研究目的
To study the influence of l-(+)-КNaC4H4O6 × 4H2O (KNaT) and l-H2C4H4O6 (H2T) on the complexation processes during in situ laser-induced catalytic destruction of organic components in aqueous solutions with the formation of unsaturated hydrocarbons.
研究成果
The study demonstrated the catalytic nature of the LCLD process, with ethylene being the main product of the catalytic destruction of copper tartrate complexes. The spectroscopic investigation provided insights into the complexation mechanisms in metal plating solutions and the hydration behavior of tartrate ions, useful for applications in catalysis and material science.
研究不足
The study focuses on the spectral region above 950 cm?1 due to the presence of strong solvent bands below this range, limiting the investigation of metal cation complexes in aqueous solutions. Additionally, the study does not deeply investigate the mechanism of laser deposition, such as gas bubble formation as side products.
1：Experimental Design and Method Selection:
The study implemented ATR-FTIR, Raman, IR, and NIR spectroscopy alongside quantum chemical calculations to investigate the complexation processes.
2：Sample Selection and Data Sources:
Aqueous solutions containing CuCl2 × 2H2O (
3：01 M), KNaT (033 M), NaOH (1 M) were used. List of Experimental Equipment and Materials:
Instruments included a FTIR spectrometer Nicolet 8700, Raman spectrometer Senterra, NIR spectrometer Lambda 1050, and a portable quadrupole gas mass spectrometer (MS7-100).
4：0). Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: Laser-induced copper deposition was performed using a continuous wave 532 nm diode-pumped solid-state Nd:YAG laser. The morphology of synthesized copper microstructures was observed using SEM, and atomic composition was studied using EDX.
5：Data Analysis Methods:
Data analysis involved quantum chemical calculations using B3LYP density functional and basis set 6-31G(d,p), and principal component analysis for NIR spectra.
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