A5100731852- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Luminescence Properties of Advanced Materials
- Glass properties and applications
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Perovskite Materials and Applications
- Solid State Laser Technologies
- Phase-change materials and chalcogenides
- Optical properties and cooling technologies in crystalline materials
- ZnO doping and properties
- Microwave Dielectric Ceramics Synthesis
- Nuclear materials and radiation effects
- GaN-based semiconductor devices and materials
- Solid-state spectroscopy and crystallography
- Gas Sensing Nanomaterials and Sensors
- Recycling and utilization of industrial and municipal waste in materials production
- Thin-Film Transistor Technologies
- Ferroelectric and Piezoelectric Materials
- Semiconductor Quantum Structures and Devices
- Conducting polymers and applications
- Nonlinear Optical Materials Studies
- Crystallography and molecular interactions
- Silicon and Solar Cell Technologies
- Photonic Crystals and Applications
Helmholtz Institute Erlangen-Nürnberg
2025
Forschungszentrum Jülich
2025
Friedrich-Alexander-Universität Erlangen-Nürnberg
2021-2025
Hebei University
2024-2025
Wuhan University of Technology
2015-2024
Henan Institute of Science and Technology
2024
Naval University of Engineering
2024
Qilu University of Technology
2023-2024
Shandong Academy of Sciences
2023-2024
Nanjing Forestry University
2024
The ternary strategy has been widely identified as an effective approach to obtain high-efficiency organic solar cells (OSCs). However, for most OSCs, the nonradiative voltage loss lies between those of two binary devices, which limits further efficiency improvements. Herein, asymmetric guest acceptor BTP-2F2Cl is designed and incorporated into a PM1:L8-BO host blend. Compared with L8-BO neat film, L8-BO:BTP-2F2Cl blend film shows higher photoluminescence quantum yield larger exciton...
A correlation between the electron spin−orbital angular momentum coupling and superparamagnetic properties has been established in MgFe2O4 CoFe2O4 spinel ferrite nanoparticles. The contribution to magnetic anisotropy from Fe3+ lattice sites is almost same both nanocrystallites as neutron diffraction studies have shown a similar cation distribution these two types of Due strong couplings Co2+ sites, blocking temperature nanoparticles at least 150 deg higher than sized Mössbauer spectroscopy...
Abstract Cesium lead halide (CsPbX 3 ) nanocrystals have great potential for photovoltaic and optoelectronic applications, but they are sensitive to oxygen, moisture, light irradiation. Embedding these CsPbX into all‐inorganic amorphous solid matrices such as glass is expected improve their stability. In this work, precipitated in boro‐germanate glasses with tunable composition, absorption, photoluminescence. Quantum efficiency of CsPbBr can be high ≈80% ≈20% CsPb(Cl/Br) CsPb(Br/I)...
CsPbBr 3 quantum dots were precipitated in phosphate glasses through heat treatment. Controlled formation of was realized by adjustment heat‐treatment conditions. Absorption and photoluminescence spectra tuned from 432 to 521 nm. Upon ultraviolet or blue light excitation, efficient these doped observed.
Abstract Using a combinatory blending strategy is demonstrated as promising path for designing efficient organic solar cells (OSCs) by boosting the short‐circuit current density and fill factor. Herein, high‐performance ternary all‐small molecule OSC (all‐SMOSCs) using narrow‐bandgap alloy acceptor containing symmetric asymmetric molecules (BTP‐eC9 SSe‐NIC) wide‐bandgap small donor MPhS‐C2 reported. Introducing synthesized SSe‐NIC into MPhS‐C2:BTP‐eC9 host system can broaden absorption...
Size dependence of exciton activation energy, electron–phonon coupling strength, and thermal expansion the bandgap CsPbBr<sub>3</sub> QDs were studied.
Abstract The toxicity of heavy‐metal Pb and instability lead‐based halide perovskite nanomaterials are main factors to impede their practical applications in the fields solar cells, LEDs scintillators. In this paper, all inorganic lead‐free cesium manganese nanocrystals synthesized glass for first time. Red photoluminescence with broad PL band, negligible self‐absorption a high quantum yield 41.8% is obtained. addition, modulating component can change Mn 2+ ions coordination environment...
ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTSol−Gel Synthesis of Free-Standing Ferroelectric Lead Zirconate Titanate NanoparticlesChao Liu, Bingsuo Zou, Adam J. Rondinone, and Z. John ZhangView Author Information School Chemistry & Biochemistry Georgia Institute Technology, Atlanta, 30332-0400 Cite this: Am. Chem. Soc. 2001, 123, 18, 4344–4345Publication Date (Web):April 17, 2001Publication History Received1 June 2000Revised22 January 2001Published online17 April inissue 1 May...
A facile synthetic approach to prepare environmentally friendly white fluorescent carbon dots (CDs)/ZnO quantum (QDs) composites through electrostatic force is described. This method can be used for fabrication of high-performance light-emitting diodes (WLEDs). The fluorescence emission spectra WLED devices covered a range from 425 nm 750 nm. WLEDs had CIE chromaticity coordinate (0.30, 0.34) and color temperature 7093 K.
CdSe quantum dots (QDs) doped glasses have been widely investigated for optical filters, LED color converter and other emitters. Unlike QDs in solution, it is difficult to passivate the surface defects of glass matrix, which strongly suppress its intrinsic emission. In this study, passivation by Cd
Nickel ion doped transparent bulk glass-ceramics containing K2SiF6, ZnF2, and KZnF3 nanocrystals were elaborated to show the prospect that this novel group of oxyfluoride is promising for transition metal based photonics. These new exhibit a broadband luminescence Ni2+ ions in intriguing near-IR spectral region ranging from 1200 2400 nm. are incorporated into precipitated crystals, which provide octahedral sites make it optically active. Taking account microstructure phase separation...