Mingjian Wu
YOU?
Author Swipe
View article: A simultaneous synergistic protection mechanism in hybrid perovskite–organic multi-junctions enables long-term stable and efficient tandem solar cells
A simultaneous synergistic protection mechanism in hybrid perovskite–organic multi-junctions enables long-term stable and efficient tandem solar cells Open
Monolithic perovskite–organic tandem solar cells (P–O TSCs) establish a mutual protection system, which enables high-efficiency P–O TSCs (25.12%) to achieve exceptional operational stability, retaining over 91% after 1000-hour illumination.
View article: High‐Performance Air‐Stable Polymer Monolayer Transistors for Monolithic 3D CMOS logics
High‐Performance Air‐Stable Polymer Monolayer Transistors for Monolithic 3D CMOS logics Open
The monolayer transistor, where the semiconductor layer is a single molecular layer, offers an ideal platform for exploring transport mechanisms both theoretically and experimentally by eliminating the influence of spatially correlated mic…
View article: Numerical investigation on aerodynamic characteristics and flight performance of a span-extendable aircraft
Numerical investigation on aerodynamic characteristics and flight performance of a span-extendable aircraft Open
This work investigates the aerodynamic characteristics and flight performance of a span-extendable aircraft under both retracted and extended wing configurations through numerical simulations. A validated computational fluid dynamics metho…
View article: Fine-Tuning Donor Material Deposition with Ultrasonic Aerosol Jet Printing to Balance Efficiency and Stability in Inverted Organic Photovoltaic Devices
Fine-Tuning Donor Material Deposition with Ultrasonic Aerosol Jet Printing to Balance Efficiency and Stability in Inverted Organic Photovoltaic Devices Open
The response surface methodology (RSM) based on a Box-Behnken (BB) design of experiment (DoE) approach was performed, with the central point repeated four times to enhance statistical reliability, to systematically investigate the influenc…
View article: Synthesis and Self‐Assembly of a Discotic Oligo‐Carboxylate <i>Tetra‐</i>Porphyrin‐Perylenebisimide Amphiphile
Synthesis and Self‐Assembly of a Discotic Oligo‐Carboxylate <i>Tetra‐</i>Porphyrin‐Perylenebisimide Amphiphile Open
We report the synthesis of an amphiphilic tetra ‐porphyrin perylenebisimide (PBI) conjugate via four‐fold Suzuki cross‐coupling at the PBI ortho‐ position. Oligo‐carboxylate Newkome‐type G1 dendrons attached at the porphyrin periphery serv…
View article: Identification of polytypism and their dislocations in bilayer MoS2 using correlative transmission electron microscopy and Raman spectroscopy
Identification of polytypism and their dislocations in bilayer MoS2 using correlative transmission electron microscopy and Raman spectroscopy Open
Stacking orders and topological defects substantially influence the physical properties of 2D van der Waals (vdW) materials. However, the inherent features of 2D materials challenge the effectiveness of single characterization techniques i…
View article: Synthesis and Aggregation of Amphiphilic Porphyrin‐Perylenebisimide Dyads
Synthesis and Aggregation of Amphiphilic Porphyrin‐Perylenebisimide Dyads Open
We report the straightforward synthesis of a family of amphiphilic zinc‐porphyrin‐perylenebisimide (PBI) dyads containing sterically demanding substituents at the porphyrin meso‐ position, as well as at the PBI bay‐position. The hydrophili…
View article: Single Atom Sites in Ga‐Ni Supported Catalytically Active Liquid Metal Solutions (SCALMS) for Selective Ethylene Oligomerization
Single Atom Sites in Ga‐Ni Supported Catalytically Active Liquid Metal Solutions (SCALMS) for Selective Ethylene Oligomerization Open
Supported catalytically active liquid metal solutions (SCALMS) are materials composed of a liquid metal alloy deposited on a porous support. Due to the dynamic properties of the liquid metal alloy, these systems are suggested to form singl…
View article: Role of Polycrystalline F-SnO2 Substrate Topography on Formation Mechanism and Morphology of Pt Nanoparticles by Solid-State-Dewetting
