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Location: Home > Research > Research Progress   Research Progress   Researchers Propose Excited-multimer Mediated Supramolecular Upconversio...[ 31, 2023] Upconversion (UC) luminescence is a process that converts low-energy photons into higher-energy ones with promising applications in diverse fields. However, known UC mechanisms mainly focus on the energy transfer processes between metal ...   Researchers Reveal Nonlinear Optical Mechanism of β-BaB2O4 by Experimen...[ 26, 2023] As a well-known ultraviolet(UV)-vis-near-infrared(IR) nonlinear optical (NLO) material in the borate system, β-BaB2O4 (BBO) has a wide range of applications because of its outstanding NLO performance. Further analysis of the electronic ...   Continuous-control-set Model-free Predictive Control Realized by Using T...[ 17, 2023] Permanent magnet synchronous motors (PMSMs) are widely used in high-end equipment manufacturing, and model-free predictive control (MFPC) is applied to essentially enhance robustness. 　　However, the MFPC strategy based on ultra-local c...   Researchers Achieve Photon Avalanche Luminescence with Giant Nonlinearit...[ 12, 2023] Lanthanide (Ln3+)-doped photon avalanche (PA) upconversion nanoparticles (UCNPs) have great prospects in many frontier applications, such as super-resolution bioimaging, miniaturized lasers, single-molecule tracking, and quantum optics. ...   Researchers Develop Nonlinear Optical Crystals by Unusual Cationic Subst...[ 09, 2023] An ideal infrared (IR) nonlinear optical (NLO) crystal must have the advantages of a wide transmittance range, impressive laser-induced damage threshold (LIDT), sufficient birefringence index, bulk single-crystal form, and physicochemica...   Integrated System Developed for Ice Storage Cooling and Seawater Desalin...[ 07, 2023] Conventional methods of seawater desalination include multi-effect desalination (MED), reverse osmosis (RO), and freezing desalination (FD). Some of these methods consume a lot of energy, while others produce relatively poor water qualit...   Stereochemically Active Lone Pair Induced Polar Tri-layered Perovskite D...[ 26, 2023] The polarization ratio is thought to be an important index to evaluate the distinguishability in polarized photodetection devices because it is closely related to material semiconductor performance and structural anisotropy. 　　Owing to...

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