外形
发表于 2025-3-30 10:13:26
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记忆
发表于 2025-3-30 12:57:15
Normal (Unenhanced) Raman Scattering from Pyridine Adsorbed on the Low-Index Faces of Silver of a lively debate. Several review articles and a book summarize the current state of thinking on the subject . The debate focuses upon the relative importance of two classes of enhancement mechanisms, which are termed electromagnetic (classical) and molecular (sometimes referred to as chemica
Charlatan
发表于 2025-3-30 17:38:28
Evidence of “SERS Active Sites” of Atomic Scaleis now better accepted than some years ago that a considerable short-range chemical enhancement mechanism exists beside the classical electromagnetic enhancement |5, 6|. A particular short-range model is the so-called “adatom model”, postulating Raman enhancement for adsorbates at sites of atomic sc
fleeting
发表于 2025-3-30 23:07:57
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Sedative
发表于 2025-3-31 04:30:57
Contributions of Charge Transfer Complexes and Photochemical Effects to SERS at a Silver Electrodeancement as the surface is illuminated by the laser beam during the oxidization-reduction cycle. This enhancement effect is only obtained when alkali halides are used as electrolytes; it suggest a photodecomposition of the silver halides into metallic clusters. The absorbed molecules may play a role
Coordinate
发表于 2025-3-31 05:49:42
SER Scattering by Metal Colloids of division of metals. They lie in size between molecules containing clusters of twenty or more metal atoms , which exhibit optical absorption due to one-electron excitation between quantized levels, and bulk metal samples which show collective conduction-electron phenomena. The optical response
芦笋
发表于 2025-3-31 11:34:11
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SIT
发表于 2025-3-31 15:18:32
Surface Enhanced Optical Processesrsality of the enhancement process. Although the controversy concerning the total sources of the enhancement is still not settled, most agree that solely electromagnetic effects must play a contributing role. Our recent research, therefore, has made an effort to determine the magnitude of the electr
crutch
发表于 2025-3-31 20:18:14
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用树皮
发表于 2025-4-1 00:24:21
Distance Dependence of Surface Enhanced Luminescenceye Basic Fuchsin is separated from the surface of silver particles by a thin layer of SiO.. When the spacer layer thickness is increased from d=0, the luminescence intensity increases and reaches a maximum enhancement of 200 at d ≈ 25 Å, relative to dye on an inert substrate. With further increase i