Haichun Liu
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Upconversion Emission Enhancement in Yb3+/Er3+-Codoped Y2O3 Nanocrystals by Tridoping with Li+ Ions
G Chen, H Liu, H Liang, G Somesfalean, Z Zhang
The Journal of Physical Chemistry C 112 (31), 12030-12036, 2008
Achieving high-efficiency emission depletion nanoscopy by employing cross relaxation in upconversion nanoparticles
Q Zhan, H Liu, B Wang, Q Wu, R Pu, C Zhou, B Huang, X Peng, H Ågren, ...
Nature communications 8 (1), 1-11, 2017
Upconversion emission tuning from green to red in Yb3+/Ho3+-codoped NaYF4 nanocrystals by tridoping with Ce3+ ions
G Chen, H Liu, G Somesfalean, H Liang, Z Zhang
Nanotechnology 20 (38), 385704, 2009
Enhancement of the upconversion radiation in nanocrystals by codoping with ions
GY Chen, HC Liu, G Somesfalean, YQ Sheng, HJ Liang, ZG Zhang, ...
Applied physics letters 92 (11), 113114, 2008
Upconverting nanoparticles for pre‐clinical diffuse optical imaging, microscopy and sensing: Current trends and future challenges
CT Xu, Q Zhan, H Liu, G Somesfalean, J Qian, S He, S Andersson‐Engels
Laser & Photonics Reviews 7 (5), 663-697, 2013
High-resolution fluorescence diffuse optical tomography developed with nonlinear upconverting nanoparticles
CT Xu, P Svenmarker, H Liu, X Wu, ME Messing, LR Wallenberg, ...
ACS nano 6 (6), 4788-4795, 2012
Autofluorescence insensitive imaging using upconverting nanocrystals in scattering media
CT Xu, N Svensson, J Axelsson, P Svenmarker, G Somesfalean, G Chen, ...
Applied Physics Letters 93 (17), 171103, 2008
Balancing power density based quantum yield characterization of upconverting nanoparticles for arbitrary excitation intensities
H Liu, CT Xu, D Lindgren, H Xie, D Thomas, C Gundlach, ...
Nanoscale 5 (11), 4770-4775, 2013
Quasi‐Continuous Wave Near‐Infrared Excitation of Upconversion Nanoparticles for Optogenetic Manipulation of C. elegans
A Bansal, H Liu, MKG Jayakumar, S Andersson‐Engels, Y Zhang
Small 12 (13), 1732-1743, 2016
Deep tissue optical imaging of upconverting nanoparticles enabled by exploiting higher intrinsic quantum yield through use of millisecond single pulse excitation with high peak …
H Liu, CT Xu, G Dumlupinar, OB Jensen, PE Andersen, ...
Nanoscale 5 (20), 10034-10040, 2013
On the decay time of upconversion luminescence
J Bergstrand, Q Liu, B Huang, X Peng, C Würth, U Resch-Genger, Q Zhan, ...
Nanoscale 11 (11), 4959-4969, 2019
Phase angle encoded upconversion luminescent nanocrystals for multiplexing applications
H Liu, MKG Jayakumar, K Huang, Z Wang, X Zheng, H Ågren, Y Zhang
Nanoscale 9 (4), 1676-1686, 2017
Near vacuum ultraviolet luminescence of Gd3+ and Er3+ ions generated by super saturation upconversion processes
G Chen, H Liang, H Liu, G Somesfalean, Z Zhang
Optics Express 17 (19), 16366-16371, 2009
Huge upconversion luminescence enhancement by a cascade optical field modulation strategy facilitating selective multispectral narrow-band near-infrared photodetection
Y Ji, W Xu, N Ding, H Yang, H Song, Q Liu, H Ågren, J Widengren, H Liu
Light: Science & Applications 9 (1), 1-12, 2020
Mechanism for the Extremely Efficient Sensitization of Yb3+Luminescence in CsPbCl3 Nanocrystals
X Li, S Duan, H Liu, G Chen, Y Luo, H Ågren
The journal of physical chemistry letters 10 (3), 487-492, 2019
A facile route to grain morphology controllable perovskite thin films towards highly efficient perovskite solar cells
F Zhang, J Cong, Y Li, J Bergstrand, H Liu, B Cai, A Hajian, Z Yao, ...
Nano Energy 53, 405-414, 2018
Optical depletion mechanism of upconverting luminescence and its potential for multi-photon STED-like microscopy
R Wu, Q Zhan, H Liu, X Wen, B Wang, S He
Optics Express 23 (25), 32401-32412, 2015
A protected excitation-energy reservoir for efficient upconversion luminescence
K Huang, H Liu, M Kraft, S Shikha, X Zheng, H Ågren, C Würth, ...
Nanoscale 10 (1), 250-259, 2018
Ultraviolet upconversion luminescence enhancement in Yb3+/Er3+-codoped Y2O3 nanocrystals induced by tridoping with Li+ ions
H Liang, G Chen, H Liu, Z Zhang
Journal of luminescence 129 (3), 197-202, 2009
Anomalous power dependence of upconversion emissions in nanocrystals under diode laser excitation of 970 nm
GY Chen, HJ Liang, HC Liu, G Somesfalean, ZG Zhang
Journal of Applied Physics 105 (11), 114315, 2009
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