Beilstein J. Nanotechnol.2019,10, 1188–1199, doi:10.3762/bjnano.10.118
/bjnano.10.118 Abstract We report on mixed ordered monolayers of the electron acceptor-type molecule tetracyano-2,6-naphthoquinodimethane (TNAP) and the electron donor-type molecule hexathiapentacene (HTPEN). This investigation was motivated by the general question which type of mixed stoichiometric
a planar orientation on the surface. We discuss the influence of intermolecular charge transfer on the ordering in the mixed structure.
Keywords: charge transfer; low-energy electron diffraction; hexathiapentacene; scanning tunneling microscopy; tetracyano-2,6-naphthoquinodimethane; Introduction
-sexithiophene (6T)/2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F4TCNQ) [14][15], TTF/7,7,8,8-tetracyano-2,6-naphthoquinodimethane (TNAP, (Figure 1b) [16], 5,6,11,12-tetrathiotetracene (TTT, Figure 1c)/TNAP [17], and tetrabenzothianthrene (TBTA)/TNAP [17]. In addition to understand the formation of
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Figure 1:
Chemical structures of (a) HTPEN, (b) TNAP, (c) TTT, and (d) TCNQ.