User profiles for Ziqi Xu

Ziqi Xu

PhD Student
Verified email at ucsd.edu
Cited by 318

A thermodynamically favored crystal orientation in mixed formamidinium/methylammonium perovskite for efficient solar cells

Z Xu, Z Liu, N Li, G Tang, G Zheng, C Zhu… - Advanced …, 2019 - Wiley Online Library
Crystal orientation has a great impact on the properties of perovskite films and the resultant
device performance. Up to now, the exquisite control of crystal orientation (the preferred …

Cation and anion immobilization through chemical bonding enhancement with fluorides for stable halide perovskite solar cells

…, Y Chen, X Niu, CK Onwudinanti, C Hu, Z Qiu, Z Xu… - Nature energy, 2019 - nature.com
Defects play an important role in the degradation processes of hybrid halide perovskite
absorbers, impeding their application for solar cells. Among all defects, halide anion and organic …

A Eu3+-Eu2+ ion redox shuttle imparts operational durability to Pb-I perovskite solar cells

…, M Sun, B Dong, G Zheng, Y Huang, Y Chen, L Li, Z Xu… - Science, 2019 - science.org
The components with soft nature in the metal halide perovskite absorber usually generate
lead (Pb) 0 and iodine (I) 0 defects during device fabrication and operation. These defects …

Polygenic scoring accuracy varies across the genetic ancestry continuum

Y Ding, K Hou, Z Xu, A Pimplaskar, E Petter, K Boulier… - Nature, 2023 - nature.com
Polygenic scores (PGSs) have limited portability across different groupings of individuals (for
example, by genetic ancestries and/or social determinants of health), preventing their …

The impact of COVID-19 pandemic on physical and mental health of Asians: A study of seven middle-income countries in Asia

…, N Taneepanichskul, Y Tan, C Tee, L Xu, Z Xu… - PloS one, 2021 - journals.plos.org
The coronavirus disease (COVID-19) pandemic has impacted the economy, livelihood, and
physical and mental well-being of people worldwide. This study aimed to compare the …

A chain mediation model on COVID-19 symptoms and mental health outcomes in Americans, Asians and Europeans

…, PWC Reyes, M Shirazi, Y Tan, CA Tee, L Xu, Z Xu… - Scientific reports, 2021 - nature.com
The novel Coronavirus-2019 (COVID-19) was declared a pandemic by the World Health
Organization (WHO) in March 2020, impacting the lifestyles, economy, physical and mental …

Causal effects on complex traits are similar for common variants across segments of different continental ancestries within admixed individuals

K Hou, Y Ding, Z Xu, Y Wu, A Bhattacharya, R Mester… - Nature …, 2023 - nature.com
Individuals of admixed ancestries (for example, African Americans) inherit a mosaic of
ancestry segments (local ancestry) originating from multiple continental ancestral populations. …

Impacts of alkaline on the defects property and crystallization kinetics in perovskite solar cells

Y Chen, N Li, L Wang, L Li, Z Xu, H Jiao, P Liu… - Nature …, 2019 - nature.com
Further minimizing the defect state density in the semiconducting absorber is vital to boost
the power conversion efficiency of solar cells approaching Shockley-Queisser limit. However, …

Effects of Ni-decorated reduced graphene oxide nanosheets on the microstructural evolution and mechanical properties of Sn-3.0 Ag-0.5 Cu composite solders

H Zhang, Y Xiao, Z Xu, M Yang, L Zhang, L Yin, S Chai… - Intermetallics, 2022 - Elsevier
Introducing foreign reinforcements into solder joints has been demonstrated to be beneficial
to promoting the soldering reliability. In this work, Ni-decorated reduced graphene oxide (Ni-…

CsI Pre‐Intercalation in the Inorganic Framework for Efficient and Stable FA1−x CsxPbI3(Cl) Perovskite Solar Cells

N Zhou, Y Shen, Y Zhang, Z Xu, G Zheng, L Li, Q Chen… - Small, 2017 - Wiley Online Library
Engineering the chemical composition of organic and inorganic hybrid perovskite materials
is one of the most feasible methods to boost the efficiency of perovskite solar cells with …