Role of Polycrystalline F-SnO2 Substrate Topography on Formation Mechanism and Morphology of Pt Nanoparticles by Solid-State-Dewetting Open
Solid-state-Dewetting (SSD) of thin films is increasingly utilized to fabricate nanoparticles for catalysis. In-depth understanding of particle formation mechanism is crucial to control key properties of catalytic particles such as size, s…
View article: Role of Polycrystalline F-SnO2 Substrate Topography on Formation Mechanism and Morphology of Pt Nanoparticles by Solid-State-Dewetting
Role of Polycrystalline F-SnO2 Substrate Topography on Formation Mechanism and Morphology of Pt Nanoparticles by Solid-State-Dewetting Open
Solid-state-Dewetting (SSD) of thin films is increasingly utilized to fabricate nanoparticles for catalysis. In-depth understanding of particle formation mechanism is crucial to control key properties of catalytic particles such as size, s…
View article: Improving electron tomography of mesoporous silica by Ga intrusion
Improving electron tomography of mesoporous silica by Ga intrusion Open
Electron tomography (ET) offers nanoscale 3D characterization of mesoporous materials but is often limited by their low scattering contrast. Here, we introduce a gallium (Ga) intrusion strategy for mesoporous silica that dramatically impro…
View article: Identification of Polytypism and Their Dislocations in Bilayer MoS2 Using Correlative Transmission Electron Microscopy and Raman Spectroscopy
Identification of Polytypism and Their Dislocations in Bilayer MoS2 Using Correlative Transmission Electron Microscopy and Raman Spectroscopy Open
Stacking orders and topological defects substantially influence the physical properties of 2D van der Waals (vdW) materials. However, the inherent features of 2D materials challenge the effectiveness of single characterization techniques i…
View article: 3D Electron Diffraction as GIWAXS Alternative for Quantitative Structural Characterization of Organic Solar Cells
3D Electron Diffraction as GIWAXS Alternative for Quantitative Structural Characterization of Organic Solar Cells Open
We demonstrate elastically filtered 3D Electron Diffraction (3D ED) as a powerful alternative technique to Grazing Incidence Wide-Angle X-ray Scattering (GIWAXS) for quantitatively characterizing the structure of organic semiconductor film…
View article: Correlative and in situ microscopy investigation of phase transformation, crystal growth and degradation of antimony sulfide thin films
Correlative and in situ microscopy investigation of phase transformation, crystal growth and degradation of antimony sulfide thin films Open
Antimony sulfide (Sb$_2$S$_3$), a compound of earth-abundant elements with highly anisotropic, quasi-layered crystal structure, triggered growing interest as a solar absorber in photovoltaics and as a phase change material in memory device…
View article: Improving Photocatalytic Hydrogen Generation via Polycitric Acid‐based Carbon Nanodots
Improving Photocatalytic Hydrogen Generation via Polycitric Acid‐based Carbon Nanodots Open
Bottom‐up syntheses of carbon nanodots (CND) using solvothermal treatment of citric acid are known to afford nanometer‐sized, amorphous polycitric acid‐based materials. The addition of suitable co‐reactants in the form of in situ synthesiz…
View article: Improving Photocatalytic Hydrogen Generation via Polycitric Acid‐based Carbon Nanodots
Improving Photocatalytic Hydrogen Generation via Polycitric Acid‐based Carbon Nanodots Open
Bottom‐up syntheses of carbon nanodots (CND) using solvothermal treatment of citric acid are known to afford nanometer‐sized, amorphous polycitric acid‐based materials. The addition of suitable co‐reactants in the form of in situ synthesiz…
View article: Direct-patterning SnO <sub>2</sub> deposition by atomic-layer additive manufacturing
Direct-patterning SnO <sub>2</sub> deposition by atomic-layer additive manufacturing Open
The ALD precursor tetrakis(dimethylamido)tin and water are exploited towards the atomic-layer additive manufacturing (ALAM) of SnO 2 lines.
