W. H. Zhang, B. S. Yeo, T. Schmid, and R. Zenobi, Single molecule tip-enhanced Raman spectroscopy with silver tips, J. Phys. Chem. C, pp.1733-1738, 2007.

A. Hartschuh, E. J. Sa?nchez, X. S. Xie, and L. Novotny, Highresolution near-field Raman microscopy of single-walled carbon nanotubes, Phys. Rev. Lett, vol.90, issue.095503, 2003.

L. Novotny and N. Van-hulst, Antennas for light, Nat. Photonics, vol.5, pp.83-90, 2011.

X. Shi, N. Coca-lo?pez, J. Janik, and A. Hartschuh, Advances in tip-enhanced near-field Raman microscopy using nanoantennas, Chem. Rev, vol.117, pp.4945-4960, 2017.

M. D. Sonntag, J. M. Klingsporn, L. K. Garibay, J. M. Roberts, J. A. Dieringer et al., Single-molecule tip-enhanced Raman spectroscopy, J. Phys. Chem. C, vol.116, pp.478-483, 2012.

C. C. Neacsu, J. Dreyer, N. Behr, and M. B. Raschke, Scanning probe Raman spectroscopy with single molecule sensitivity, Phys. Rev. B, vol.73, 2006.

Z. Liu, S. Ding, Z. Chen, X. Wang, J. Tian et al., Revealing the molecular structure of single-molecule junctions in different conductance states by fishing-mode tip-enhanced Raman spectroscopy, Nat. Commun, vol.2, issue.305, 2011.

T. Yano, P. Verma, Y. Saito, T. Ichimura, and S. Kawata, Pressure-assisted tip-enhanced Raman imaging at a resolution of a few nanometres, Nat. Photonics, vol.3, pp.473-477, 2009.

L. Borromeo, C. Toccafondi, M. W. Minde, U. Zimmermann, S. Ando et al., Application of tip-enhanced Raman spectroscopy for the nanoscale characterization of flooded chalk, J. Appl. Phys, vol.124, p.173101, 2018.

G. M. Vanacore, M. Chaigneau, N. Barrett, M. Bollani, F. Boioli et al., Nanoscale chemical reaction imaging at the solid?liquid interface via TERS, J. Phys. Chem. Lett, vol.88, issue.115309, pp.2817-2822, 2013.

W. Su, N. Kumar, A. Krayev, and M. Chaigneau, In situ topographical chemical and electrical imaging of carboxyl graphene oxide at the nanoscale, Nat. Commun, vol.9, 2018.

A. C. Manikas, M. G. Pastore-carbone, C. R. Woods, Y. Wang, I. Souli et al., Stress transfer at the nanoscale on graphene ribbons of regular geometry, Nanoscale, vol.11, pp.14354-14361, 2019.

C. D'andrea, A. Foti, M. Cottat, M. Banchelli, C. Capitini et al., Nanoscale discrimination between toxic and nontoxic protein misfolded oligomers with tip-enhanced Raman spectroscopy, Small, vol.14, 2018.

S. Bonhommeau and S. Lecomte, Tip-enhanced Raman spectroscopy: a tool for nanoscale chemical and structural characterization of biomolecules, Chem. Phys. Chem, vol.19, pp.8-18, 2018.

C. Helbing, T. Deckert-gaudig, I. Firkowska-boden, G. Wei, V. Deckert et al., Protein handshake on the nanoscale: how albumin and hemoglobin self-assemble into nanohybrid fibers, ACS, vol.12, pp.1211-1219, 2018.

A. Foti, F. Barreca, E. Fazio, C. D'andrea, P. Matteini et al., Low cost tips for tip-enhanced Raman spectroscopy fabricated by two-step electrochemical etching of 125 ?m diameter gold wires, Beilstein J. Nanotechnol, vol.9, pp.2718-2729, 2018.

