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将两种若丹菁染料直接键合在抛光的单晶锗表面 ,对键合有若丹菁的锗片进行了激光Raman光谱及XPS谱分析 ,结果表明 ,两种染料通过锗氧键共价键合于锗表面。键合有染料的n 型锗片的In(Pt) /染料 /n Ge器件具有整流作用 ,应用染料分子的半波电位计算所得的染料分子能级 ,较好地解释了染料敏化的机理
The two rhodamine dyes were directly bonded to the polished single crystal germanium surface. Laser Raman spectroscopy and XPS spectrum analysis of the germanium bonded rhodanine showed that the two dyes were covalent Bonded to germanium surface. In (Pt) / dye / n Ge devices with dye-bonded n-type germanium films have a rectifying effect. The resulting dye molecule levels are calculated using the half-wave potential of the dye molecules, which provides a good explanation of the mechanism of dye sensitization