Li Xu

ORCID: 0000-0003-4459-224X
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About
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Research Areas
  • Thin-Film Transistor Technologies
  • Silicon Nanostructures and Photoluminescence
  • Nanomaterials and Printing Technologies
  • Perovskite Materials and Applications
  • ZnO doping and properties
  • Advanced Sensor and Energy Harvesting Materials
  • Thermal Radiation and Cooling Technologies
  • Laser Material Processing Techniques
  • Combustion and flame dynamics
  • Chalcogenide Semiconductor Thin Films
  • Silicon and Solar Cell Technologies
  • Organic Electronics and Photovoltaics
  • Nanowire Synthesis and Applications
  • Advanced Combustion Engine Technologies
  • Adsorption and Cooling Systems
  • Ocular and Laser Science Research
  • Polymer Science and PVC
  • Food Drying and Modeling
  • Quantum Dots Synthesis And Properties
  • Electrospun Nanofibers in Biomedical Applications
  • Infection Control and Ventilation
  • Thermal properties of materials
  • Advanced Materials and Semiconductor Technologies
  • Aluminum Alloys Composites Properties
  • solar cell performance optimization

National Taiwan University
2020-2025

Taipei Medical University
2025

Guizhou University
2022-2024

Southeast University
2019

Chinese Academy of Sciences
2002-2019

Jiangsu University
2018

University Town of Shenzhen
2016-2017

Tsinghua University
2016-2017

State Grid Corporation of China (China)
2017

Applied Materials (United States)
2008-2009

Two novel simple-constructed and low-cost hole transport materials (HTMs) POZ9 POZ10, incorporating a phenoxazine (POZ) core unit, were designed synthesized for application in perovskite solar cells (PSCs). The typically semblable molecular structure of POZ10 cause them to possess similar energy levels. However, their photovoltaic performances are quite different from each other because the small variations N-substitution on POZ ring. PSCs based which contains three...

10.1021/acsami.8b12678 article EN ACS Applied Materials & Interfaces 2018-10-16

This paper presents a humidification–dehumidification (HDH) desalination system with an air-cooling condenser. Seawater in copper tubes is usually used condenser, but it has shown the drawbacks of pipe erosion, high cost material, etc. If air could be as cooling medium, not only avoid above also allow much more flexible structure design condensers, although challenge whether air-cooing condenser can provide capability water condensers. There no previous work that uses medium HDH to best our...

10.3390/w12010142 article EN Water 2020-01-02

A new optical temperature measurement technique for use in molecular beam epitaxy is demonstrated with GaAs substrates. The of the semiconductor inferred from its band gap, which measured by diffuse reflectivity substrate that textured on back surface. method has a sensitivity better than 2 °C, and an absolute accuracy limited gap known as function temperature. It was found to be necessary calibrate thermocouple contact sample order achieve satisfactory at high temperatures. Measurements...

10.1139/p91-068 article EN Canadian Journal of Physics 1991-03-01

Nanowires can potentially be used with low-cost flexible plastic substrates for applications such as large-area displays and sensor arrays. However, high temperature processing steps thermal annealing that are incompatible still a major hindrance. Laser permits localized energy input without affecting the underlying substrate help overcome this problem. In study, excimer laser of silicon nanowires is demonstrated to an efficient means activating implanted dopants. The optical absorption...

10.1063/1.2713774 article EN Applied Physics Letters 2007-03-12

Large‐area perovskite solar modules fabrication has been demonstrated with a rapid process of large‐area slot‐die coating, drying, and crystallization using near‐infrared radiation in ambient air, which the laser‐scribing is applied to fabricate modules. However, defective coating layer near laser‐scribed P1 line isolates front electrode transparent conductive oxide (TCO) results very low module efficiencies. Therefore, systematic study conducted investigate root cause, mechanism solution...

10.1002/solr.202200945 article EN Solar RRL 2022-12-11

Switchable materials have developed greatly, because of their potential applications in many fields, such as data storage and dielectric devices, while the “ON”/“OFF” effect polycrystalline to achieve high contrast is still a great challenge, which gradually become one research hotspots science electronics. Herein, we report prominent switch (TMCM) 2 Hg Cl 6 ( 1 , TMCM = trimethylchloromethyl ammonium), with phase transition temperature (Tc) 405.8 K an extremely ca. 14. Such breakthrough...

10.1002/ejic.201801293 article EN European Journal of Inorganic Chemistry 2019-01-10

Ultralarge-grained polycrystalline-silicon films have been formed from 50-nm-thick amorphous-silicon layers using double-laser crystallization (DLC). In situ images were captured to monitor the transient melting and solidification processes. Scanning electron microscope plan-view transmission analyses show that lateral grain dimensions up 10μm can be achieved by this method. Prepatterning of film prior DLC provides a means for modifying temperature profile (hence structure) via edge cooling...

10.1063/1.2171807 article EN Journal of Applied Physics 2006-02-01

Abstract We review our progress on the laser processing of semiconductor microstructures and nanostructures for functional devices. Fundamental research conducted to understand melt‐mediated phase transformations induced by nanosecond irradiation in thin films is presented. A detailed experimental study analyzed physical mechanisms explosive crystallization amorphous germanium that produces large area self‐sustained crystal growth. The double method combines a pulse modulated microsecond...

10.1002/pssc.200779506 article EN Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics 2008-07-15

In this paper we present the laser nanowelding process of silver nanowires (AgNWs) deposited on flexible polymer substrates by continuous wave (CW) lasers. CW lasers are cost-effective and can provide moderate power density, somewhere between nanosecond pulsed flash lamps, which is just enough to perform efficiently does not damage substrates. Here, an Nd:YAG (wavelength 532 nm) was used AgNWs polyethylene terephthalate (PET) Key parameters such as power, scan speed, number scans were...

10.3390/nano11102511 article EN cc-by Nanomaterials 2021-09-27

The 500k V double-circuit lines on same tower has some advantages such as small line corridors and large capability, electric field for live-working becomes more complicated because of its compact triple conductors. In this paper, the is took research object, strength body surface at typical positions during live working are calculated using finite element method, distribution characteristic in different parts live-workers analyzed, protection measures determined based simulation results....

10.1109/ichve.2016.7800626 article EN 2016-09-01

Efficiency loss of thin film Cu(InxGa1−x)Se(S) (CIGS) solar panels by lamination process has been compromising the final output power in commercial products modules, but few reports have published on such issue, as majority investigation is focused efficiency at circuit level, i.e., before process. In this paper, we studied effect to CIGS panels. It was observed that fill factor degradation dominated with small change Voc and Jsc. Experiments showed neither temperature nor pressure, two...

10.1063/1.4979635 article EN Journal of Applied Physics 2017-04-17
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