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Synthesis of Quinacridone Derivatives and Their Application as High Performance Levelers in Electroplating (Supporting Information)

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posted on 2024-04-24, 06:56 authored by Peikun ZOU, Chunyu XIANG, Xuyang LI, Nayun ZHOU, Binbin FAN, Limin WANG
A series of quaternary ammonium salts base on quinacridone aromatic ring were synthesized using 2,9-quinacridone as the parent material, and their leveling performance were evaluated using constant-current chronoamperometry addition curves. Additionally, the adsorption abilities of the leveler molecules on copper surfaces were investigated through quantum chemical calculations and molecular dynamics simulations, and their specific adsorption sites on the copper surface were investigated by XPS, then the effect of concentration on the leveling performance was probed by through-hole plating, and the copper surface was characterized by XRD and SEM. Among four quinacridone aryl quaternary ammonium salts, DCQA-C8-MI exhibits optimal leveling effects, serving as an excellent leveler with outstanding performance. This study expands the application scope of quinacridone aromatic heterocyclic quaternary ammonium salts and offers insights for exploring efficient organic additives for copper electrodeposition.

Funding

Synthesis and Electrochemical Properties of Fluorinated Pyrrolopyrroledione (DPP) Based Electronic Chemicals

National Natural Science Foundation of China

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Methodology and Application of Electrophilic Arylation of Fluoroaryl Iodonium Salt Catalyzed by Rare Earth Fluoride-Containing Lewis Acid

National Natural Science Foundation of China

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Sinopec Seeding Program

Central Universities and Science and Technology Commission of Shanghai Municipality

Fundamental Research Funds for the Central Universities

History

Corresponding author email address

wanglimin@ecust.edu.cn

Copyright

© 2024 The Author(s).

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