Abstract
The study of molecular electric properties is an intriguing, rapidly developing field in which technological and basic scientific challenges and developments are evolving. Nevertheless, understanding of the interplay of intermolecular interactions, substrate effects, and electrode contacts remains challenging. Here, we present noncontact chemically resolved electrical measurements (CREM) of halide-terminated molecular layers and a straightforward model for quantitative analysis of submolecular chemical site capacitance. We demonstrate that under low current densities, the main electronic effects can be accounted for by considering the (sub)molecular properties of the monolayers, whereas the excess potential due to charge injection can be described as site capacitance corresponding to chemically identifiable molecular sites.
| Original language | English |
|---|---|
| Pages (from-to) | 13652-13654 |
| Number of pages | 3 |
| Journal | Journal of Physical Chemistry C |
| Volume | 111 |
| Issue number | 37 |
| DOIs | |
| Publication status | Published - Sep 20 2007 |
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ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Electronic, Optical and Magnetic Materials
- Surfaces, Coatings and Films
- Energy(all)
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Chemical site capacitance : Submolecular measurements and a model. / Yerushalmi, Roie; van der Boom, Milko; Cohen, Hagai.
In: Journal of Physical Chemistry C, Vol. 111, No. 37, 20.09.2007, p. 13652-13654.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Chemical site capacitance
T2 - Submolecular measurements and a model
AU - Yerushalmi, Roie
AU - van der Boom, Milko
AU - Cohen, Hagai
PY - 2007/9/20
Y1 - 2007/9/20
N2 - The study of molecular electric properties is an intriguing, rapidly developing field in which technological and basic scientific challenges and developments are evolving. Nevertheless, understanding of the interplay of intermolecular interactions, substrate effects, and electrode contacts remains challenging. Here, we present noncontact chemically resolved electrical measurements (CREM) of halide-terminated molecular layers and a straightforward model for quantitative analysis of submolecular chemical site capacitance. We demonstrate that under low current densities, the main electronic effects can be accounted for by considering the (sub)molecular properties of the monolayers, whereas the excess potential due to charge injection can be described as site capacitance corresponding to chemically identifiable molecular sites.
AB - The study of molecular electric properties is an intriguing, rapidly developing field in which technological and basic scientific challenges and developments are evolving. Nevertheless, understanding of the interplay of intermolecular interactions, substrate effects, and electrode contacts remains challenging. Here, we present noncontact chemically resolved electrical measurements (CREM) of halide-terminated molecular layers and a straightforward model for quantitative analysis of submolecular chemical site capacitance. We demonstrate that under low current densities, the main electronic effects can be accounted for by considering the (sub)molecular properties of the monolayers, whereas the excess potential due to charge injection can be described as site capacitance corresponding to chemically identifiable molecular sites.
UR - http://www.scopus.com/inward/record.url?scp=34948886239&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=34948886239&partnerID=8YFLogxK
U2 - 10.1021/jp075795b
DO - 10.1021/jp075795b
M3 - Article
AN - SCOPUS:34948886239
VL - 111
SP - 13652
EP - 13654
JO - Journal of Physical Chemistry C
JF - Journal of Physical Chemistry C
SN - 1932-7447
IS - 37
ER -