High-precision measurement-based correlation studies among atomic force microscopy, Rayleigh scattering, and surface-enhanced Raman scattering at the single-molecule level

2013 ◽  
Vol 15 (12) ◽  
pp. 4243 ◽  
Author(s):  
Hae Mi Lee ◽  
Jung-Hoon Lee ◽  
Hyung Min Kim ◽  
Seung Min Jin ◽  
Hyo Sun Park ◽  
...  
Keyword(s):  
Single Molecule ◽  
Rayleigh Scattering ◽  
High Precision Measurement ◽  
Single Molecule Level ◽  
Force Microscopy ◽  
Correlation Studies ◽  
Atomic Force ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

Surface-Enhanced Raman Scattering and Atomic Force Microscopy of Brass Electrodes in Sulfuric Acid Solution Containing Benzotriazole and Chloride Ion

1993 ◽  
Vol 47 (1) ◽  
pp. 80-84 ◽  
Author(s):  
Joel C. Rubim ◽  
Jae-Ho Kim ◽  
Eric Henderson ◽  
Therese M. Cotton
Keyword(s):  
Atomic Force Microscopy ◽  
Sulfuric Acid ◽  
Raman Scattering ◽  
Acid Solution ◽  
Chloride Ion ◽  
Force Microscopy ◽  
Atomic Force ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering

Three different methods were used to roughen brass (Cu/Zn = 67/33) electrodes in 0.5 M H2SO4 containing 1.0 mM benzotriazole (BTAH): (1) polarization at +0.05 V vs. saturated calomel for 5 min; (2) immersion in the above solution for six hours; and (3) oxidation-reduction cycling in the presence of chloride ion. The surfaces prepared by the first two methods exhibited surface-enhanced Raman scattering (SERS) spectra of the polymeric complex [Cu(I)BTA] n. The SERS spectrum obtained from electrodes prepared by the third method is very similar to that of [CU(I)C1BTAH]4. Examination of the electrodes by atomic force microscopy (AFM) showed that a large number of grain boundary sites are formed by the roughening processes. This effect is attributed to the loss of zinc, which occurs during corrosion of the mirror-like, polished brass electrode surface in the sulfuric acid solution.

Determining structural and chemical heterogeneities of surface species at the single-bond limit

Science ◽  
2021 ◽  
Vol 371 (6531) ◽  
pp. 818-822
Author(s):  
Jiayu Xu ◽  
Xiang Zhu ◽  
Shijing Tan ◽  
Yao Zhang ◽  
Bin Li ◽  
...  
Keyword(s):  
Single Molecule ◽  
Scanning Tunneling ◽  
Surface Species ◽  
Tunneling Microscopy ◽  
Single Molecule Level ◽  
Force Microscopy ◽  
Chemical Structures ◽  
Atomic Force ◽  
Surface Catalysis ◽  
Enhanced Raman Scattering

The structure determination of surface species has long been a challenge because of their rich chemical heterogeneities. Modern tip-based microscopic techniques can resolve heterogeneities from their distinct electronic, geometric, and vibrational properties at the single-molecule level but with limited interpretation from each. Here, we combined scanning tunneling microscopy (STM), noncontact atomic force microscopy (AFM), and tip-enhanced Raman scattering (TERS) to characterize an assumed inactive system, pentacene on the Ag(110) surface. This enabled us to unambiguously correlate the structural and chemical heterogeneities of three pentacene-derivative species through specific carbon-hydrogen bond breaking. The joint STM-AFM-TERS strategy provides a comprehensive solution for determining chemical structures that are widely present in surface catalysis, on-surface synthesis, and two-dimensional materials.

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