Nematic Liquid Crystal: How Much Do You Know?

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Do you know what nematic liquid crystals are? If not, you’re in for a treat! In this blog post, we will discuss the nematic liquid crystal phase and its many properties. This phase is characterized by molecules that have no positional order but tend to point in the same direction (along the direction). Nematic liquid crystals are used in a variety of applications, including LCD displays and optical filters. Stay tuned for more information on nematic liquid crystals!

nematic liquid crystal

What is a nematic liquid crystal?

Liquid crystals are a type of matter that has some properties of both liquids and solids. Unlike a regular liquid, the molecules in a liquid crystal are oriented in a specific way. This gives the liquid crystal a definite shape, even though it can flow like a liquid.

Nematic liquid crystals are the most common type of liquid crystal. In nematic crystals, the molecules are aligned parallel to each other. This type of liquid crystal is used in several different technologies, including LCD displays and temperature sensors. When used in an LCD display, nematic liquid crystals help to control the brightness of the screen. The molecules in the nematic liquid crystal align themselves in response to an electric field. By varying the strength of the electric field, the screen can be made brighter or dimmer. Temperature sensors also make use of the properties of nematic liquid crystals. The molecular orientation of these liquids is sensitive to temperature changes.

By measuring the amount of light that passes through a sample of nematic liquid crystal, it is possible to determine its temperature. As a result, these materials are often used in thermometers and other devices that measure temperature.

What are the applications of nematic liquid crystals?

1. The nematic liquid crystals are used in various applications ranging from display technologies such as LCD screens to optical devices and sensors. In LCD screens, the nematic liquid crystals are aligned in parallel by an electric field and then exposed to polarized light.

2. This causes the light to be scattered, creating the images we see on the screen. Optical devices such as phase-change memory utilize the properties of nematic liquid crystals to store data. When heated, the liquid crystals change from a disorderly state to a more ordered state, which can be used to store a binary bit. However, when cooled, the crystals revert back to their original state, meaning that the data can be erased and rewritten.

3. Liquid crystal-based sensors are used in temperature measurement as well as biochemical sensing. The molecules in the liquid crystal change their orientation in response to changes in temperature or pH, which can be detected and measured electronically. Consequently, nematic liquid crystals have a wide range of potential applications in many different fields.

What are the properties of nematic liquid crystals?

Nematic liquid crystals are a type of phase of matter with long-range orientational order but positional disorder within the same molecule. It is thermodynamically stable only when the molecules are locked into specific orientations by surface interactions, so the phase is restricted to thin layers sandwiched between walls that constrain the orientation.

The molecules inside a nematic are free to slide past one another, and as a result, these liquids flow like oil. However, they also have some properties in common with solids, such as the ability to change their shape in response to an applied electrical field.

The molecules in a nematic are aligned parallel to one another, and this alignment gives rise to unique optical properties. For example, nematics can be used in LCD displays because they can be made to change their shape by applying an electric field. This property can be used to control the amount of light that passes through the liquid crystal, which allows for the creation of clear images.

Why you should choose Dakenchem for liquid crystal molecules?

At Dakenchem, we are committed to providing our customers with the highest quality liquid crystal molecules. We have over 38 years of experience in manufacturing and customizing liquid crystals. Our products are used in a variety of industries, from LCDs and OLEDs to semiconductors and solar cells.

We offer a wide range of liquid crystal molecules, including monomers, oligomers, and polymers, and our state-of-the-art facilities allow us to produce customized molecules to meet your specific needs. In addition, our team of experts is always available to provide support and advice. When you choose Dakenchem, you can be confident that you are working with the best in the business.

Below are part of our main products: 

Product CAS NO.
4-tert-Butylthiophenol 2396-68-1
RM257 174063-87-7
R6M RM82 125248-71-7
RM23 83847-14-7
RM105 82200-53-1
LC242 187585-64-4
4-((6-(methacryloyloxy)hexyl)oxy)benzoic acid 91652-00-5 
2,5-Dihydroxybenzaldehyde 1194-98-5
6-(4-hydroxyphenoxy)hexyl acrylate 161841-12-9
4-((6-(acryloyloxy)hexyl)oxy)benzoic acid 83883-26-5
4-((11-(acryloyl oxy)undecyl)oxy)benzoic acid 106620-90-0
4-(6-Acryloyloxyhexyloxy)-benzoesure(4-(trans-4-propylcyclohexyl)-phenylester) 182311-45-1
Nafamostat mesylate  82956-11-4

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