A protected excitation-energy reservoir for efficient upconversion luminescence

Phase angle encoded upconversion luminescent nanocrystals for multiplexing applications

(2017) Haichun Liu et al.   Nanoscale

Power-dependent upconversion quantum yield of NaYF4:Yb3+,Er3+ nano- and micrometer-sized particles – measurements and simulations

(2017) Martin Kaiser et al.   Nanoscale

Excitation power dependent population pathways and absolute quantum yields of upconversion nanoparticles in different solvents

(2017) C. Würth et al.   Nanoscale

Achieving high-efficiency emission depletion nanoscopy by employing cross relaxation in upconversion nanoparticles

(2017) Qiuqiang Zhan et al.   Nature Communications

Alleviating the emitter concentration effect on upconversion nanoparticles via an inert shell

(2017) Mengyun Wang et al.   Journal of Materials Chemistry C

Plasmonic enhancement and polarization dependence of nonlinear upconversion emissions from single gold nanorod@SiO2@CaF2:Yb3+,Er3+ hybrid core–shell–satellite nanostructures

(2016) Jijun He et al.   Light-Science & Applications

A flexible and superhydrophobic upconversion-luminescence membrane as an ultrasensitive fluorescence sensor for single droplet detection

(2016) Kui-Chao Liu et al.   Light-Science & Applications

Light upconverting core–shell nanostructures: nanophotonic control for emerging applications

(2015) Guanying Chen et al.   CHEMICAL SOCIETY REVIEWS

Shielding Upconversion by Surface Coating: A Study of the Emission Enhancement Factor

(2015) Tianying Sun et al.   CHEMPHYSCHEM

Interplay between Static and Dynamic Energy Transfer in Biofunctional Upconversion Nanoplatforms

(2015) Yadan Ding et al.   Journal of Physical Chemistry Letters

Energy-Cascaded Upconversion in an Organic Dye-Sensitized Core/Shell Fluoride Nanocrystal

(2015) Guanying Chen et al.   NANO LETTERS

Quenching of the upconversion luminescence of NaYF4:Yb3+,Er3+and NaYF4:Yb3+,Tm3+nanophosphors by water: the role of the sensitizer Yb3+in non-radiative relaxation

(2015) Riikka Arppe et al.   Nanoscale

Observation of efficient population of the red-emitting state from the green state by non-multiphonon relaxation in the Er3+–Yb3+ system

(2015) Jiahua Zhang et al.   Light-Science & Applications

Simultaneous Multiple Wavelength Upconversion in a Core–Shell Nanoparticle for Enhanced Near Infrared Light Harvesting in a Dye-Sensitized Solar Cell

(2014) Chunze Yuan et al.   ACS Applied Materials & Interfaces

Size-Tunable and Monodisperse Tm3+/Gd3+-Doped Hexagonal NaYbF4 Nanoparticles with Engineered Efficient Near Infrared-to-Near Infrared Upconversion for In Vivo Imaging

(2014) Jossana A. Damasco et al.   ACS Applied Materials & Interfaces

Near-Infrared-Light-Based Nano-Platform Boosts Endosomal Escape and Controls Gene Knockdown in Vivo

(2014) Muthu Kumara Gnanasammandhan Jayakumar et al.   ACS Nano

Enhancing Luminescence in Lanthanide-Doped Upconversion Nanoparticles

(2014) Sanyang Han et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Lanthanide-Doped Fluoride Core/Multishell Nanoparticles for Broadband Upconversion of Infrared Light

(2014) Wei Shao et al.   Advanced Optical Materials

Balancing power density based quantum yield characterization of upconverting nanoparticles for arbitrary excitation intensities

(2013) Haichun Liu et al.   Nanoscale

Deep tissue optical imaging of upconverting nanoparticles enabled by exploiting higher intrinsic quantum yield through use of millisecond single pulse excitation with high peak power

