High-purity polycrystalline tungsten diselenide (WSe₂) powder

Product Name Name:High-purity polycrystalline tungsten diselenide (WSe₂) powder Product Overview This product is synthetic tungsten diselenide (WSe₂) polycrystalline powder, a typical two-dimensional layered semiconductor functional material. Prepared by precise synthetic technology, the product features no crystal water, extremely low impurity content, complete crystal structure and uniform and stable performance. WSe₂ has unique photoelectric properties with a single-layer band gap of 1.66 eV. Different from traditional bulk materials, it possesses excellent carrier mobility and optical response performance. It is a core basic raw material for two-dimensional material scientific research, optoelectronic device preparation and energy storage material research, suitable for various precision experiments and high-end material preparation scenarios. Technical Parameter Size:100mesh Product Features • Ultra-high Purity and Controllable Impurities: The product purity is ≥99.95% with strictly controlled trace metal and non-metallic impurities. Tested accurately by ICP-MS, it has no harmful impurity interference and meets the strict requirements of high-precision scientific research and high-end device preparation. • Excellent Semiconductor Photoelectric Properties: It has a stable single-layer band gap of 1.66 eV, excellent photoelectric response characteristics and good carrier transmission performance. Compared with traditional two-dimensional materials, its light absorption and electron migration properties are more suitable for the research and development of optoelectronic devices. • Strong Adaptability and Easy Processing: The 100-mesh powder has uniform particle size and good dispersibility with loose texture. It is perfectly suitable for ultrasonic stripping process to efficiently prepare high-quality single-layer/few-layer WSe₂ nanosheet dispersion with uniform dispersion and few defects. • Stable Structure and Suitable for Energy Storage Research: It has a complete layered crystal structure and moderate interlayer force, with good adaptability to lithium intercalation. The structure can withstand lithiumation/delithiation cycles, making it a high-quality raw material for lithium ion energy storage material modification and energy storage mechanism research. • Mature Process and Uniform Performance: Adopting precise solid-phase synthesis technology, the product has no crystal water and no agglomeration, with high batch stability, consistent parameters of each batch and strong experimental repeatability. Application Fields • Lithium Energy Storage Material Research: Suitable for lithium intercalation experimental research. Relying on the unique layered structure and semiconductor characteristics of WSe₂, it is used for scientific research experiments such as modification of lithium-ion battery electrode materials, exploration of energy storage mechanism and optimization of cycle stability, which can effectively improve the lithium storage performance and cycle life of electrode materials. • Two-dimensional Nanosheet Preparation: Specially adapted to the ultrasonic stripping method, it can efficiently prepare single-layer and few-layer WSe₂ nanosheet dispersions with low defect rate and uniform size, which can be used for the preparation of two-dimensional thin films, flexible devices and nanocomposites. • Optoelectronic Device R&D: With the band gap advantage of 1.66 eV suitable for visible light band, it is used for the R&D and preparation of new optoelectronic functional devices such as photodetectors, light-emitting diodes, solar cells and photocatalytic devices. • Basic Semiconductor Scientific Research: Widely used in basic experimental fields such as physical property research of two-dimensional semiconductor materials, carrier transmission research and quantum material scientific research in universities and research institutes. • New Functional Composite Materials: As a functional filler, it is doped to prepare high-performance composite energy storage materials and optoelectronic composite materials, improving the photoelectric performance and energy storage efficiency of materials. Related Information Please e-mail for the detailed characterization data. E-mail:sales@xfnano.com