Description

Zn4Sb3 is a well-defined intermetallic compound with the chemical formula Zn4Sb3 CAS NO 12039-42-8. This material is of significant industrial interest due to its excellent thermoelectric properties, particularly its high figure of merit (ZT) at moderate temperatures. It is primarily sought by manufacturers and researchers in the fields of thermoelectric energy conversion and advanced materials science for developing efficient waste heat recovery systems and solid-state cooling devices.

Application

• Thermoelectric Generator (TEG) Modules: As a key p-type leg material for converting waste heat from industrial processes, automotive exhaust, or power plants into usable electrical energy.
• Solid-State Peltier Coolers: For precise temperature control in specialized electronic components, scientific instruments, and medical devices.
• Advanced Material Research: Serving as a benchmark and base material for studying and developing new high-performance thermoelectric compounds and composites.
• Energy Harvesting Devices: Integration into small-scale systems for powering sensors and IoT devices using ambient heat gradients.
• Doping Studies: Used as a host matrix for doping with other elements (e.g., Sn, Cd, Te) to further optimize its thermoelectric performance and mechanical stability.
• Sintered Components: Fabrication of durable, sintered thermoelectric elements for high-temperature and long-duration applications.

Basic Information

Product Name	Zn4Sb3
CAS No.	12039-42-8
Molecular Formula	Zn4Sb3
Molecular Weight	661.76 g/mol
Synonyms	Zinc Antimonide (Zn4Sb3); Zinc tetrantimonide; Trizinc tris(antimonide); Thermoelectric Zinc Antimonide; β-Zn4Sb3; Zinc Antimony Alloy; p-type Zn-Sb alloy
EINECS	234-896-0

Quality Control

Our Zn4Sb3 is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and high performance. We provide comprehensive Certificates of Analysis (COA) detailing phase purity, elemental composition, and key thermoelectric parameters. Our quality systems are designed to support research and industrial scale-up requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and should be handled under inert atmosphere (e.g., argon or nitrogen) when necessary for prolonged exposure to prevent surface oxidation.

Specification

Item	Specification
Appearance	Gray metallic solid, powder or sintered pieces
Phase Purity (XRD)	β-Zn4Sb3 phase ≥ 98%
Assay (Zn/Sb molar ratio)	1.33 ± 0.02
Particle Size (D50, for powder)	Customizable (e.g., 1-50 µm)
Density (for sintered pellets)	> 95% of theoretical density
Thermal Conductivity (at 300K)	< 1.0 W/m·K
Seebeck Coefficient (at 300K)	> 150 µV/K
Trace Metals (ICP-OES)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.