{"product_id":"pl","title":"PL","description":"\u003cp\u003eProduct Name PL Product Overview English Introduction: Photoluminescence (PL) fluorescence spectroscopy testing is a core precision detection technology for characterizing the optical properties, fluorescence characteristics, energy level structure and luminescence mechanism of materials. By exciting samples with a specific wavelength light source to generate electron transition and radiative composite luminescence, it accurately collects the optimal excitation wavelength, optimal emission wavelength and full-band fluorescence spectrum signals of samples. It can analyze key optical parameters such as material luminescence intensity, fluorescence quantum yield, spectral shift, luminescence peak value, defect luminescence and energy band gap. It is widely applied in fluorescent materials, quantum dots, rare earth luminescent materials, organic luminescent molecules, semiconductor materials and photosensitive materials. Equipped with the Gangdong Technology F380 high-precision fluorescence spectrophotometer, this testing service covers a wavelength range of 200–900nm, supports conventional optimal excitation\/emission spectrum scanning and incremental testing of multiple emission wavelengths. With stable data and high resolution, the test results can be directly used for scientific paper publication, optical mechanism demonstration, material modification effect verification and product optical performance calibration. Technical Parameter English Parameters: Instrument Model: Gangdong Technology F380 high-precision fluorescence spectrophotometer, a scientific research-grade molecular fluorescence spectrum testing equipment suitable for conventional and refined optical performance characterization of solid and liquid materials Test Wavelength Range: Full-range scanning from 200nm to 900nm, covering ultraviolet, visible and near-infrared luminescence bands to meet the spectral testing needs of most fluorescent materials Optical System: Adopts 1200L\/mm concave holographic grating with independent configuration of excitation and emission double monochromators, featuring high spectral resolution, effective stray light interference avoidance and stable spectral baseline Wavelength Accuracy and Repeatability: Wavelength accuracy ±2.0nm, wavelength repeatability ≤1.0nm, with accurate spectral positioning and excellent data consistency for multiple scans Signal-to-Noise Ratio: The overall signal-to-noise ratio is higher than 250:1 (water Raman peak P-P value), with high sensitivity to accurately capture weak fluorescence signals and spectra of low luminescence intensity samples Scanning Speed: Supports multi-speed adjustable scanning ranging from 30 to 30000nm\/min, high-speed scanning ensures efficiency while low-speed fine scanning adapts to high-precision spectrum acquisition Spectral Bandwidth: Excitation\/emission bandwidth is adjustable in multiple gears (1.0\/2.5\/5.0\/10.0\/20.0nm), enabling parameter optimization according to sample luminescence characteristics Light Source and Receiver: Equipped with 150W long-life xenon lamp light source and high-sensitivity R3788 photomultiplier tube receiver for sensitive and stable signal acquisition Testing Modes: Supports optimal excitation wavelength screening, optimal emission wavelength scanning, fixed-point wavelength testing and multi-wavelength incremental expansion testing to adapt to diversified scientific research schemes Sample Adaptability: Compatible with conventional liquid solution and solid powder sample systems with ultra-low sample consumption, suitable for testing trace high-value fluorescent materials Product Features Wide-range wavelength scanning for full-category fluorescent materials: The ultra-wide 200-900nm test band covers all luminescence ranges from ultraviolet to visible light, and is highly adaptable to various luminescent materials such as quantum dots, rare earth materials, organic fluorescent molecules, semiconductors and photosensitive coatings. Accurate wavelength positioning and excellent spectrum quality: Relying on a high-precision grating optical system and high signal-to-noise ratio configuration, it has strong stray light suppression ability with stable spectral baseline and clear peaks. It can accurately distinguish spectral displacement, intensity changes and subtle luminescence differences, meeting the data standards of top journal scientific research. Flexible layered billing with controllable cost performance: The basic package includes complete optimal excitation\/emission spectrum testing to meet conventional scientific research needs. It supports adding new emission wavelength points on demand with transparent incremental billing rules for single wavelengths, enabling flexible test cost control according to experimental requirements. Trace sample requirement suitable for high-value materials: Only 10mg powder or 1-2mL solution is required for testing without complex pre-treatment, adapting to the detection of trace high-value samples such as quantum dots, rare fluorescent powders and high-purity luminescent solutions. Multi-mode testing with high scientific research adaptability: Integrates basic spectrum scanning and multi-wavelength fixed-point expansion testing functions, meeting refined scientific research scenarios such as material luminescence mechanism analysis, wavelength optimization, multi-condition spectrum comparison and modification effect verification. Stable equipment performance and strong data repeatability: Equipped with a steady-state light source and high-precision signal acquisition system with controllable scanning parameters and extremely low signal drift, it ensures high consistency of multiple test spectra with traceable and repeatable experimental data. Efficient short-cycle delivery and standardized services: Fast delivery within 3-5 working days with open and transparent billing rules and no hidden charges. The standardized testing process adapts to various scenarios including university scientific research, enterprise R\u0026amp;D, paper conclusion and project application. Application Fields Quantum Dot and Nano Luminescent Material Field: Characterization of excitation and emission spectra of water-soluble and oil-soluble quantum dots and nano luminescent powders, analyzing the influence of particle size, ligands and modification processes on luminescence wavelength and fluorescence intensity to support luminescence performance optimization. Rare Earth Luminescent Material Field: Fluorescence spectrum testing of rare earth doped fluorescent powders, rare earth luminescent ceramics and rare earth functional coatings, studying the regulation mechanism of doping ratio and calcination process on energy level transition and luminescence efficiency. Organic Optoelectronic Material Field: Spectral characteristic analysis of organic fluorescent small molecules, conjugated polymers and OLED luminescent materials, screening optimal excitation and emission wavelengths to provide data support for device preparation and optoelectronic performance research. Semiconductor Material Field: Fluorescence spectrum detection of semiconductor nanoparticles, photosensitive semiconductors and two-dimensional luminescent materials, analyzing material band gap structure, defect state luminescence and carrier recombination mechanism. Biological Fluorescence and Pharmaceutical Field: Spectral performance characterization of biological fluorescent probes, medical fluorescent labeling materials and drug luminescent carriers, optimizing wavelength conditions for fluorescence imaging and supporting biological detection and drug tracing research. Environmental and Sensing Material Field: Spectral response testing of fluorescent sensing materials, heavy metal detection fluorescent probes and environment-responsive luminescent materials, verifying the fluorescence response law of materials to environmental media and ion concentration. Material Modification and Process Optimization Field: Comparing PL spectrum changes before and after material modification, doping and compounding, intuitively verifying the improvement effect of processes on luminescence performance, and providing core basis for material luminescence mechanism research and process iteration.\u003c\/p\u003e","brand":"xfnano","offers":[{"title":"1 sample Optimal excitation and optimal emission; wavelength test range 200-900 nm; emission spectrum +100 for each additional wavelength 111281 \/ Store at room temperature \/ 365days","offer_id":57280582484346,"sku":"111281","price":46.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0907\/3606\/6938\/files\/1_27871cef-ce01-415a-9a0e-d29d5e516d17.png?v=1780024497","url":"https:\/\/chinanano.com\/products\/pl","provider":"xfnano","version":"1.0","type":"link"}