According to the Clarkson University of the United States (Carkson University), this transparent silica hull hides light-emitting nanoparticles inside rather than using quantum confinement like quantum dots (quantum- Confinement) works with higher brightness.
Igor Sokolov, a professor of physics at Clarkson University, said that this bright mesoporous silica nanoparticle has the potential to be used in medical, biological, material science and environmental protection applications to enable more accurate detection of contaminants in the environment and Biosensors, defense detection devices, etc.
The principle of light-emitting nanoparticles is to absorb light of a single wavelength and then emit it in other places; through functionalization, such particles can emit light only when the target to be measured appears. The use of ultra-sensitive nano-particles allows trace amounts of contaminants or poisons to be detected.
The method used by Sokolov is to seal a large amount of organic light-emitting molecules inside the mesoporous silica hull (20-50 nanometers in diameter); to illustrate the brightness, he expressed the brightness of those particles with a diameter of about 40 nanometers. Higher than the diameter of 25-30 nanometers of water-dispersed quantum dots - is currently known as the highest brightness quantum dots.
High-brightness, light-emitting, mesoporous silica nanoparticles taken with a transmission electron microscope (TEM) (images are artificially colored to match the actual dye color in the particles)
The above studies were conducted by Sokolov together with postdoctoral fellows Shajesh Palantavida, Eun-Bum Cho (currently Assistant Professor of Science and Technology, Seoul National University), and a Ph.D. student Dmytro Volkov, and were developed by the National Science Foundation (NSF) and the U.S. Army. Laboratory sponsored.
Lock motor product introduction:
Intelligent lock motor, also known as electronic locks, the product effectively combines the advantages of traditional electronic locks and electromagnetic lock overcame the electric lock too much noise, electromagnetic lock power shortage and the development of new products, and spiritual compared with electric control lock and magnetic locks, lock its performance more perfect, more obvious advantages.
Functions: it is widely used in various intelligent locks, such as Shared bicycle lock, fingerprint lock, glass lock, safe lock, hotel lock, family lock, inductive smart lock, etc
Features:Lock motor is based on micro precision reducer development, small intelligent micro precision reducer can do 10 mm in diameter, is widely used in safe, locks, smart locks, sensor intelligent lock;
This kind of motor has the characteristics of low noise, low energy consumption, small volume, light quality, high precision, large torque and durability
Method of use: the best stable in horizontal plane, installed on the lock motor output shaft parts, cannot use a hammer to knock, knock prone to press into the dc lock motor drive, may cause damage to internal components, and cannot be used in the case of blocked.
Operating temperature range:
lock motor should be used at a temperature of -10~60℃.
The figures stated in the catalog specifications are based on use at ordinary room temperature catalog specifications re based on use at ordinary room temperature (approximately20~25℃.
If a lock motor is used outside the prescribed temperature range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.Depending on the temperature conditions ,it may be possible to deal with them by changing the grease of the motor's parts.Please feel free to consult with us about this.
Storage temperature range:
lock motor should be stored ta a temperature of -15~65℃.
In case of storage outside this range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.
Service life:
The longevity of lock motor is greatly affected by the load conditions , the mode of operation,the environment of use ,etc.Therefore,it is necessary to check the conditions under which the product will actually be used .The following conditions will have a negative effect on longevity.Please consult with us should any of them apply.
â—Use with a load that exceeds the rated torque
â—Frequent starting
â—Momentary reversals of turning direction
â—Impact loads
â—Long-term continuous operation
â—Forced turning using the output shaft
â—Use in which the permitted overhang load or the permitted thrust load is exceeded
â—A pulse drive ,e.g.,a short break,counter electromotive force,PWM control
â—Use of a voltage that is nonstandard as regards the rated voltage
â—Use outside the prescribed temperature or relative-humidity range,or in a special environment.
â—Please consult with us about these or any other conditions of use that may apply,so that we can be sure that you select the most appropriate model.
when it come to volume production,we're a major player as well .each month,we rurn out 600000 units,all of which are compliant with the rohs directive.Have any questions or special needed, please contact us, we have the engineer group and best sales department to service to you
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