SKU: 20155638615

GO quantum dots

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Description

GO quantum dotsProduct Name Name: GO quantum dots Product Overview Graphene quantum dots (GQDs) are nanoscale fragments of graphene with unique physical and chemical properties, such as quantum size effects, edge effects, etc. By specific synthesis methods, the size, shape, and luminescent properties of GQDs can be controlled. At present, Xianfeng Nano's available quantum dots are divided into graphene oxide quantum dots, graphene quantum dots, semiconductor quantum

Product Name

Name: GO quantum dots


Product Overview

 

Graphene quantum dots (GQDs) are nanoscale fragments of graphene with unique physical and chemical properties, such as quantum size effects, edge effects, etc. By specific synthesis methods, the size, shape, and luminescent properties of GQDs can be controlled. At present, Xianfeng Nano's available quantum dots are divided into graphene oxide quantum dots, graphene quantum dots, semiconductor quantum dots, etc. Customers can choose according to their experimental needs. The preparation methods of graphene quantum dots on sale are divided into bottom-up and top-down, with different colors of luminescence available, such as green light, blue light, red light, and white light. Meanwhile, graphene quantum dots with different functional groups can be selected, which is also helpful for later modification coupling. In addition, nitrogen doped and boron doped graphene quantum dots can be selected. At present, the applications of graphene quantum dots are mostly focused on fluorescence imaging, nanoadditives, antibacterial, and biotoxicity.


Technical Parameter

 

Synthesis method :Organic synthesis method  Contain a small amount of NaOH

Light intensity:With high luminous intensity

Size <15 nm

Concentration:1 (Max: 20) mg/mL   

at.%:10%


 

Product Features

 

Quantum effects: Due to their extremely small size (below tens of nanometers), GOQDs exhibit significant quantum effects, making their optical properties unique.

Optical performance: The luminescence performance can be optimized by adjusting its size and surface structure.

High surface area: GOQDs have a high surface area, which provides favorable conditions for their applications in catalysis, adsorption, and other fields.

Rich surface functional groups: GOQDs are rich in functional groups on their surface, making them easy to modify and functionalize, thereby expanding their application range.

Stability: GOQDs have a stable structure and are resistant to strong acids, strong bases, and photo corrosion, providing a guarantee for their application in harsh environments.


Application Fields

 

 

Biomedical imaging: GOQDs are used as fluorescent probes in biomedical fields such as cell imaging and cancer diagnosis. Its blue light characteristics make imaging clearer and more accurate.

Optoelectronic devices: In the field of optoelectronic devices, GOQDs can be used to prepare high-performance optoelectronic conversion devices and fluorescent displays. Its excellent luminescent performance gives it a unique advantage in the field of display technology.

Sensors: GOQDs can be used as highly sensitive detection materials for detecting environmental pollutants, biomolecules, etc. Its stability and sensitivity make it widely applicable in the field of sensors.

Drug carrier: GOQDs can also serve as drug carriers, utilizing their blue light properties to achieve precise localization and release of drugs, improving therapeutic efficacy and reducing side effects.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 20155638615

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4.3 ★★★★★
Based on 23 reviews
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Verified Purchase
Vivian Davis
Omaha, US
★★★★★ 5
Works just like it says.
Color: 8-in-1 Silver, Size: Rechargeable
My hands can no longer open a bottle of wine. This makes it so easy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
F
Verified Purchase
Fernando Biancardi P.
Natrona Heights, US
★★★★★ 5
Great device
This wine opener is great. Is small and feels solid It really works. I was also impressed by the automatic dumping of the cork.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
D
Verified Purchase
Diane D
Louisville, US
★★★★★ 5
Best electric corkscrew - by far
I have tried others but this electric corkscrew outshines them all....so far. Really like it. I have been disappointed with some before though if you get a very dry cork that splinters.....but this one has a much smoother operation and just works better. Good price too.
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Reviewed in the United States on April 14, 2026
R
Verified Purchase
RSj
Carnegie, US
★★★★★ 5
It is light weight, rechargeable and it works hands-free.
This wine bottle opener is well designed and well constructed. It comes with a foil cutter and works hands-free when you push the button. It pulls up the cork - and then pushes it back out to discard the cork. It is rechargeable!! It is replacing an older opener that left behind cork fragments in the wine - and ate AA batteries quickly.
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Reviewed in the United States on May 30, 2026
D
Verified Purchase
DME
Cuba, US
★★★★★ 5
Best on the market!
I have tried three other brands of electric cork pullers. The fact that I now invested in a fourth probably telegraphs what this review is all about: this Vinabon device is great, hands down winner in the electric cork puller sweepstakes! First, its motor is more powerful. Some winemakers are employing corks that fit pretty tightly, and the other brands I used would occasionally be unable to remove the cork. The screw would simply stop turning, without ay way of resuming. Advantage: the bottle. Second, it is small, about half the size of the others, leaving a small footprint on the counter. Third, it lasts much longer on a single charge. It doesn't sit in a cradle, because it doesn't need to. Assuming you open 10 to 20 bottles a week, you will be able to go two weeks without needing to plug the charging cable in, and a full charge does not take long. 4 vertical lights on the cylinder tell you how much of a charge remains. Fourth, you simply press and release the start button and maintain gentle pressure on the bottle while the device descends into the cork and removes it. As soon as you remove the device from the bottle, it immediately begins to eject the cork. All with that one touch of the button! Fifth, if you encounter a particularly tight cork, the device will stop, whereupon you push the button again and it continues. A couple of synthetic corks required me to restart 3 for 4 times, but it ultimately conquered them all! That leaves only one issue: a failed cork that breaks during the removal process, because the screw cannot engage the cork enough to remove it without it breaking. To my knowledge, the only solutions to this, with any cork puller, are to resort to an Ah So, or if that cannot do it, just shove the cork down into the bottle, and drink the entire bottle in one evening. Truth to tell, I have, myself, actually enjoyed that latter remedial step, especially with a larger format bottle on an evening when I am dining alone. I cannot yet report on the ultimate problem that seems to vex all electric cork pullers I have owned: If the cork disintegrates within the cylinder during removal, how do you get the remains out? I threw my last cork puller away because I could not remove the cork detritus stuck in the cylinder, rendering the device useless thereafter. If there is a solution to that, I would not be surprised to find that this unit already handles the problem. If BMW were to ever make an electric cork puller, I expect it would be much like this one. t costs almost twice as much as the others I have owned, but you get what you pay for. After all, you can buy a small fleet of Yugo's for the price of a BMW. Bravo, Vinabon! I
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Reviewed in the United States on September 17, 2024

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