Carbogenic nanodots derived from organo-templated zeolites with modulated full-color luminescence

Chemical Science
Ying MuJihong Yu

Abstract

Hydrophilic N-doped carbogenic nanodots (denoted as CNDs) have been prepared from a N-methylpiperazine-templated zeolite precursor by calcination and NaOH treatment. The isolated CNDs exhibit tunable photoluminescence according to the concentration and pH value of aqueous dispersions of the CNDs. Fine-tuning of the fluorescence emission wavelength across the entire visible spectrum can be easily achieved by varying the concentration of the CND dispersions. Meanwhile, both the emission wavelength and intensity of the photoluminescence can be tuned by controlling the pH value of the CND dispersion. The pyrolysis of organic templates confined in nanoporous zeolites represents a new approach to controlling the optical properties of CNDs, which may open more opportunities in applications such as multimodal sensing and full-color displays.

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Citations

Aug 5, 2020·Nanoscale·Yang XuHuanrong Li
Nov 18, 2017·Chemical Science·Rong Sheng LiCheng Zhi Huang
May 8, 2018·Chemical Communications : Chem Comm·Tian HuangYun Yan
Apr 25, 2018·Chemical Communications : Chem Comm·H Nishihara, T Kyotani
Jul 9, 2017·Nanoscale Research Letters·Cheng-Long ShenChong-Xin Shan
Nov 23, 2017·Chemical Science·Wing-Fu LaiWing-Tak Wong
Aug 26, 2017·Chemical Communications : Chem Comm·Xiao-Xin LiYa-Qian Lan
Jul 14, 2017·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Zhiqiang LaiPeiHui Yang
Feb 10, 2021·Chemistry, an Asian Journal·Swayam PrakashAshok Kumar Mishra
Nov 23, 2017·ACS Applied Materials & Interfaces·Tanglue FengBai Yang
Apr 4, 2020·ACS Applied Materials & Interfaces·Qiang FuNa Na
Aug 29, 2019·ACS Omega·Yunxiang LiNiklas Hedin
Oct 27, 2021·Chemical Communications : Chem Comm·Evelyne BartholomeeusenEduardo Coutino-Gonzalez

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Methods Mentioned

BETA
X-ray
NMR
transmission electronic microscopy

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