It is known that a high-temperature reduced-graphene-oxide (HT-RGO) exhibits 3 orders of magnitude increase in the conductivity compared to original graphene oxide but still 3 orders of magnitude below the value of pristine graphene. Substantial amounts of defects that remain in the reduced sample are responsible for the inferior transport quality....
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FAPESP[06/516510]
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FAPESP[06/516510]
Mn-doped ZnS hybrid crystals with two-dimensional platelet morphology were prepared and their luminescence properties were studied with the variation of Mn concentration. The photoluminescence derived from Mn(2+) increased with increasing Mn concentration to x = 0.2 in Zn(1) (x)Mn(x)S(en)(0.5) (en = ethylenediamine), but further increase reduced th...
FAPESP[06/516510]
Mesoporous ZnS and ZnO nanoplates were fabricated by calcination of a ZnS(en)(0.5) complex (en = ethylenediamine), which was solvothermally synthesized using ethylenediamine as a single solvent. When the synthesized ZnS(en)(0.5) complex was heated, mesoporous nanoplates of wurtzite ZnS were formed, which then transformed to ZnO platelets upon furth...
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