Observation of current rectification by the new bimetallic iron(iii) hydrophobe [Fe(L N4O6 )] on Au|LB-molecule|Au devices
Targeting the development of stimulus-responsive molecular materials with electronic functionality, we have synthesized and studied the redox and electronic properties of a new bimetallic iron hydrophobe [FeIII2(LN4O6)] (1). The new H6LN4O6 ligand displays bicompartmental topology capable of accomod...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2018-10, Vol.47 (40), p.14352-14361 |
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| container_title | Dalton transactions : an international journal of inorganic chemistry |
| container_volume | 47 |
| creator | Weeraratne, A D K Isuri Baydoun, Habib Shakya, Rajendra Niklas, Jens Xie, Lingxiao Mao, Guangzhao Stoian, Sebastian A Poluektov, Oleg G Verani, Cláudio N |
| description | Targeting the development of stimulus-responsive molecular materials with electronic functionality, we have synthesized and studied the redox and electronic properties of a new bimetallic iron hydrophobe [FeIII2(LN4O6)] (1). The new H6LN4O6 ligand displays bicompartmental topology capable of accomodating two five-coordinate HSFeIII ions bridged by tetraaminobenzene at a close distance of ca. 8 Å. We show that the metal-based reduction processes in (1) proceed sequentially, as observed for electronically coupled metal centers. This species forms a well-defined Pockels-Langmuir film at the air-water interface, with collapse pressure of 32 mN m-1. Langmuir-Blodgett monolayers were deposited on gold substrates and used to investigate current-voltage (I-V) measurements. This unprecedented bimetallic hydrophobe [FeIII2(LN4O6)] (1) shows unquestionable molecular rectification and displays a rectification ratio RR between 2 and 15. |
| doi_str_mv | 10.1039/c8dt03158d |
| format | Article |
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| title | Observation of current rectification by the new bimetallic iron(iii) hydrophobe [Fe(L N4O6 )] on Au|LB-molecule|Au devices |
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