A5101493468- Perovskite Materials and Applications
- Quantum Dots Synthesis And Properties
- Organic Light-Emitting Diodes Research
- Chalcogenide Semiconductor Thin Films
- Advanced Sensor and Energy Harvesting Materials
- ZnO doping and properties
- Conducting polymers and applications
- 2D Materials and Applications
- Ga2O3 and related materials
- Nanomaterials and Printing Technologies
- Nanocluster Synthesis and Applications
- Geochemistry and Elemental Analysis
- Nanowire Synthesis and Applications
- Optical properties and cooling technologies in crystalline materials
- Luminescence Properties of Advanced Materials
- Innovative Microfluidic and Catalytic Techniques Innovation
- Advanced biosensing and bioanalysis techniques
- Solid-state spectroscopy and crystallography
- Crystallization and Solubility Studies
- Gas Sensing Nanomaterials and Sensors
- Advanced Nanomaterials in Catalysis
- Thermal Expansion and Ionic Conductivity
- Advanced Antenna and Metasurface Technologies
- Catalytic Processes in Materials Science
- Geothermal Energy Systems and Applications
Nanjing University of Science and Technology
2016-2025
Hangzhou Dianzi University
2025
Ministry of Industry and Information Technology
2017-2024
Chinese Academy of Sciences
2020-2023
Institute of High Energy Physics
2020-2023
University of Chinese Academy of Sciences
2023
Lanzhou University of Technology
2022
North China University of Water Resources and Electric Power
2022
Weifang University of Science and Technology
2021
Center for NanoScience
2017
Novel quantum-dot light-emitting diodes based on all-inorganic perovskite CsPbX3 (X = Cl, Br, I) nanocrystals are reported. The well-dispersed, single-crystal quantum dots (QDs) exhibit high yields, and tunable light emission wavelength. demonstration of these novel QDs opens a new avenue toward designing optoelectronic devices, such as displays, photodetectors, solar cells, lasers. As service to our authors readers, this journal provides supporting information supplied by the authors. Such...
Solution-processed CsPbBr3 quantum-dot light-emitting diodes with a 50-fold external quantum efficiency improvement (up to 6.27%) are achieved through balancing surface passivation and carrier injection via ligand density control (treating hexane/ethyl acetate mixed solvent), which induces the coexistence of high levels ink stability, photoluminescence yields, thin-film uniformity, carrier-injection efficiency.
Printed flexible photodetectors based on 2D inorganic perovskites with atomic thickness show excellent photosensing fast rise and decay response times. As-synthesized nanosheets can easily be dispersed in various solvents, leading to large-area, crack-free, low-roughness, films after printing. This study demonstrates that all-inorganic perovskite CsPbX3 as a new class of semiconductors have huge potential for optoelectronic applications.
All‐inorganic perovskites have high carrier mobility, long diffusion length, excellent visible light absorption, and well overlapping with localized surface plasmon resonance (LSPR) of noble metal nanocrystals (NCs). The high‐performance photodetectors can be constructed by means the intrinsic outstanding photoelectric properties, especially plasma coupling. Here, for first time, inorganic perovskite are demonstrated synergetic effect preferred‐orientation film plasmonic both performance...
Visible‐infrared dual‐modal light harvesting is crucial for various optoelectronic devices, particularly solar cells and photodetectors. For the first time, this study reports on large 25 cm 3 ‐volume all‐inorganic perovskite CsPbBr single crystal (SC) with an emphasis observed visible‐infrared sensing as demonstrated by high‐performance First, ultralarge SC ingots trapping state density low of 1 × 10 9 −3 have been achieved a modified Bridgman growth method. The volume reported here largest...
