Apr 19 2013
Topics Covered
Description
Applications
Chemical Properties
Electrical Properties
Thermal, Mechanical and Optical Properties
Safety Information
Description
Copper sulfide belongs to a family of chemical compounds and minerals with the formula CuxSy. It can be classified into three groups, namely monosulfide, disulfide and mixed monosulfide. Copper sulfide occurs naturally in nature as a mineral called covellite. It conducts electricity moderately. Both synthetic materials and minerals contain copper sulfide.
Applications
Copper sulfide finds applications in the following:
-
Solar cells
-
Superionic conductors
-
Photodetectors
-
Electroconductive electrodes
-
Photothermal conversion devices
-
Microwave shielding coating
-
Active absorbents of radio waves
-
Gas sensors
-
Polarizers of infrared radiation
Chemical Properties
The chemical properties of copper sulfide are provided in the table below:
|
Chemical Properties |
|
Chemical Formula |
CuS |
|
Molecular Weight |
95.61 |
|
CAS No. |
1317-40-4 |
|
Group |
Copper 11
Sulfur 16 |
|
Crystal Structure |
Hexagonal |
|
Lattice Constant |
3.961 Å |
Electrical Properties
The electrical properties of copper sulfide are provided in the table below:
|
Electrical Properties |
|
Band Gap |
1.21 eV |
|
Hole Mobility |
5.5 - 9 cm2/Vs |
Mechanical and Optical Properties
The mechanical and optical properties of copper sulfide are provided in the tables below:
|
Mechanical Properties |
|
Density |
4.6 g/cm3 |
|
Melting Point |
103°C |
|
Boiling Point |
220°C |
|
Optical Properties |
|
Refractive Index |
1.45 |
Safety Information
|
Safety Information |
|
GHS Hazard Statements |
H302: Harmful if swallowed.
H315: Irritating to skin.
H317: May cause an allergic skin reaction.
H318: Causes serious eye damage.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H341: Suspected of causing genetic defects.
H350: May cause cancer by inhalation.
H360: May damage fertility or the unborn child.
H372: Causes damage to organs through prolonged or repeated exposure by inhalation.
H410: Very toxic to aquatic life with long lasting effects |
|
Safety Precautions |
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust or fume.
P264: Wash exposed skin thoroughly after handling.
P270: Do no eat, drink or smoke when using this product.
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P284: In case of inadequate ventilation, wear respiratory protection.
P273: Avoid release to the environment |