User profiles for Xiong Li

Li Xiong

- Verified email at emory.edu - Cited by 21389

Xiong Li

- Verified email at ioe.ac.cn - Cited by 12500

A vacuum flash–assisted solution process for high-efficiency large-area perovskite solar cells

X Li, D Bi, C Yi, JD Décoppet, J Luo, SM Zakeeruddin… - Science, 2016 - science.org
Metal halide perovskite solar cells (PSCs) currently attract enormous research interest because
of their high solar-to-electric power conversion efficiency (PCE) and low fabrication costs…

Improved performance and stability of perovskite solar cells by crystal crosslinking with alkylphosphonic acid ω-ammonium chlorides

X Li, M Ibrahim Dar, C Yi, J Luo, M Tschumi… - Nature …, 2015 - nature.com
In the past few years, organic–inorganic halide perovskites have rapidly emerged as promising
materials for photovoltaic applications, but simultaneously achieving high performance …

Advances and open problems in federated learning

…, P Vepakomma, J Wang, L Xiong… - … and trends® in …, 2021 - nowpublishers.com
Federated learning (FL) is a machine learning setting where many clients (eg, mobile devices
or whole organizations) collaboratively train a model under the orchestration of a central …

[HTML][HTML] Hyperparameter optimization for machine learning models based on Bayesian optimization

J Wu, XY Chen, H Zhang, LD Xiong, H Lei… - Journal of Electronic …, 2019 - Elsevier
Hyperparameters are important for machine learning algorithms since they directly control
the behaviors of training algorithms and have a significant effect on the performance of …

Polymer-templated nucleation and crystal growth of perovskite films for solar cells with efficiency greater than 21%

…, J Luo, JD Décoppet, F Zhang, SM Zakeeruddin, X Li… - Nature Energy, 2016 - nature.com
The past several years have witnessed the rapid emergence of a class of solar cells based
on mixed organic–inorganic halide perovskites. Today’s state-of-the-art perovskite solar cells …

From tree house to barracks: The social life of guilds in World of Warcraft

D Williams, N Ducheneaut, L Xiong… - Games and …, 2006 - journals.sagepub.com
A representative sample of players of a popular massively multiplayer online game (World
of Warcraft) was interviewed to map out the social dynamics of guilds. An initial survey and …

Multicolor 3D meta-holography by broadband plasmonic modulation

X Li, L Chen, Y Li, X Zhang, M Pu, Z Zhao, X Ma… - Science …, 2016 - science.org
As nanofabrication technology progresses, the emerging metasurface has offered unique
opportunities for holography, such as an increased data capacity and the realization of …

A hole-conductor–free, fully printable mesoscopic perovskite solar cell with high stability

A Mei, X Li, L Liu, Z Ku, T Liu, Y Rong, M Xu, M Hu… - science, 2014 - science.org
We fabricated a perovskite solar cell that uses a double layer of mesoporous TiO 2 and ZrO
2 as a scaffold infiltrated with perovskite and does not require a hole-conducting layer. The …

Peertrust: Supporting reputation-based trust for peer-to-peer electronic communities

L Xiong, L Liu - IEEE transactions on Knowledge and Data …, 2004 - ieeexplore.ieee.org
Peer-to-peer (P2P) online communities are commonly perceived as an environment offering
both opportunities and threats. One way to minimize threats in such communities is to use …

Radical polymeric p-doping and grain modulation for stable, efficient perovskite solar modules

…, Y Liu, B Han, M Li, L Li, X Zheng, R Guo, L Luo, Z Li… - Science, 2023 - science.org
High-quality perovskite light harvesters and robust organic hole extraction layers are essential
for achieving high-performing perovskite solar cells (PSCs). We introduce a phosphonic …