A5108831488- Nonlinear Optical Materials Research
- Crystallization and Solubility Studies
- Crystal structures of chemical compounds
- X-ray Diffraction in Crystallography
- Synthesis and biological activity
- Solid-state spectroscopy and crystallography
- Acoustic Wave Resonator Technologies
- Photochemistry and Electron Transfer Studies
- RNA regulation and disease
- Terahertz technology and applications
- Crystallography and molecular interactions
- Porphyrin and Phthalocyanine Chemistry
- Chemical synthesis and pharmacological studies
- Perovskite Materials and Applications
- CRISPR and Genetic Engineering
- Free Radicals and Antioxidants
- Spectroscopy Techniques in Biomedical and Chemical Research
- Luminescence and Fluorescent Materials
- Photonic and Optical Devices
- Computational Drug Discovery Methods
- Synthesis of Organic Compounds
- Photonic Crystals and Applications
- Galectins and Cancer Biology
- Spectroscopy and Laser Applications
- RNA and protein synthesis mechanisms
Qingdao University
2021-2025
Abstract Organic–inorganic metal halides (OIMHs) have emerged as a pivotal structural framework for discovering novel nonlinear optical (NLO) crystals, but the dominant role of inorganic components in NLO responses has become major bottleneck to performance improvement. In this study, protonation‐induced hydrogen‐bond engineering strategy is proposed introduce robust hydrogen‐bonding sites into organic group 4‐N,N‐dimethylamino‐4′‐N'‐methyl‐stilbazolium (DAMS + ) with strong effects. This...
Abstract The rapid advancement of terahertz (THz) technology has driven an increasing demand for efficient THz sources and detectors, particularly in applications such as spectroscopy, imaging, wireless communications. Organic (NLO) crystals, renowned their high nonlinear coefficients, tunability, flexible molecular design, have emerged highly promising materials generation. This article highlights the latest progress synthesis, investigation novel organic NLO crystals demonstrating...
Chalcone structures obtained by structural tailoring are an important class of molecular organic nonlinear optics (NLO) crystals that can be used for multiple purposes. In this work, two novel chalcone compound with non-centrosymmetric structures, 6MN3MPP (C21H18O3, Pca21) and 6MN4MPP Pn), were designed grown extending the π-conjugation structure-modifying strategy. On basis, second harmonic generation (SHG) efficiency, thermal stability, transmission spectra, dielectric constant,...
In this study, a new class of organic salt nonlinear optical (NLO) crystals, 2-HDSAI and HDSAI, were synthesized grown by designing adjusting the methyl position on receptor. Single-crystal XRD analysis confirms that crystal belongs to monoclinic group P21. Among them, HDSAI has second harmonic generation (SHG) activity, maximum powder SHG is about 0.7 times OH1. The coefficient d11 = 62 pm/V @1064 nm theoretical calculation. single was successfully slow cooling method. Through study...
Controlling the molecular arrangement by introducing halogen element substituents is a very effective crystal design method. Therefore, four chalcone derivatives, EFDAN, ECDAN, EBDAN, and EIDAN, were synthesized F, Cl, Br, I, respectively. The tunable crystals containing Cl Br elements with appropriate size have better spatial arrangement, which conducive to increase of nonlinearity. Theoretical calculations indicate that electron transfer from amino group adjacent benzene ring conjugated...
In the design of molecular organic nonlinear optical (NLO) chalcone crystals, how to balance stability crystal structure and π-conjugation length while enhancing NLO activity chromophore remains a challenge. this study, we have synthesized series crystals 6MNPP (C20H16O2, Pca21), 6MN4TP (C21H18O2, 6MN4EP (C22H20O2, 6MN3TP P21) by adding benzene ring in D−π–A−π–D introducing new functional groups with large differences electron-donating ability at both ends molecule. All four are...
Chalcone crystals, known for their significance as molecular nonlinear optical (NLO) materials, exhibit exceptional output properties within the terahertz frequency range. In this study, three chalcone-based (E)-3-(4-methoxyphenyl)-1-(4-(trifluoromethyl)phenyl) prop-2-en-1-one (TFMOC), (E)-3-(4-ethoxyphenyl)-1-(4-(trifluoromethyl)phenyl) (TFEOC), and (E)-3-(4-propoxyphenyl)-1-(4-(trifluoromethyl)phenyl) (TFPOC), were designed by extending alkyl chains spatial structure successfully grown....
Enhancing the first-order hyperpolarizability of chalcone by including functional groups with varying electron donating capacities in its molecular structure is an effective strategy for designing organic terahertz (THz) crystals. By substitution a heterocyclic ring (pyridine or furan, respectively) benzene ring, two derivatives, 6MN3PP and 6MN2FP, were designed synthesized. Solvent evaporation was used to harvest 5 × 4 0.02 mm3 crystal, which had second harmonic generation (SHG) efficiency...
Novel organic nonlinear optical (NLO) crystals of cation–anion assembly with push–pull chromophores are reported. Two hydrates 2,3,4-trimethoxy benzaldehyde-N-methyl-4-stilbazolium (TMBS)-based were designed and synthesized by the introduction trimethoxy into pyridinium-based derivatives. Both exhibit second-harmonic sensitivity, 2.2 19× KDP for TMBS-BS TMBS-T, respectively. Remarkably, first-principles calculations indicate that second-order NLO coefficient TMBS-T is d33 = −40.05 pm/V @1064...
Abstract A type of organic nonlinear optical (NLO) material EBQ‐T (2‐(4‐ethoxystyryl)‐1‐methyl‐quinolinium 4‐methylbenzenesulfonate) is synthesized, and the crystal with a size 11 × 5 2 mm 3 grown by evaporation method in methanol. Single X‐ray diffraction (XRD) analysis confirms that belongs to non‐centrosymmetric Cc space group, edge molecular orbital energy gap (HOMO‐LUMO) calculated. Proton nuclear magnetic resonance ( 1 H NMR) fourier transform infra‐red (FT‐IR) tests further verify...