Hongbo Mo
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View article: Multifunctional Universal Additive for Stable and Efficient Inverted Perovskite Solar Cells
Multifunctional Universal Additive for Stable and Efficient Inverted Perovskite Solar Cells Open
The performance of perovskite solar cells has significantly improved over the years in part due to defect passivation in the bulk and at the interfaces. While many additive molecules have been reported in the literature, they are commonly …
View article: One‐step Centimeter‐Scale Growth of Sub‐100‐nm Perovskite Single‐Crystal Arrays in Ambient Air for Color Painting
One‐step Centimeter‐Scale Growth of Sub‐100‐nm Perovskite Single‐Crystal Arrays in Ambient Air for Color Painting Open
Halide perovskite single crystals have demonstrated enormous potential for next‐generation integrated optoelectronic devices. However, there is a lack of a facile method to realize the controllable growth of large‐scale, high‐quality, and …
View article: Solution‐Processed Multifunctional Thin‐Film Encapsulation of Perovskite Thin Films and Devices
Solution‐Processed Multifunctional Thin‐Film Encapsulation of Perovskite Thin Films and Devices Open
Herein, the effect of multicomponent composite encapsulation on the stability of perovskite thin films and perovskite solar cells, as well as lead leakage upon water immersion, is investigated. The encapsulation is simple and low cost sinc…
Understanding the Impact of SAM Fermi Levels on High Efficiency p-i-n Perovskite Solar Cells Open
Completing the picture of the underlying physics of perovskite solar cell interfaces that incorporate self-assembled molecular layers (SAMs) will accelerate further progress in p-i-n devices. In this work, we modified the Fermi level of a …
Increased resistance to photooxidation in Dion-Jacobson lead halide perovskites -- implication for perovskite device stability Open
2D metal halide perovskites have enabled significant stability improvements in perovskite devices, particularly in resistance to moisture. However, some 2D perovskites are even more susceptible to photooxidation compared to 3D perovskites.…
View article: Substrate Modifications for Stability Improvements of Flexible Perovskite Solar Cells
Substrate Modifications for Stability Improvements of Flexible Perovskite Solar Cells Open
Flexible perovskite solar cells (fPSCs) prepared on flexible plastic substrates exhibit poor stability under illumination in ambient, due to inferior gas barrier properties of plastic substrates. Herein, we investigated effect of different…
View article: Laser processing of Li-doped mesoporous TiO<sub>2</sub> for ambient-processed mesoscopic perovskite solar cells
Laser processing of Li-doped mesoporous TiO<sub>2</sub> for ambient-processed mesoscopic perovskite solar cells Open
A rapid and scalable laser-assisted process to manufacture Li-doped mesoporous TiO 2 films for ambient-processed perovskite solar cells.
Synthesis and Properties of Cefixime Core–Shell Magnetic Nano-Molecularly Imprinted Materials Open
Novel core–shell magnetic molecularly imprinted polymers (MMIPs) were synthesized using the sol–gel method for the adsorption of cefixime (CFX). Fe3O4@SiO2 is the core, and molecularly imprinted polymers (MIPs) are the shell, which can sel…
Synthesis of a Novel Dithiocarbamate Surfactant Derivative Adsorbent for Efficient Removal of Heavy Metal Ions Open
In this work, a novel heavy metal chelating agent (DTC-SDS) containing dithiocarbamate (DTC) was synthesized using sodium dodecyl sulfate (SDS), formaldehyde, and carbon disulfide. DTC-SDS has excellent trapping performance under pH 1-7 an…
Outdoor stability testing of perovskite solar cells: Necessary step toward real-life applications Open
Perovskite solar cells (PSCs) are among the most promising emerging photovoltaic technologies, due to their high efficiency, comparable to that of silicon solar cells. However, concerns about the stability of these devices remain, despite …
In situ laser generation of NiO nanoparticles embedded in graphene flakes for ambient-processed hole-transport-layer-free perovskite solar cells Open
Carbon-based hole-transport-layer-free perovskite solar cells (HTL-free C–PSCs) have gained tremendous attention due to their low cost, ease of fabrication, low-temperature processability, and excellent long-term stability. However, HTL-fr…
Influence Factors and Uncertainty Analysis of Relative Humidity Measured by Psychrometer Open
Based on the measurement principle of psychrometer and experimental data, the influence of wind speed on humidity measurement is analyzed, and the uncertainty of humidity measured by psychrometer is evaluated by GUM method. The research re…
View article: Study on Calibration of Chromlum(VI) Analyzer
Study on Calibration of Chromlum(VI) Analyzer Open
This article presents a novel metrological calibration method for trace chromium(VI) analyzer. The study identifies all factors that affect the accuracy of chromium(VI) analyzers, and proposes calibration items and method for the analyzer …
View article: Laser Processing of KBr‐Modified SnO<sub>2</sub> for Efficient Rigid and Flexible Ambient‐Processed Perovskite Solar Cells
Laser Processing of KBr‐Modified SnO<sub>2</sub> for Efficient Rigid and Flexible Ambient‐Processed Perovskite Solar Cells Open
A combination of KBr modification and laser processing is utilized to prepare SnO 2 films for rigid and flexible perovskite solar cells (PSCs). The KBr modification effectively passivates the defects at the interface between SnO 2 and pero…
View article: Laser-Assisted Ultrafast Fabrication of Crystalline Ta-Doped TiO<sub>2</sub> for High-Humidity-Processed Perovskite Solar Cells
Laser-Assisted Ultrafast Fabrication of Crystalline Ta-Doped TiO<sub>2</sub> for High-Humidity-Processed Perovskite Solar Cells Open
A titanium dioxide (TiO2) compact film is a widely used electron transport layer (ETL) for n-i-p planar perovskite solar cells (PSCs). However, TiO2 sufferers from poor electrical conductivity, leading to high energy loss at the perovskite…
Surface stability of ionic-liquid-passivated mixed-cation perovskite probed with<i>in situ</i>photoelectron spectroscopy Open
A passivation treatment is proposed that improves perovskite photovoltaic device performance and stability to annealing in dry environments. A rationale is presented for the observed loss of stability on heating in wet environments.
A bilayer TiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> as the mesoporous scaffold for enhanced air stability of ambient-processed perovskite solar cells Open
The air stability of PSCs is enhanced by employing a TiO2/Al2O3 bilayer mesoporous scaffold.