SKU: 23385315121

PbTe pyroelectric material

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Description

PbTe pyroelectric materialProduct Name Name: PbTe pyroelectric material Product Overview Thermoelectric materials are functional materials that can convert thermal and electrical energy by utilizing their internal charge carriers and phonons. The effective operation of thermoelectric materials is mainly based on three physical effects, namely the Seebeck Effect (discovered in 1794, referring to the phenomenon of thermal to electrical conversion between two different

Product Name

Name:PbTe pyroelectric material

Product Overview

 

Thermoelectric materials are functional materials that can convert thermal and electrical energy by utilizing their internal charge carriers and phonons. The effective operation of thermoelectric materials is mainly based on three physical effects, namely the Seebeck Effect (discovered in 1794, referring to the phenomenon of thermal to electrical conversion between two different conductors), the Peltier Effect (discovered in 1834, the phenomenon of electrical to thermal conversion between two different conductors), and the Thomson Effect (discovered in 1851, the phenomenon of heat absorption and release in a single conductor).

The conversion efficiency of thermoelectric materials is determined by the dimensionless parameter - thermoelectric figure of merit ZT, and its calculation formula is:

ZT=σ S2T/k, where σ is the conductivity, S is the Seeback coefficient, which is the inherent electronic transport performance parameter of thermoelectric materials, T is the temperature, and k is the total thermal conductivity. A common method to improve the performance of thermoelectric materials is to introduce multi-scale second phases to regulate the microstructure of thermoelectric materials, thereby changing the band structure and crystal structure of the matrix to coordinate various parameters and optimize their thermoelectric transmission performance.

Traditional inorganic thermoelectric materials are currently a type of thermoelectric material with a wide range of applications and a long research time. Mainly including Mg based thermoelectric materials (Mg2X (X=Si, Sn)), Bi2Te3 based thermoelectric materials, SiGe based thermoelectric materials, PbX (X=S, Se, Te) based thermoelectric materials, SnX (X=S, Se) based thermoelectric materials, GeTe based thermoelectric materials, and oxide based thermoelectric materials.

PbTe based thermoelectric materials are thermoelectric materials in the medium temperature range, exhibiting excellent thermoelectric properties in the temperature range of 300-900K. Its bandgap width is about 0.3 eV, belonging to wide bandgap semiconductors, with a typical NaCl type crystal structure, highly symmetrical crystal structure, and high conductivity. At the same time, its band structure is also relatively complex, and the strong non harmonic vibration caused by local eccentricity of Pb atoms makes PbTe have low thermal conductivity while having a high Seebeck coefficient.


Technical Parameter

 

Thickness: 50-300 nm

Appearance: Grey black powder

Main ingredient: Bi0.4Sb1.6Te3

Semiconductor type: P-type

 

Product Features

1. It has a high carrier mobility, which is beneficial for improving conductivity.

2. It exhibits good thermoelectric performance in the medium to high temperature range of 300-900K.

3. By incorporating elements such as Sb, the electrical and thermal properties are optimized and improved


Application Fields

 

1. Energy Conversion: A PbTe based thermoelectric material exhaust waste heat recovery device can convert some of the exhaust heat energy into electrical energy and store it for use in vehicle lighting or auxiliary equipment;

2. Temperature difference power generation: It can be made into flexible electronic wearable devices to intelligently detect the temperature difference between the human body and the environment; The power generation device based on PbTe based thermoelectric materials can use temperature difference to supply power to meteorological monitoring equipment.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 23385315121

