Ag...

10.1002/adma.202104330 article EN Advanced Materials 2021-10-08

Abstract Lithium incorporation in kesterite Cu 2 ZnSn(S,Se) 4 (CZTSSe) materials has been experimentally proven effective improving electronic quality for application photovoltaic devices. Herein, a feasible and solution‐based lithium post‐deposition treatment (PDT), enabling further efficiency improvement on the high‐performance baseline is reported dominant mechanism this proposed. In way, uniformly incorporated into grain interiors (GIs) without segregation at boundaries (GBs), which can...

10.1002/aenm.202003783 article EN Advanced Energy Materials 2021-02-18

Abstract Flexible photovoltaics have been and will be increasingly in demand modern future society various applications. Searching for ideal flexible photovoltaic technologies that can perfectly meet these expanding demands has long an active branch of research. kesterite Cu 2 ZnSn(S,Se) 4 (CZTSSe) emerged recent years owning to its great potential abundant, low-cost, stable, high-efficiency ‘green’ material widely deployed with the lowest detrimental environmental impact. Here, we review...

10.1038/s41528-023-00250-7 article EN cc-by npj Flexible Electronics 2023-03-23

Abstract Kesterite is an earth‐abundant energy material with high predicted power conversion efficiency, making it a sustainable and promising option for photovoltaics. However, large open circuit voltage V oc deficit due to non‐radiative recombination at intrinsic defects remains major hurdle, limiting device performance. Incorporating Ge into the kesterite structure emerges as effective approach enhancing performance by manipulating morphology. Herein, how different amounts of affect...

10.1002/advs.202305938 article EN cc-by Advanced Science 2024-02-11

Li/S batteries have attracted great attention in the last twenty years, as they offer advantage of high gravimetric energy densities over current conventional Li-ion systems. Besides elemental sulphur based composites, sulphur–poly(acrylonitrile)-based materials are promising candidates for batteries. Though structure material is still debated, effects synthesis conditions on structure, and thus electrochemical performance, undoubted. Here process probed by scanning electron microscopy...

10.1039/c2jm30632h article EN Journal of Materials Chemistry 2012-01-01
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