Chemical instability at chalcogenide surfaces impacts chalcopyrite devices well beyond the surface
oleh: Diego Colombara, Hossam Elanzeery, Nicoleta Nicoara, Deepanjan Sharma, Marcel Claro, Torsten Schwarz, Anna Koprek, Max Hilaire Wolter, Michele Melchiorre, Mohit Sood, Nathalie Valle, Oleksandr Bondarchuk, Finn Babbe, Conrad Spindler, Oana Cojocaru-Miredin, Dierk Raabe, Phillip J. Dale, Sascha Sadewasser, Susanne Siebentritt
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2020-07-01 |
Deskripsi
Anion vacancies are a hurdle for technologies based on chalcogenide semiconductors and topological insulators. Even at room temperature, oxidation and cyanide etching can lead to selenium vacancies in CuInSe2 photovoltaic material but suitable post deposition treatments can mitigate their effect.