Abstract：
:Tuneable pressure effects associated with changing interlayer distances in two-dimensional graphene oxide (GO)/reduced GO (rGO) layers are demonstrated through monitoring the changes in the spin-crossover (SCO) temperature (T 1/2) of [Fe(Htrz)2(trz)](BF4) nanoparticles (NPs) incorporated in the interlayer spaces of the GO/rGO layers. The interlayer separation along the GO to GO/rGO-NP composites to rGO series decreases smoothly from 9.00 Å (for GO) to 3.50 Å (for rGO) as the temperature employed for the thermal reduction treatments of the GO-NP composites is increased. At the same time, T 1/2 increases from 351 K to 362 K along the series. This T 1/2 increment of 11 K corresponds to that observed for pristine [Fe(Htrz)2(trz)](BF4) NPs under a hydrostatic pressure of 38 MPa. The influence of the stacked layer structures on the pseudo-pressure effects has been further probed by investigating the differences in T 1/2 for [Fe(Htrz)2(trz)](BF4) that is present in the composite as larger bulk particles rather than as NPs.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Sekimoto Y,Ohtani R,Nakamura M,Koinuma M,Lindoy LF,Hayami Sdoi
10.1038/s41598-017-12444-xsubject
Has Abstractpub_date
2017-09-22 00:00:00pages
12159issue
1issn
2045-2322pii
10.1038/s41598-017-12444-xjournal_volume
7pub_type
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