J. Steidtner and B. Pettinger, Tip-enhanced Raman spectroscopy and microscopy on single dye molecules with 15 nm resolution, Phys. Rev. Lett, vol.100, 2008.

K. K. Smithe, A. V. Krayev, C. S. Bailey, H. R. Lee, E. Yalon et al., Nanoscale heterogeneities in monolayer MoSe 2 revealed by correlated scanning probe microscopy and tip-enhanced Raman spectroscopy, ACS Appl. Nano Mater, vol.1, pp.572-579, 2018.

R. Zhang, Y. Zhang, Z. C. Dong, S. Jiang, C. Zhang et al., Chemical mapping of a single molecule by plasmon-enhanced Raman scattering, Nature, vol.498, pp.82-86, 2013.

S. Jiang, Y. Zhang, R. Zhang, C. Hu, M. Liao et al., Distinguishing adjacent molecules on a surface using plasmon-enhanced Raman scattering, Nat. Nanotechnol, vol.10, pp.865-869, 2015.

S. R. Forrest and M. E. Thompson, Introduction: Organic electronics and optoelectronics, Chem. Rev, vol.107, pp.923-925, 2007.

H. Ma, H. Yip, F. Huang, A. K. Jen, and .. , Interface engineering for organic electronics, Adv. Funct. Mater, vol.20, pp.1371-1388, 2010.

H. B. Akkerman and B. De-boer, Electrical conduction through single molecules and self-assembled monolayers, J. Phys. Condens. Matter, vol.20, 2008.

B. De-boer, A. Hadipour, M. M. Mandoc, T. Van-woudenbergh, and P. W. Blom, Tuning of metal work functions with selfassembled monolayers, Adv. Mater, vol.17, pp.621-625, 2005.

E. Gross, J. H. Liu, S. Alayoglu, M. A. Marcus, S. C. Fakra et al., Asymmetric Catalysis at the Mesoscale: Gold nanoclusters embedded in chiral self-assembled monolayer as heterogeneous catalyst for asymmetric reactions, J. Am. Chem. Soc, vol.135, pp.3881-3886, 2013.

R. L. Mccreery, Molecular electronic junctions, Chem. Mater, vol.16, pp.4477-4496, 2004.

A. Nitzan and M. A. Ratner, Electron transport in molecular wire junctions, Science, vol.300, pp.1384-1389, 2003.

K. Braun, X. Wang, A. M. Kern, H. Adler, H. Peisert et al., Superluminescence from an optically pumped molecular tunneling junction by injection of plasmon induced hot electrons, Beilstein J. Nanotechnol, vol.6, pp.1100-1106, 2015.

Y. Li, P. Doak, L. Kronik, J. B. Neaton, and D. Natelson, Voltage Tuning of vibrational mode energies in single-molecule junctions, Proc. Natl. Acad. Sci, vol.111, pp.1282-1287, 2014.

P. P. Pal, N. Jiang, M. D. Sonntag, N. Chiang, E. T. Foley et al., Plasmon-mediated electron transport in tip-enhanced Raman spectroscopic junctions, J. Phys. Chem. Lett, vol.6, pp.4210-4218, 2015.

X. Wang, K. Braun, D. Zhang, H. Peisert, H. Adler et al., Enhancement of radiative plasmon decay by hot electron tunneling, ACS Nano, vol.9, pp.8176-8183, 2015.

A. Ulman, Formation and structure of self-assembled monolayers, Chem. Rev, vol.96, pp.1533-1554, 1996.

J. C. Love, L. A. Estroff, J. K. Kriebel, R. G. Nuzzo, and G. M. Whitesides, Self-assembled monolayers of thiolates on metals as a form of nanotechnology, Chem. Rev, vol.105, pp.1103-1169, 2005.

S. Casalini, C. A. Bortolotti, F. Leonardi, and F. Biscarini, Selfassembled monolayers in organic electronics, Chem. Soc. Rev, vol.46, p.40, 2017.