Novel fluorescence with highly covert and reliable features is quite desirable to combat the sophisticated counterfeiters. Herein, we report a simultaneously triple-modal fluorescent characteristic of CsPbBr3@Cs4PbBr6/SiO2 by excitation thermal, ultraviolet (UV) infrared (IR) light for first time, which can be applied multiple modal anti-counterfeiting codes. The diphasic structure CsPbBr3@Cs4PbBr6 nanocrystals (NCs) was synthesized via typical reprecipitation method followed uniformly...
Abstract The “Nobel Prize in Chemistry 2023” is awarded to Moungi G. Bawendi, Louis E. Brus, and Alexey I. Yekimov for discovering synthesizing Quantum Dots (QDs). Colloidal QDs possess fascinating size‐, morphological‐, composition‐, assembly‐tunable electronic optical properties, which makes them star materials various optoelectronic applications, especially as luminescent next‐generation wide color gamut ultra‐high‐definition displays. Perovskite (PQDs) have gained widespread attention...
The metal halide perovskites have attracted unprecedented attention in the field of photodetectors. recent progress perovskite photodetectors for different spectral regions and applications are reviewed. enhancement strategies device performance discussed as well. In addition, summary outlook given to boost development PDs.
We present the all-inorganic QLEDs, including inorganic perovskite emitters (CsPbBr<sub>3</sub>) and charge transport layers (CTLs), with emphasis on significantly improved device stability low turn-on voltage.
Light fidelity (LiFi), which is emerging as a compelling technology paradigm shifting the common means of high-capacity wireless communication technologies, requires wearable and full-duplex compact design because its great significance in smart wearables well 'Internet Things'. However, construction key component LiFi, light-emitting/detecting bifunctional fibres, still challenging conflicting process between carrier separation recombination, highly dynamic film-forming process. Here, we...
Abstract Inorganic perovskite quantum dots (QDs) have natural advantages in the field of light‐emitting diodes (LEDs) because their high color purity and tunability a wide range. However, when manufacturing efficiently mixed‐anion QDs (CsPbBr x I 3− ) to meet requirements pure red standard display (≈630 nm), results are difficult control accurately due lack exploration its microscopic mechanism. Here, microdynamics model is constructed for anion exchange dominated by vacancies which revealed...
Abstract Light harvesting (LH) and carrier transport abilities of a photoactive layer, which are both crucial for optoelectronic devices such as solar cells photodetectors (PDs), typically hard to be synergistically improved. Taking perovskite an example, freeze‐drying recrystallization method is used construct porous films with improvements LH ability. During the casting process, rapid solvent evaporation produces massive pores, sizes can adjusted exploit Mie scattering enhancement...
In this study, a novel anion–cation method to synthesize highly emissive and stable diphase CsPbBr<sub>3</sub>@Cs<sub>4</sub>PbBr<sub>6</sub> composite NCs has been developed.
Defects play a pivotal role in the physical and chemical properties of semiconductor materials. Regulation type, distribution, quantity defects within crystal allows for refinement material properties, which, turn, affects performance devices. Looking back at development realm perovskite, research on defect behaviors has always been closely linked to outstanding improvements solar cells, light-emitting diodes (LEDs), other Recently, external quantum efficiencies (EQEs) red, green, blue...
In this work, a novel concept of the all-inkjet-printed flexible photodetectors based on ZnO nanocrystals with high performance was proposed and demonstrated emphasis influence different post-treatments including UV light irradiation temperature annealing. The UV-treated nanocrystal films exhibit responsivity an on/off ratio as 0.14 A W−1 >103, respectively, which are better than thermally treated devices. nanocrystal-based originates from unique band-edge modulation among nanoparticles,...
Abstract Tungsten disulfide (WS 2 ), as a typical member of transition metal chalcogenides (TMDs), has attracted extensive research interest in optoelectronics, especially photodetectors. However, the performance photodetectors based on monolayer WS is restricted to weak light absorption. Here, AgInGaS quantum dots (AIGS-QDs) with large absorption coefficient and high efficiency are integrated onto atomic layers achieve excellent photoelectric performance. Notably, observed photoluminescence...