Editorial
Introduction to advanced electronic chemicals
Ruixia Liu, Rong Sun, Guoqiang Yang introduce the Industrial Chemistry & Materials themed issue on advanced electronic chemicals.
Review Article
Ionic liquids: a pitocin for next-generation electronic information materials?
This review bridges the emerging intersection of ionic liquids (ILs) and electronic information materials (EIMs), addressing a critical gap in materials science and information technology.
Communication
Efficient stacking of iso-butene in sulfonate functional metal–organic frameworks for efficient iso-butene/iso-butane separation
Efficient stacking of the target molecule within confined pore space realizes the preferential adsorption of the target molecule in adsorption separation.
Paper
Hybrid alkyl-ligand tin-oxo clusters for enhanced lithographic patterning performance via intramolecular interactions
Tin-oxo clusters (TOCs) are promising candidates for next-generation extreme ultraviolet (EUV) photoresist materials due to their strong EUV absorption properties and small molecular sizes.
Paper
On-line detection of additive concentrations in acidic copper plating solution for metal interconnection by an electrochemical microfluidic workstation
A developed portable electrochemical microfluidic workstation enables accurate, low-volume online detection of electroplating additives (mean relative error <10%), replacing the manual cyclic voltammetry stripping (CVS) employed in lab analysis.
Paper
Fine-tuned ultramicroporous carbon materials via CO2 activation for molecular sieving of fluorinated propylene and propane
Through moderate CO2 activation, the phenolic resin-derived carbon (PRC-15CO2) was precisely tuned to an optimal pore size, achieving exceptional C3F6 adsorption capacity and complete C3F8 exclusion.
Paper
Synergistic strengthening of ion-exchange resins by post-crosslinking and selective sulfonation for PGMEA purification
The highly stable and efficient ion-exchange resin (2-CS-DVB-SO3H) developed through post-crosslinking and selective sulfonation achieves efficient removal of metal ions from PGMEA via synergistic mechanisms of ion exchange and coordination.
Paper
Lithographic performances of aryl sulfonate ester-modified polystyrenes as nonchemically amplified resists
n-CARs based on aryl sulfonate ester-functionalized polystyrenes gave an impressive 18 nm L/S and 10 nm L/4S EBL patterns, highlighting the effect of substituents on the lithographic performance of the n-CARs.
Paper
Engineering sulfonated polymers for the removal of ultra-trace complexed Cr(III) in tris(2-carboxyethyl) isocyanurate photoresist resin monomers
The concentration of complexed Cr(III) in industrial-grade tris(2-carboxyethyl) isocyanurate can be reduced to meet semiconductor-grade standards through an adsorption–recrystallization process using electron-rich sulfonated polymers.
Paper
Molecular topology-driven benzocyclobutene-based ultralow dielectrics with copper-matched low thermal expansion
The key molecular design strategies for high-frequency electronic packaging combining branched topology and conjugated cores.
Paper
Synthesis and properties of a novel perfluorinated polyimide with high toughness, low dielectric constant and low dissipation factor
A fluorinated diamine was synthesized and used to design a novel polyimide, effectively reducing its dielectric constant and dissipation factor while enhancing the elongation at break.
Paper
Silane production from the dichlorosilane by-product of the Siemens process: a comparative study with the trichlorosilane route
The DCS-based silane production process exhibits higher reaction efficiency and lower energy consumption compared to the conventional TCS route, while enabling seamless integration with the Siemens process for polysilicon production.
About this collection
As the electronics industry moves toward high-end, intelligent and miniaturized development, the requirements for the precise design and synthesis of key materials for electronic chemicals, trace impurity control, functionality and stability have become increasingly stringent, which are also the key technical bottlenecks in the industry and have become focal points of global scientific research and industrial competition.
This themed collection focuses on the design and preparation technology of key materials for electronic chemicals, featuring 12 research papers and review articles authored by R&D teams with rich research experience in related fields. It highlights representative research progress in the design, preparation, separation and purification of typical electronic chemicals such as photoresists, packaging materials, electronic special gases, and ultra-high purity wet electronic chemicals. By compiling a series of high-quality research papers, this issue brings together the latest research achievements in the field, providing a platform for researchers to showcase and exchange ideas.