SKU: 3174453762

SiO2 coated upconverting nanoparticles(Purpleblue)

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Description

SiO2 coated upconverting nanoparticles(Purpleblue)Product Name Name: SiO2 coated upconverting nanoparticlesPurple and blue light? span> Product Overview Upconversion nanoparticles (UCNPs) are nanomaterials that can convert low energy light into high energy light. They are composed of inorganic nanocrystals doped with rare earth ions and have unique upconversion luminescence properties. Rare earth upconversion luminescence is based on the 4f electron transition of lanthanide rare earth ions.

Product Name

Name: SiO2 coated upconverting nanoparticles(Purple and blue lightï¼?/span>

Product Overview

Upconversion nanoparticles (UCNPs) are nanomaterials that can convert low-energy light into high-energy light. They are composed of inorganic nanocrystals doped with rare earth ions and have unique upconversion luminescence properties. Rare earth upconversion luminescence is based on the 4f electron transition of lanthanide rare earth ions. Currently, the common upconversion luminescence mechanisms can be summarized into three types: excited state absorption, energy transfer upconversion, and photon avalanche.

The preparation methods of upconversion nanoparticles mainly include coprecipitation method, high-temperature pyrolysis method, hydrothermal method, solvothermal method, sol gel method, etc. In order to widely apply UCNPs in the biomedical field, in addition to improving luminescence efficiency, it is also necessary to functionalize their surfaces to enhance water solubility and biocompatibility, and achieve multifunctionality. The main surface modification methods include ligand exchange (PEG, PEI, etc. with - COOH, - NH2 groups), ligand oxidation, ligand adsorption, layer by layer self-assembly, and silica coating.

Most of the rare earth doped ions in the nuclear nanoparticles are exposed on the crystal surface, which is prone to non radiative energy transfer with the external environment, leading to fluorescence quenching and thus reducing the upconversion luminescence efficiency. The most commonly used method to reduce this quenching process is to wrap an inert shell layer on the surface of doped nanocrystals to form a core-shell structure, which confines the luminescent ions in the internal core. The shell layer increases the distance between the luminescent center ion and the external environment, effectively reducing energy transfer and thus increasing the luminescence efficiency. At present, the most commonly used method is to modify the shell layer in the previously synthesized nuclear layer structure that is the same as the matrix material, such as NaYF: Yb, Er@NaYF4 NaYF4: Yb, Tm@NaYF4.

Technical Parameter

Emission wavelength: 365/475nm

Excitation wavelength: 975-980nm

Particle diameter:50+/-10nm  Subject to actual measurement

Main componentsNaYREF4 (RE:Yb, Tm) 

Product Features

Colorful luminescence: By changing the type and concentration of rare earth ions doped, multi-color luminescence from visible light to near-infrared light can be achieved.

Stokes shift is large: Stokes shift refers to the difference between the emission wavelength and the excitation wavelength. The Stokes shift of upconversion nanoparticles is relatively large, which can effectively reduce self absorption and background interference, improve luminescence efficiency and detection sensitivity.

Good photostability: Upconversion nanoparticles have good photostability and can maintain stable luminescence performance under long-term illumination.

Good biocompatibility: Through surface modification, upconversion nanoparticles can be coupled with biomolecules (such as proteins, antibodies, etc.) to achieve biological labeling and detection.

Non damaging to biological tissues: Its excitation light source near-infrared light (980nm or 808nm) has strong light penetration, almost no damage to biological tissues, and no background fluorescence.


Application Fields

Biomedical: Upconversion nanoparticles can serve as biomarkers for cell imaging, biological detection, drug delivery, and other applications. For example, coupling upconversion nanoparticles with antibodies or biomolecules can achieve targeted labeling and detection of specific cells or biomolecules.

Optical imaging: Upconversion nanoparticles can be used for deep tissue imaging, such as in vivo animal imaging. Due to its longer emission wavelength, it can penetrate deeper biological tissues, reduce tissue scattering and self fluorescence interference, and improve imaging clarity and contrast.

Photocatalysis: Upconversion nanoparticles can convert visible light into ultraviolet or near-infrared light, thereby broadening the spectral response range of photocatalytic materials and improving photocatalytic efficiency.

Solar cells: Upconversion nanoparticles can be used to improve the efficiency of solar cells. By combining upconversion nanoparticles with solar cell materials, low-energy photons can be converted into high-energy photons, increasing the absorption and utilization of solar light by the cell.

Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 3174453762

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Randy H.
Whiting, US
★★★★★ 5
Good hitch cover
Color: Black, Size: 1
This is a well made,tight fitting hitch cover but the holding strap is too small to go over the hitch lip so I used my wife’s hair dryer to heat it up a skosh and voila! Fit like a charm! I recommend this cover.
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Reviewed in the United States on February 22, 2026
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Shawn
Alexandria, US
★★★★★ 5
Should have been like this from the factory!
Size: For 3rd Gen Tacoma (2016-2023), Color: Black
bgucar Driver Side A-Pillar Grab Handle for Toyota Tacoma is a practical interior upgrade designed to provide added support, convenience, and style for Tacoma owners. Built specifically for Toyota Tacoma models, this grab handle offers a secure grip for entering and exiting the vehicle while also enhancing the rugged appearance of the interior. One of the first things I noticed about the bgucar Driver Side A-Pillar Grab Handle is how sturdy and comfortable it feels once installed. The handle provides excellent support when getting into the truck, especially for lifted Tacomas or vehicles with larger tires that sit higher off the ground. The construction feels durable and well-made, with solid materials that match the rugged nature of the Tacoma. The handle has a secure grip texture that feels comfortable in the hand while maintaining stability during daily use and off-road driving. Installation is another major advantage. The grab handle is designed for a straightforward fit on compatible Toyota Tacoma models, and the included hardware makes the process relatively simple. Most users can complete the installation with basic tools in a short amount of time. Another standout feature is the improved accessibility it provides. Whether climbing into the truck, navigating uneven terrain, or assisting passengers, the handle adds extra confidence and convenience during entry and exit. The design also blends nicely with the Tacoma’s interior styling. It looks like a factory-style upgrade rather than an aftermarket accessory, helping maintain a clean and cohesive appearance inside the cabin. I also appreciate the added functionality during off-road trips and rough driving conditions. The grab handle offers additional stability for the driver when traveling over bumps, trails, or uneven surfaces, making the driving experience feel more secure. The finish and overall appearance are attractive and complement the rugged personality of the Tacoma. It adds a subtle but useful enhancement without looking bulky or out of place. Another benefit is the durability during long-term use. The handle remains firmly mounted without rattling or loosening, even after repeated use and exposure to varying driving conditions. The packaging is organized and includes the necessary mounting components, making installation easier and more convenient. Instructions are generally clear, helping simplify the setup process for first-time installers. For Tacoma owners looking for a functional and stylish interior accessory, the bgucar Driver Side A-Pillar Grab Handle is an excellent option. Its sturdy construction, easy installation, and practical support make it a valuable addition for both daily driving and off-road adventures. After regular use, I’ve been very satisfied with its overall quality and performance. The added support makes entering and exiting the truck easier, while the durable design provides confidence during every drive. Overall, the bgucar Driver Side A-Pillar Grab Handle for Toyota Tacoma is a highly recommended upgrade for drivers seeking improved convenience, support, and interior functionality. Its durable build, secure grip, and factory-style appearance make it a smart addition for enhancing both comfort and usability.
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Reviewed in the United States on May 25, 2026
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Petros.Philosophia
West Palm Beach, US
★★★★★ 5
High quality grab handle for 3rd Gen Tacoma
Size: For 3rd Gen Tacoma (2016-2023), Color: Gray, Size: For 3rd Gen Tacoma (2016-2023), Color: Gray
Wanted one of these driver side grab handles for while but could only find it in black. When I saw it available in my trim color immediately ordered it. Installation was a breeze, the fit and color match is absolute perfection with a solid, firm mount. Looks and functions like OEM. This is a high quality, well designed grab handle.
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Reviewed in the United States on March 21, 2026
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Jonathan
Bozeman, US
★★★★★ 5
Best Tacoma interior mod hands down!
Size: For 3rd Gen Tacoma (2016-2023), Color: Black, Size: For 3rd Gen Tacoma (2016-2023), Color: Black
One of the best mods you can do for your Tacoma. I love my truck but the biggest gripe for the interior was no grab handle on the driver side. This solves that with a very OEM look. Only took about 5 minutes to install and comes with all the hardware and even tools to do so. It is very sturdy as well. If you’re on the fence about buying it just purchase it! Well worth the money.
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Reviewed in the United States on March 31, 2026
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blackdress1800
Los Angeles, US
★★★★★ 5
Looks Factory, Installs in Minutes
Size: For 3rd Gen Tacoma (2016-2023), Color: Black
This driver-side A-pillar grab handle was exactly what my Tacoma should’ve had from the factory. Installation was genuinely easy. The instructions were clear and straightforward, and while a tool is included, I found a long 10mm socket made the job even faster and easier—especially for getting clean torque without fighting angles. Fitment was spot on with no gaps, rattles, or creaking once installed. The texture and finish match the passenger side perfectly, so it doesn’t scream “aftermarket” at all. It looks OEM because, functionally and visually, it might as well be. Solid feel, sturdy construction, and a big improvement for getting in and out of the truck. Five stars without hesitation.
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Reviewed in the United States on January 7, 2026

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