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Buxton & District
Science DiscussionWhat are we going to talk about
• Introduction • Basic chemistry – Carbon from diamond to
graphene• Properties and production • Projected uses and time scales • Questions (preferably simple)
Buxton & District
Science DiscussionHow to make graphene with sticky tape
Video
Buxton & District
Science Discussion
Other ways of making graphene
Buxton & District
Science Discussion
Roll-to-roll production of 30-inch graphene films for transparent electrodes
a) Copper foil wrapping around a 7.5-inch quartz tube to be inserted into an 8-inch quartz reactor. The lower image shows the stage in which the copper foil reacts with CH4 and H2 gases at high temperatures.
Buxton & District
Science Discussion
Roll-to-roll production of 30-inch graphene films for transparent electrodes
b) Roll-to-roll transfer of graphene films from a thermal release tape to a PET film at 120 °C.
Buxton & District
Science Discussion
c) A transparent ultralarge-area graphene film transferred on a 35-inch PET sheet.
Buxton & District
Science Discussion
Roll-to-roll production of 30-inch graphene films for transparent electrodes
d) Screen printing process of silver paste electrodes on graphene/PET film. The inset shows 3.1-inch graphene/PET panels patterned with silver electrodes before assembly.