Holographic recording characteristics and physical mechanism of zinc methacrylate/nitroaniline-co-doped poly(methyl methacrylate)/9,10- phenanthrenequinone photopolymers

Cheng Jung Ko, Po Lin Chen, Yi Nan Hsiao*, Shiuan-Huei Lin, Wha Tzong Whang, Ken-Yuh Hsu, Kuo Jung Huang, Chun Chao Chen, I. Hsiang Tseng, Mei Hui Tsai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In this study we developed an approach to improve the characteristics of photopolymers for holographic data storage. Through codoping different compounds, N,N-dimethyl-4-nitroaniline (DMNA) and zinc methylacrylate (Zn(MA)2), into 9,10-phenanthrenequinone (PQ) doped poly(methyl methacrylate) (PMMA), the diffraction efficiency and the value of dynamic range (M#) have been progressed. We enhanced the diffraction efficiency (from 36.1 to 86.2%) and the dynamic range (M#, from 2.9 to 10.7) of PQ-doped PMMA through codoping with DMNA and Zn(MA)2. Using mass spectrometry and X-ray photoelectron spectroscopy, we investigated the mechanism behind the improvements in optical storage induced by the presence of Zn(MA)2 and DMNA in PMMA/PQ.

Original languageEnglish
Pages (from-to)1297-1305
Number of pages9
JournalPolymer Engineering and Science
Volume53
Issue number6
DOIs
StatePublished - 1 Jun 2013

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