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- Title
Separation of Tellurium from Metal Chalcogenides through Mild Anhydrous Chlorination.
- Authors
Uible, Madeleine C.; Kieser, Jerod M.; Bart, Suzanne C.
- Abstract
The separation of tellurium from cadmium telluride is examined using a unique combination of mild, anhydrous chlorination and complexation of the subsequent tellurium tetrachloride with 3,5‐di‐tert‐butylcatecholate ligands (dtbc). The resulting tellurium complex, Te(dtbc)2, is isolated in moderate yield and features a 103 to 104 reduction in cadmium content, as provided by XRF and ICP‐MS analysis. Similar results were obtained from zinc telluride. A significant separation between Te, Se, and S was observed after treating a complex mixture of metal chalcogenides with this protocol. These three tunable steps can be applied for future applications of CdTe photovoltaic waste.
- Subjects
TELLURIUM; CHLORINATION; ZINC telluride; CHALCOGENIDES; METALS; CADMIUM telluride
- Publication
Chemistry - A European Journal, 2023, Vol 29, Issue 7, p1
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202202364