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| CADMIUM SELENIDE Basic information |
| CADMIUM SELENIDE Chemical Properties |
Melting point | >1350°C | density | 5.81 g/mL at 25 °C(lit.) | refractive index | 2.87 (900 nm) | storage temp. | 2-8°C | form | granular | color | Brown-red to black | Specific Gravity | 5.81 | Water Solubility | Insoluble in water. | Sensitive | air sensitive, store cold | Crystal Structure | Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc | Merck | 14,1626 | Exposure limits | ACGIH: TWA 0.01 mg/m3; TWA 0.002 mg/m3; TWA 0.2 mg/m3 NIOSH: IDLH 9 mg/m3; IDLH 1 mg/m3; TWA 0.2 mg/m3 | Stability: | store cold | CAS DataBase Reference | 1306-24-7(CAS DataBase Reference) | EPA Substance Registry System | Cadmium selenide (CdSe) (1306-24-7) |
| CADMIUM SELENIDE Usage And Synthesis |
Chemical Properties | 3–12mm pieces (sintered), and -325 mesh 10μm or less with 99.999% purity; white to brown; cub or hexagonal crystal(s); hex: a=0.4309nm, c=0.7021 nm, enthalpy of fusion 305.307 kJ/mol; becomes red in sunlight; used as a red pigment, in semiconductors, and as an evaporation material and sputtering target to produce photoconductive films and infrared filters; possible use in the electrofabrication of microdiode arrays [HAW93] [MER06] [CER91] [KLE93] [KRE91] | Uses | Cadmium selenide is used as a n-type semiconductor and its nanoparticles are used in laser diodes, opto-electronic devices, nanosensing, biomedical imaging and high efficiency solar cells. Since, it is transparent to infrared light, it finds application in photoresistors and windows for instruments utilizing IR light. | Uses | Dispersions with CdS (Aldrich products 208183, 217921) deposited on glass or Si substrates results in tunable red, yellow, or green fluorescent material. | Uses | In photoconductors, semiconductors, photoelectric cells, and rectifiers; in phosphors. | Definition | ChEBI: Cadmium selenide is a cadmium molecular entity. | General Description | CdSe crystal can exist in solid hexagonal or cubic structure. CdSe behaves as an n-type semiconductor, with a bandgap of 1.74 eV (300K).1 | Flammability and Explosibility | Notclassified |
| CADMIUM SELENIDE Preparation Products And Raw materials |
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