V. B. Engelkes, J. M. Beebe, and C. D. Frisbie, length-dependent transport in molecular junctions based on sams of alkanethiols and alkanedithiols: effect of metal work function and applied bias on tunneling efficiency and contact resistance, J. Am. Chem. Soc, vol.126, pp.14287-14296, 2004.

E. Benassi and S. Corni, Work function changes of azo?derivatives adsorbed on a gold surface, J. Phys. Chem. C, vol.118, 2014.

H. Wolf, H. Ringsdorf, E. Delamarche, T. Takami, H. Kang et al., Endgroup-dominated molecular order in self-assembled monolayers, J. Phys. Chem. A, pp.7102-7107, 1995.

L. Gagliardi, G. Orlandi, F. Bernardi, A. Cembran, and M. Garavelli, A theoretical study of the lowest electronic states of azobenzene: The role of torsion coordinate in the cis-trans photoisomerization, Theor. Chem. Acc, vol.111, pp.363-372, 2004.

V. Ferri, M. Elbing, G. Pace, M. D. Dickey, M. Zharnikov et al., Light-powered electrical switch based on cargo-lifting azobenzene monolayers, Angew. Chem. ? Int. Ed, vol.47, pp.3407-3409, 2008.

Z. Liu, K. Hashimoto, and A. Fujishima, Photoelectrochemical information storage using an azobenzene derivative, Nature, vol.347, pp.658-660, 1990.

J. M. Mativetsky, G. Pace, M. Elbing, M. A. Rampi, M. Mayor et al., Azobenzenes as light-controlled molecular electronic switches in nanoscale metal?molecule?metal junctions, J. Am. Chem. Soc, vol.130, pp.9192-9193, 2008.

T. Ikeda and O. Tsutsumi, Optical switching and image storage by means of azobenzene liquid-crystal films, Science, vol.268, pp.1873-1875, 1995.

G. Pace, V. Ferri, C. Grave, M. Elbing, C. Von-hanisch et al., Cooperative light-induced molecular movements of highly ordered azobenzene self-assembled monolayers, Proc. Natl. Acad. Sci, vol.104, pp.9937-9942, 2007.

M. Chaigneau, G. Picardi, and R. Ossikovski, Molecular arrangement in self-assembled azobenzene-containing thiol monolayers at the individual domain level studied through polarized nearfield Raman spectroscopy, Int. J. Mol. Sci, vol.12, 1245.
URL : https://hal.archives-ouvertes.fr/hal-00837995

K. Tamada, J. Nagasawa, F. Nakanishi, K. Abe, T. Ishida et al., Structure and growth of hexyl azobenzene thiol SAMs on Au, vol.14, issue.111, pp.3264-3271, 1998.

S. W. Han, C. H. Kim, S. H. Hong, Y. K. Chung, and K. Kim, Azobenzene-incorporated alkanethiol monolayer film on Au(111): Reflection-absorption infrared spectroscopy and atomic force microscopy study, Langmuir, vol.15, pp.1579-1583, 1999.

W. B. Caldwell, D. J. Campbell, K. Chen, B. R. Herr, C. A. Mirkin et al., A Highly ordered self-assembled monolayer film of an azobenzene-alkanethiol on Au(111): Electrochemical properties and structural characterization by synchrotron in-plane X-ray diffraction, atomic force microscopy, and surface enhanced Raman spectroscopy, J. Am. Chem. Soc, vol.117, pp.6071-6082, 1995.

C. Toccafondi, G. Picardi, and R. Ossikovski, Molecular bending at the nanoscale evidenced by tip-enhanced Raman spectroscopy in tunneling mode on thiol self-assembled monolayers, J. Phys. Chem. C, pp.120-18209, 2016.

L. G. Cancado, A. Jorio, A. Ismach, E. Joselevich, A. Hartschuh et al., Mechanism of near-field Raman enhancement in onedimensional systems, Phys. Rev. Lett, vol.103, issue.186101, 2009.