(2013) Haichun Liu et al.   Nanoscale

Enhancing multiphoton upconversion through energy clustering at sublattice level

(2013) Juan Wang et al.   NATURE MATERIALS

Single-nanocrystal sensitivity achieved by enhanced upconversion luminescence

(2013) Jiangbo Zhao et al.   Nature Nanotechnology

High-Resolution Fluorescence Diffuse Optical Tomography Developed with Nonlinear Upconverting Nanoparticles

(2012) Can T. Xu et al.   ACS Nano

Upconversion luminescence with tunable lifetime in NaYF4:Yb,Er nanocrystals: role of nanocrystal size

(2012) Jiangbo Zhao et al.   Nanoscale

In vivo photodynamic therapy using upconversion nanoparticles as remote-controlled nanotransducers

(2012) Niagara Muhammad Idris et al.   NATURE MEDICINE

Remote activation of biomolecules in deep tissues using near-infrared-to-UV upconversion nanotransducers

(2012) M. K. G. Jayakumar et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Using 915 nm Laser Excited Tm3+/Er3+/Ho3+-Doped NaYbF4 Upconversion Nanoparticles for in Vitro and Deeper in Vivo Bioimaging without Overheating Irradiation

(2011) Qiuqiang Zhan et al.   ACS Nano

Breakthrough in concentration quenching threshold of upconversion luminescence via spatial separation of the emitter doping area for bio-applications

(2011) Xiaomin Liu et al.   CHEMICAL COMMUNICATIONS

Critical Shell Thickness of Core/Shell Upconversion Luminescence Nanoplatform for FRET Application

(2011) Yu Wang et al.   Journal of Physical Chemistry Letters

Synthesis of Ligand-Free Colloidally Stable Water Dispersible Brightly Luminescent Lanthanide-Doped Upconverting Nanoparticles

(2011) Nicoleta Bogdan et al.   NANO LETTERS

Tuning upconversion through energy migration in core–shell nanoparticles

(2011) Feng Wang et al.   NATURE MATERIALS

Direct Evidence of a Surface Quenching Effect on Size-Dependent Luminescence of Upconversion Nanoparticles

(2010) Feng Wang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Drug delivery with upconversion nanoparticles for multi-functional targeted cancer cell imaging and therapy

(2010) Chao Wang et al.   BIOMATERIALS

Reproducible, High-Throughput Synthesis of Colloidal Nanocrystals for Optimization in Multidimensional Parameter Space

(2010) Emory M. Chan et al.   NANO LETTERS

Absolute quantum yield measurements of colloidal NaYF4: Er3+, Yb3+ upconverting nanoparticles

(2010) John-Christopher Boyer et al.   Nanoscale

Simultaneous phase and size control of upconversion nanocrystals through lanthanide doping

(2010) Feng Wang et al.   NATURE

The Active-Core/Active-Shell Approach: A Strategy to Enhance the Upconversion Luminescence in Lanthanide-Doped Nanoparticles

(2009) Fiorenzo Vetrone et al.   ADVANCED FUNCTIONAL MATERIALS

Upconverting phosphors in a dual-parameter LRET-based hybridization assay

(2009) Terhi Rantanen et al.   ANALYST

Fluorescence diffuse optical tomography using upconverting nanoparticles

(2009) Can T. Xu et al.   APPLIED PHYSICS LETTERS

Multicolor Core/Shell-Structured Upconversion Fluorescent Nanoparticles

(2008) Zhengquan Li et al.   ADVANCED MATERIALS

Upconversion Emission Enhancement in Yb3+/Er3+-Codoped Y2O3 Nanocrystals by Tridoping with Li+ Ions

(2008) Guanying Chen et al.   Journal of Physical Chemistry C

Synthesis of Hexagonal-Phase Core−Shell NaYF4Nanocrystals with Tunable Upconversion Fluorescence

(2008) Hai-Sheng Qian et al.   LANGMUIR

An efficient and user-friendly method for the synthesis of hexagonal-phase NaYF4:Yb, Er/Tm nanocrystals with controllable shape and upconversion fluorescence

(2008) Zhengquan Li et al.   NANOTECHNOLOGY