研究目的
Investigating the orientation of push–pull chromophores deposited onto a gold surface using a joint experimental/theoretical hybrid approach based on Raman spectroscopy.
研究成果
The joint SERS/DFT study is an effective tool for probing the arrangement of push–pull chromophores on surfaces, highlighting the impact of solvents and deposition methods on molecular orientation and surface properties.
研究不足
The study is limited by the specific chromophores and solvents used, and the generalizability of the findings to other systems may require further investigation.
1：Experimental Design and Method Selection:
A joint experimental/theoretical hybrid approach based on Raman spectroscopy was used to study the orientation of push–pull chromophores on a gold surface.
2：Sample Selection and Data Sources:
Two push–pull chromophores, T2-Id and T3-Id, were synthesized and deposited onto gold surfaces using different solvents and deposition methods.
3：List of Experimental Equipment and Materials:
A Labram HR800 spectrophotometer was used for SERS spectra recording. Gold thin films were prepared by thermal evaporation.
4：Experimental Procedures and Operational Workflow:
Chromophores were deposited using drop casting and dip coating techniques. SERS spectra were recorded after solvent evaporation or rinsing.
5：Data Analysis Methods:
DFT calculations were performed to assign vibrational bands and understand solvent effects.
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