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Ieshia A.
Phoenix, US
★★★★★ 5
Beautiful OLEVS Luxury Square Chronograph Watch
Color: 2942 All Black
This OLEVS luxury square watch definitely makes a bold first impression. The oversized rectangular face combined with the black stainless steel strap and rose gold accents gives it a modern, high-end look that stands out without trying too hard. It has that “statement piece” vibe perfect if you want your accessories to get noticed. The dial design is where this watch really shines. It features multiple sub-dials, a moon phase display, and luminous hands, all layered into a skeleton-style face that feels detailed and slightly futuristic. While it looks complex, the layout is still readable once you get used to it. The luminous feature is a nice touch for low-light visibility, though it’s not extremely bright. In terms of build, the stainless steel strap feels sturdy and durable, and the watch has a solid weight to it and giving it a premium feel on the wrist. The clasp is secure, though you may need to adjust the links for a perfect fit. The water resistance is suitable for everyday splashes, but it’s not something you’d want to rely on for swimming. The quartz movement will keeps accurate time, and the chronograph functions add a sporty edge, though they’re more of a bonus feature than something most people will use daily. Pros: * Eye-catching, luxury-inspired design * Durable stainless steel build * Multifunction dial with chronograph and moon phase * Comfortable weight with a premium feel Cons: * Dial can feel a bit busy at first * Luminous feature is moderate, not very strong * Not ideal for heavy water exposure This OLEVS watch is a great choice if you’re looking for an affordable timepiece that looks far more expensive than it is. It blends style and functionality well, making it perfect for dressy occasions or elevating everyday outfits.
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Reviewed in the United States on April 25, 2026
P
Peter
Lexington, US
★★★★★ 5
Amazingly nice watch!
Color: 2942 Silver Black
I'm a big watch guy. I own many watches, of various brands, styles, and colors, along with both an Android and Apple watch. I like being able to pick a watch that goes just right with what I'm wearing. All that being said, this watch is an excellent addition to my collection, and here are my thoughts after having worn it multiple times. This watch looks incredibly nice and is very well made for the price. It's currently around $50, and that's amazingly affordable considering the quality you get. I have the Silver Black version and it's gorgeous. It keeps time without issue and is easy to read, even in the dark thanks to a special coating that absorbs light. There are additional smaller dials inset that are also still easy to read, despite the smaller size. Setting time and date is easy, and I was able to adjust the band easily with the provided adjustment tool. This watch is on the heavier side and I like the feel of it, but I know some people prefer lighter watches, so keep that in mind. Nevertheless, I find it comfortable and classy. Overall, I really like this watch and I highly recommend it. At its current price, it's an instant buy.
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Reviewed in the United States on May 28, 2026
T
Tanisha R
Chelsea, US
★★★★★ 5
Bold and Eye Catching Watch That Adds Style to Any Outfit
Color: 2942 Black Red
I picked up this OLEVS square face watch because I wanted something that stood out more than a basic everyday watch. When it arrived, the first thing I noticed was how bold the design is. The large face and black with red accents really catch your attention, and it gives off a stylish look that works well with both casual and dressier outfits. One thing I really like about this watch is how much detail it has. The multiple dials give it a more high end look, and it feels like more than just a simple timepiece. The weight feels solid on my wrist without being uncomfortable, and the strap fits well once adjusted. I also like that it is easy to read the time, even with all the extra design elements. There are a couple small things I noticed after wearing it. The larger face may feel a bit bulky at first, especially if you are used to smaller watches. The design is also very bold, so it may not match every outfit depending on the look you are going for. Even with those small things, I have really enjoyed wearing it. It is a stylish and eye catching watch that adds personality and works well when you want something a little different.
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Reviewed in the United States on April 26, 2026
J
Jason A
Waukegan, US
★★★★★ 5
Love the squarish shape dials are cool and helpful. ❤️‍🔥
Color: 2942 All Blue, Color: 2942 All Blue
There's a lot to love about this watch. The squared profile gives you that big watch look without being gaudy or ridiculous. The blue with gold accents look great with both dress and casual clothes, especially denim. I love this watch's features and I've gotten multiple compliments on it. great value all around. Here's what stands out to me: ✅ The blue with gold accents are really stunning and unique. I've had people start conversations with me over this watch. 👍 ✅ The squarish shape is complimentary for average and smaller wrists (doesn't look too bulky.) ✅ Gold accents look very distinguished, and the blue is great with jeans or a blue suit, very unique. ✅ The sun and moon dial is a beautiful feature that makes me happy. 🤷😅 ✅ The 24hr time dial is extremely helpful. I need to refer to military time so that's nice. 🪖💪 ✅ At a glance, the hands and accents are great for far-sighted folks like me. ✅ It's nice to have a date window at the bottom for quick reference. ✅ The linked watch band is comfortable and has a great symmetrical and slim profile that doesn't add bulk and doesn't pull at arm hair. ✅ The band does not sound hollow or jingle. (why I shake it in the video) ✅ The buttons and time setting are easy to access. I'm really enjoying the quality and look of this watch but if there are any changes in my opinion or its quality, I'll be sure to report back in. 🤞 I hope you found my notes, pictures and video useful. Be well! ❤️‍🔥
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Reviewed in the United States on April 27, 2026
J
J H I N G
Boise, US
★★★★★ 4
Highly detailed inner face wide and big very manly for a deserving man...
Color: 2942 Silver Black
On par with other Men's luxury Chronograph Dress watches with one exception that levels this up. This has a luminous markers activated when exposed to bright light for 20 seconds. That is something I really like, and not commonly found anymore. My other men's watch is a mechanical swiss watch that you can see the movements and rotaries inside very detailed. This may not have that but this is still very luxurious looking and feeling. This has the luminous markers while my other one doesn't but to be fair, that other one costs above $90, so this was a fair price for this luxurious Men's watch. I find this durable and the clasp gave me no issues.
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Reviewed in the United States on May 19, 2026

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