Substrate-dependent interfacial structures of ultrathin poly(methyl methacrylate) films upon annealing revealed by sum frequency generation vibrational spectroscopy

Soft Matter 2026

View at publisher
Authors: Yiwen Chen, Bolin Li, Yunpeng Xie, Jinsheng Xu, Ningfang Wang, Hao Zhu, Ping Hu, Xiaofeng Han, Zhigao Sheng, Xiaolin Lu
DOI: 10.1039/d5sm01166c
Cited by: 1
References: 64

Abstract

Ultrathin PMMA films on silica and CaF 2 substrates exhibit different SFG spectral features upon annealing. Annealing modulates relative SFG signal contributions between the surface and buried interface in ultrathin films on weakly interacting CaF 2 .

Fields of Study & Subjects

Spectroscopy and Quantum Chemical Studies Material Dynamics and Properties Organic Electronics and Photovoltaics

Publication details

Journal / source
Soft Matter
Publisher
Royal Society of Chemistry (RSC)
Volume
22
Issue
12
Pages
2422–2429
Publication date
1 January 2026
Language
EN