Graphene quantum dots conjugated with polymers for two-photon properties under two-photon excitation

Wen Shuo Kuo, Chih Li Lilian Hsu, Hua Han Chen, Chia Yuan Chang, Hui Fang Kao, Lawrence Chao Shan Chou, Yi Chun Chen, Shean Jen Chen, Wen Tsan Chang, Shih Wen Tseng, Jiu Yao Wang, Ying Chih Pu

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Few studies have investigated the two-photon properties of graphene quantum dots (GQDs) and GQD-conjugated polymers. The results of the present study revealed that conjugated polymers containing nitrogen and sulfur atoms caused higher quantum confinement of emissive energy to be trapped on the surface of nanomaterials, resulting in a high-photoluminescence quantum yield and notable two-photon properties. Additionally, the nanomaterials generated no reactive oxygen species-dependent oxidative stress on cells and served as promising two-photon contrast probes.

Original languageEnglish
Pages (from-to)16874-16880
Number of pages7
JournalNanoscale
Volume8
Issue number38
DOIs
Publication statusPublished - 2016 Oct 14

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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