View article: Degradation phenomena in PEMWE revealed by correlative electrochemical and nanostructure analysis
Degradation phenomena in PEMWE revealed by correlative electrochemical and nanostructure analysis Open
Correlative analysis reveals operational mode-dependent PEMWE degradation, highlighting Pt dissolution and Ir oxidation as key durability challenges.
View article: Self-organised ordering of scandium into basal monolayers of aluminium nitride and its implication for the growth of well-crystallized (Al,Sc)N materials for electronic devices
Self-organised ordering of scandium into basal monolayers of aluminium nitride and its implication for the growth of well-crystallized (Al,Sc)N materials for electronic devices Open
Extensive annealing of (Al,Sc)N sputter films reveals an ordering of scandium into basal monolayers. The structural characterisation, a thermodynamic formation model and its implications on (Al,Sc)N material growth and device stability is …
View article: Thermally-induced agglomeration tailors the stability of Pt SAs on TiO<sub>2</sub> and use in photocatalytic H<sub>2</sub> generation
Thermally-induced agglomeration tailors the stability of Pt SAs on TiO<sub>2</sub> and use in photocatalytic H<sub>2</sub> generation Open
Thermally-induced agglomeration of Pt single atoms (SAs) on anatase TiO 2 thin films is exploited for tuning their stability and activity in photocatalytic H 2 generation.
View article: Role of polycrystalline F–SnO<sub>2</sub> substrate topography in formation mechanism and morphology of Pt nanoparticles by solid-state-dewetting
Role of polycrystalline F–SnO<sub>2</sub> substrate topography in formation mechanism and morphology of Pt nanoparticles by solid-state-dewetting Open
SSD of thin films is increasingly utilized to fabricate nanoparticles for catalysis. RTA is combined with plan-view sample preparation for in situ TEM to provide insights into the initial stages of the SSD mechanism and formation of Pt NPs…
View article: Phase field simulations of thermal annealing for all-small molecule organic solar cells
Phase field simulations of thermal annealing for all-small molecule organic solar cells Open
Simulated DRCN5T:PC 71 BM as-cast film (centered image) and annealed morphologies: diffusion-limited (top left), and normal crystal growth (top right) regimes, with nucleation (bottom left), and amorphous-amorphous phase separation (bottom…
View article: Achieving Strength and Toughness in Dual-Phase Mg-8Li Alloys Through Phase Structure Control and Composite Fracture
Achieving Strength and Toughness in Dual-Phase Mg-8Li Alloys Through Phase Structure Control and Composite Fracture Open
The rising industrial demand for ultra-lightweight materials with exceptional strength and toughness has intensified interest in dual-phase Mg-Li alloys due to their low density and high specific strength. While much of the research on Mg-…
View article: Investigation of a Tube-Launched Unmanned Aerial Vehicle with a Variable-Sweep Wing
Investigation of a Tube-Launched Unmanned Aerial Vehicle with a Variable-Sweep Wing Open
Foldable wings are designed for tube-launched unmanned aerial vehicles (UAVs), aiming to improve portability and meet launch platform requirements. However, conventional tube-launched UAVs cannot operate across the wide speed ranges requir…
View article: Design and verification of controller for a small coaxial dual-rotor aircraft
Design and verification of controller for a small coaxial dual-rotor aircraft Open
In recent years, coaxial dual-rotor aircraft has attracted much attention due to its unique aerodynamic layout. However, it is difficult to miniaturize the coaxial dual-rotor aircraft that relies on the principle of periodic pitch variatio…
View article: Increasing Activity of Trimetallic Oxygen Reduction PtNiMo/C Catalysts Through Initial Conditioning
Increasing Activity of Trimetallic Oxygen Reduction PtNiMo/C Catalysts Through Initial Conditioning Open
This study investigates the importance of preconditioning in Pt‐alloy catalysts for oxygen–reduction reactions. Previous research indicated that slower scanning rates during preconditioning initially boost activity, but this is followed by…