J. G. Simmons, Generalized formula for the electric tunnel effect between similar electrodes separated by a thin insulating film, J. Appl. Phys, vol.34, pp.1793-1803, 1963.

D. J. Wold, R. Haag, M. A. Rampi, and C. D. Frisbie, Distance dependence of electron tunneling through self-assembled monolayers measured by conducting probe atomic force microscopy: unsaturated versus saturated molecular junctions, J. Phys. Chem. B, vol.106, pp.2813-2816, 2002.

D. J. Wold and C. D. Frisbie, Fabrication and characterization of metal-molecule-metal junctions by conducting probe atomic force microscopy, J. Am. Chem. Soc, vol.123, pp.5549-5556, 2001.

Y. Fujita, N. N. Horimoto, S. Kajimoto, and H. Fukumura, Bias voltage-dependent STM ? tip-enhanced Raman spectroscopy of benzenethiol-modified gold nanoplates, Chem. Phys. Lett, vol.582, pp.110-114, 2013.

N. M. Sabane?, A. Elizabeth, J. H. Pfisterer, and K. F. Domke, The effect of STM parameters on tip-enhanced Raman spectra, pp.233-243, 0205.

B. Ren, G. Picardi, and B. Pettinger, Preparation of gold tips suitable for tip-enhanced raman spectroscopy and light emission by electrochemical etching, Rev. Sci. Instrum, vol.75, pp.837-841, 2004.

S. C. Mannsfeld, T. W. Canzler, T. Fritz, H. Proehl, and K. Leo, The structure of [4-(Phenylazo)phenoxy]hexane-1-thiol selfassembled monolayers on Au(111), J. Phys. Chem. B, vol.106, 2002.

S. B. Sachs, S. P. Dudek, R. P. Hsung, L. R. Sita, J. F. Smalley et al., Rates of interfacial electron transfer through ?-conjugated spacers, J. Am. Chem. Soc, vol.119, pp.10563-10564, 1997.

S. Creager, C. J. Yu, C. Bamdad, S. O. Connor, T. Maclean et al., Electron transfer at electrodes through conjugated "molecular wire" bridges, J. Am. Chem. Soc, vol.121, pp.1059-1064, 1999.

J. Freund, J. Halbritter, and J. K. Horber, How dry are dried samples? water adsorption measured by STM, Microsc. Res. Tech, vol.44, pp.327-338, 1999.

G. Wang, T. Kim, and T. Lee, Electrical transport characteristics through molecular layers, J. Mater. Chem, 2011.

X. Xiao, J. Hu, D. H. Charych, and M. B. Salmeron, Chain length dependence of the frictional properties of alkylsilane molecules selfassembled on mica studied by atomic force microscopy, Langmuir, vol.12, pp.235-237, 1996.

G. Liu and M. B. Salmeron, Reversible displacement of chemisorbed n-alkanethiol molecules on Au(111) surface: an atomic force microscopy study, Langmuir, vol.10, pp.367-370, 1994.

W. Zhu, R. Esteban, A. G. Borisov, J. J. Baumberg, P. Nordlander et al., Quantum mechanical effects in plasmonic structures with subnanometre gaps, Nat. Commun, vol.7, p.11495, 2016.
URL : https://hal.archives-ouvertes.fr/hal-02313903

F. J. Garcia-de-abajo, Nonlocal effects in the plasmons of strongly interacting nanoparticles, dimers, and waveguides, J. Phys. Chem. C, vol.112, pp.17983-17987, 2008.

J. Zuloaga, E. Prodan, and P. Nordlander, Quantum plasmonics: optical properties and tunability of metallic nanorods, ACS Nano, vol.4, pp.5269-5276, 2010.

H. Watanabe, Y. Ishida, N. Hayazawa, Y. Inouye, S. Kawata et al., Temperature and chain length effects on bending elasticity of phosphatidylcholine bilayers, Europhys. Lett, vol.69, issue.155418, pp.181-186, 1994.