User profiles for Lu Zheng

Zheng-Hong Lu

- Verified email at utoronto.ca - Cited by 39444

Lu Zheng

- Verified email at uci.edu - Cited by 8050

On the industry concentration of actively managed equity mutual funds

M Kacperczyk, C Sialm, L Zheng - The Journal of Finance, 2005 - Wiley Online Library
Mutual fund managers may decide to deviate from a well‐diversified portfolio and concentrate
their holdings in industries where they have informational advantages. In this paper, we …

Prevalence of and risk factors associated with mental health symptoms among the general population in China during the coronavirus disease 2019 pandemic

L Shi, ZA Lu, JY Que, XL Huang, L Liu… - JAMA network …, 2020 - jamanetwork.com
Importance People exposed to coronavirus disease 2019 (COVID-19) and a series of imperative
containment measures could be psychologically stressed, yet the burden of and factors …

Managing grains and interfaces via ligand anchoring enables 22.3%-efficiency inverted perovskite solar cells

X Zheng, Y Hou, C Bao, J Yin, F Yuan, Z Huang… - Nature Energy, 2020 - nature.com
Inverted perovskite solar cells have attracted increasing attention because they have
achieved long operating lifetimes. However, they have exhibited significantly inferior power …

Efficient and stable solution-processed planar perovskite solar cells via contact passivation

…, B Zhang, Y Zhao, F Fan, P Li, LN Quan, Y Zhao, ZH Lu… - Science, 2017 - science.org
Planar perovskite solar cells (PSCs) made entirely via solution processing at low temperatures
(<150C) offer promise for simple manufacturing, compatibility with flexible substrates, and …

Universal energy-level alignment of molecules on metal oxides

…, MG Helander, WM Tang, ZB Wang, J Qiu, ZH Lu - Nature materials, 2012 - nature.com
Transition-metal oxides improve power conversion efficiencies in organic photovoltaics and
are used as low-resistance contacts in organic light-emitting diodes and organic thin-film …

Bipolar-shell resurfacing for blue LEDs based on strongly confined perovskite quantum dots

…, E Spiecker, LS Liao, O Voznyy, ZH Lu… - Nature …, 2020 - nature.com
Colloidal quantum dot (QD) solids are emerging semiconductors that have been actively
explored in fundamental studies of charge transport 1 and for applications in optoelectronics 2 . …

Transition metal oxide work functions: the influence of cation oxidation state and oxygen vacancies

…, MG Helander, WM Tang, ZH Lu - Advanced Functional …, 2012 - Wiley Online Library
Transition metal oxides are capable of a wide range of work functions. This quality allows them
to be used in many applications that involve charge transfer with adsorbed molecules, for …

[PDF][PDF] Highly efficient perovskite-quantum-dot light-emitting diodes by surface engineering

…, R Comin, MN Hedhili, OF Mohammed, ZH Lu… - Adv …, 2016 - light.northwestern.edu
All-inorganic perovskite QDs (APQDs), such as CsPbX3 (X= Cl, Br, and I), exhibit superior
thermal stability compared to their hybrid analogues. They have the potential to be integrated …

Out of sight, out of mind: The effects of expenses on mutual fund flows

BM Barber, T Odean, L Zheng - The Journal of Business, 2005 - JSTOR
We argue that the purchase decisions of mutual fund investors are influenced by salient,
attention‐grabbing information. Investors are more sensitive to salient, in‐your‐face fees, like …

Strain analysis and engineering in halide perovskite photovoltaics

D Liu, D Luo, AN Iqbal, KWP Orr, TAS Doherty, ZH Lu… - Nature materials, 2021 - nature.com
Halide perovskites are a compelling candidate for the next generation of clean-energy-harvesting
technologies owing to their low cost, facile fabrication and outstanding semiconductor …