β Scribed by Wakeham, Steve ;Thwaites, Mike ;Tsakonas, Costas ;Cranton, Wayne ;Ranson, Robert ;Boutaud, Gabriel ;Koutsogeorgis, Demosthenes
No coin nor oath required. For personal study only.
The temperature sensitive nature of the substrates used in the flexible displays market necessitates a low temperature deposition technique for processing them. ZnS:Mn exhibiting high intensity photoluminescence (PL) and good crystallinity has been deposited onto Si wafers, glass microscope slides and polymeric substrates using a new reactive sputtering technology referred to as HiTUS. This technique enables very high deposition rates and requires no substrate heating. When incorporated as part of a complete EL device, asβdeposited ZnS:Mn films are seen to exhibit stable electroluminescence on Si, glass and planarised PET substrate materials. Post annealing of the devices on Si and glass at temperatures of up to 600βΒ°C show that the HiTUS films perform better than equivalent ZnS:Mn films deposited using RF magnetron sputtering.
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