Thermal gating of the single molecule conductance of alkanedithiols

Faraday Discussions
Wolfgang HaissRichard J Nichols

Abstract

The temperature dependence of the single molecule conductance (SMC) of alpha,omega-alkanedithiols has been investigated using a scanning tunnelling microscopy (STM) method. This is based on trapping molecules between a gold STM tip and a gold substrate and measuring directly the current across the molecule under different applied potentials. A pronounced temperature dependence of the conductance, which scales logarithmically with T(1), is observed in the temperature range between 293 and 353 K. It is proposed the origin of this dependence is the change in distribution between molecular conformers rather than changes in either the conduction mechanism or the electronic structure of molecule. For alkanedithiols the time averaged conformer distribution shifts to less elongated conformers at higher temperatures thus giving rise to higher conductance across the molecular bridges. This is analysed by first calculating energy differences between different conformers and then calculating their partition distribution. A simple tunnelling model is then used to calculate the temperature dependent conductance based on the conformer distribution. These findings demonstrate that charge transport through single organic molecules at ambient te...Continue Reading

References

Jun 28, 1996·Science·A YazdaniN D Lang
Sep 15, 1995·Physical Review. B, Condensed Matter·M DorogiR Reifenberger
Apr 28, 2001·Annual Review of Physical Chemistry·A Nitzan
Oct 20, 2001·Science·X D CuiS M Lindsay
May 15, 2002·Physical Review Letters·J ReichertH V Löhneysen
Dec 6, 2002·Journal of the American Chemical Society·Alessandro Troisi, Mark A Ratner
Dec 11, 2003·Journal of the American Chemical Society·Wolfgang HaissRichard J Nichols
Jan 31, 2004·Faraday Discussions·Wolfgang HaissDavid J Schiffrin
Mar 17, 2004·Bioorganic & Medicinal Chemistry·Hemavathi Challa, Thomas C Bruice
Apr 1, 2004·Journal of the American Chemical Society·Yoram SelzerDavid L Allara
Aug 25, 2004·Langmuir : the ACS Journal of Surfaces and Colloids·Wolfgang HaissRichard J Nichols
Feb 24, 2005·Journal of the American Chemical Society·Bingqian XuNongjian Tao
Apr 27, 2005·Dalton Transactions : an International Journal of Inorganic Chemistry·Elisa BareaJuan M Salas

❮ Previous
Next ❯

Citations

Jul 26, 2008·Nature Nanotechnology·N J Tao
Aug 2, 2011·Nature Nanotechnology·Gita SedghiRichard J Nichols
Apr 14, 2007·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Emily A WeissGeorge M Whitesides
Dec 1, 2006·Annual Review of Physical Chemistry·Fang ChenN J Tao
Dec 7, 2007·The Review of Scientific Instruments·David Gingery, Philippe Bühlmann
Aug 8, 2014·Chemical Society Reviews·Lanlan SunKasper Moth-Poulsen
Feb 21, 2013·The Journal of Physical Chemistry Letters·Viliam KolivoškaMagdaléna Hromadová
Oct 15, 2009·Journal of the American Chemical Society·Changsheng WangColin J Lambert
Nov 20, 2009·Physical Chemistry Chemical Physics : PCCP·Wolfgang HaissRichard J Nichols
May 8, 2010·Physical Chemistry Chemical Physics : PCCP·Richard J NicholsDonald Bethell
Feb 22, 2011·Physical Chemistry Chemical Physics : PCCP·Jingdong ZhangJens Ulstrup
Nov 13, 2015·Chemical Communications : Chem Comm·X-S ZhouE Maisonhaute
Jul 28, 2006·Angewandte Chemie·I-Wen Peter ChenShie-Ming Peng
Aug 8, 2006·Angewandte Chemie·Harm van ZalingeRichard J Nichols
Jan 24, 2013·Angewandte Chemie·I-Wen Peter ChenChun-hsien Chen
Jun 7, 2015·Annual Review of Analytical Chemistry·Richard J Nichols, Simon J Higgins
May 8, 2015·Chemical Reviews·Robert M Metzger
Feb 17, 2015·Nature Materials·Habid Rascón-RamosJoshua Hihath
Mar 4, 2006·Faraday Discussions·Stuart Lindsay
Jan 24, 2007·Physical Chemistry Chemical Physics : PCCP·Marshall D Newton, John F Smalley
Dec 19, 2014·Chemical Society Reviews·Edmund LearyNazario Martín
Apr 27, 2011·Journal of the American Chemical Society·Xiao-Shun ZhouBernd Schöllhorn
May 3, 2012·Journal of the American Chemical Society·Emil WierzbinskiDavid H Waldeck
Jan 1, 2017·Nano Futures·Bintian ZhangStuart Lindsay
May 4, 2006·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Alexei A Kornyshev, Alexander M Kuznetsov
Mar 11, 2011·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Sense Jan van der Molen, Peter Liljeroth
Nov 28, 2006·Nature Materials·Wolfgang HaissRichard J Nichols
Jun 13, 2020·Physical Chemistry Chemical Physics : PCCP·Chunhui HeLi Yang
Sep 17, 2008·Journal of Physics. Condensed Matter : an Institute of Physics Journal·A A Kornyshev, A M Kuznetsov
Jun 2, 2011·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Christian F A NegreCristián G Sánchez
Apr 3, 2012·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Lisa E ScullionRichard J Nichols
Aug 23, 2012·Nanotechnology·C NefM Calame
Sep 17, 2008·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Wolfgang HaissRichard J Nichols
Apr 10, 2020·Nanoscale·Bo LiuMasateru Taniguchi
Feb 3, 2021·ACS Sensors·Haipeng B LiJoshua Hihath
Feb 24, 2021·Journal of the American Chemical Society·Lee BeldingGeorge M Whitesides
Sep 6, 2008·Nano Letters·Everardus H HuismanSense J van der Molen
Mar 4, 2009·Accounts of Chemical Research·F Chen, N J Tao
Apr 27, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Nicolás Montenegro-PohlhammerGloria Cárdenas-Jirón
Jun 18, 2010·ACS Nano·Joshua HihathNongjian Tao
Oct 12, 2010·Journal of Chemical Theory and Computation·Frank H WallrappVictor Guallar

❮ Previous
Next ❯

Related Feeds

Cardiac Conduction System

The cardiac conduction system is a specialized tract of myocardial cells responsible for maintaining normal cardiac rhythm. Discover the latest research on the cardiac conduction system here.