Upconversion nanoparticles induce the reduction of graphene oxide for nanoscale optical writing

Author(s):  
Simone Lamon ◽  
Yiming Wu ◽  
Qiming Zhang ◽  
Xiaogang Liu ◽  
Min Gu
2021 ◽  
Vol 7 (9) ◽  
pp. eabe2209
Author(s):  
S. Lamon ◽  
Y. Wu ◽  
Q. Zhang ◽  
X. Liu ◽  
M. Gu

Nanoscale optical writing using far-field super-resolution methods provides an unprecedented approach for high-capacity data storage. However, current nanoscale optical writing methods typically rely on photoinitiation and photoinhibition with high beam intensity, high energy consumption, and short device life span. We demonstrate a simple and broadly applicable method based on resonance energy transfer from lanthanide-doped upconversion nanoparticles to graphene oxide for nanoscale optical writing. The transfer of high-energy quanta from upconversion nanoparticles induces a localized chemical reduction in graphene oxide flakes for optical writing, with a lateral feature size of ~50 nm (1/20th of the wavelength) under an inhibition intensity of 11.25 MW cm−2. Upconversion resonance energy transfer may enable next-generation optical data storage with high capacity and low energy consumption, while offering a powerful tool for energy-efficient nanofabrication of flexible electronic devices.


2020 ◽  
Vol 575 ◽  
pp. 119-129 ◽  
Author(s):  
Diego Mendez-Gonzalez ◽  
Oscar G. Calderón ◽  
Sonia Melle ◽  
Jesús González-Izquierdo ◽  
Luis Bañares ◽  
...  

2020 ◽  
Vol 8 (37) ◽  
pp. 8607-8613
Author(s):  
Ying Zhang ◽  
Bo Duan ◽  
Qing Bao ◽  
Tao Yang ◽  
Tiancheng Wei ◽  
...  

A highly selective, fluorescence resonance energy transfer (FRET) based aptasensor for enrofloxacin (ENR) detection was developed using core–shell upconversion nanoparticles as an energy donor and graphene oxide as an energy acceptor.


CrystEngComm ◽  
2016 ◽  
Vol 18 (22) ◽  
pp. 4032-4037 ◽  
Author(s):  
Yanxia Xu ◽  
Xianfu Meng ◽  
Jinliang Liu ◽  
Song Dang ◽  
Liyi Shi ◽  
...  

2015 ◽  
Vol 7 (23) ◽  
pp. 12422-12429 ◽  
Author(s):  
P. Alonso-Cristobal ◽  
P. Vilela ◽  
A. El-Sagheer ◽  
E. Lopez-Cabarcos ◽  
T. Brown ◽  
...  

2019 ◽  
Vol 43 (5) ◽  
pp. 2213-2219 ◽  
Author(s):  
Wei He ◽  
Po Li ◽  
Yue Zhu ◽  
Mingming Liu ◽  
Xiaonan Huang ◽  
...  

In this paper, we developed a silk fibroin nanofiber (SF) hydrogel system complexed with upconversion nanoparticles and nano-graphene oxide (SF/UCNP@NGO) for upconversion luminescence imaging and photothermal therapy.


Biomaterials ◽  
2013 ◽  
Vol 34 (31) ◽  
pp. 7715-7724 ◽  
Author(s):  
Yinghui Wang ◽  
Hengguo Wang ◽  
Dapeng Liu ◽  
Shuyan Song ◽  
Xiao Wang ◽  
...  

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