A5067505339- Perovskite Materials and Applications
- Conducting polymers and applications
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Organic Light-Emitting Diodes Research
- 2D Materials and Applications
- Advanced battery technologies research
- Solid-state spectroscopy and crystallography
- Organic Electronics and Photovoltaics
- Seismic Waves and Analysis
- Seismology and Earthquake Studies
- Advanced Fiber Optic Sensors
- Coastal and Marine Dynamics
- Diamond and Carbon-based Materials Research
- Sensor Technology and Measurement Systems
- Innovative Microfluidic and Catalytic Techniques Innovation
- Technostress in Professional Settings
- Geophysics and Sensor Technology
- Quinazolinone synthesis and applications
- Inertial Sensor and Navigation
- Coral and Marine Ecosystems Studies
- Advanced Surface Polishing Techniques
- Asymmetric Hydrogenation and Catalysis
- Advanced Memory and Neural Computing
- Advanced machining processes and optimization
University of Electronic Science and Technology of China
2020-2025
Colorado School of Mines
2023-2024
Hitachi (Japan)
2024
Nanjing University of Science and Technology
2024
Renesas Electronics (Japan)
2024
Shaanxi Normal University
2017-2019
Abstract The optoelectronic properties of perovskite films are closely related to the film quality, so depositing dense, uniform, and stable is crucial for fabricating high‐performance solar cells (PSCs). CsPbI 2 Br perovskite, prized its superb stability toward light soaking thermal aging, has received a great deal attention recently. However, air instability poor performance PSCs hindering further progress. Here, an approach reported high‐quality via Lewis base adducts PbI (DMSO) PbBr as...
Abstract The Cs‐based inorganic perovskite solar cells (PSCs), such as CsPbI 2 Br, have made a striking breakthrough with power conversion efficiency (PCE) over 16% and potential to be used top for tandem devices. Herein, I − is partially replaced the acetate anion (Ac ) in Br framework, producing multiple benefits. Ac doping can change morphology, electronic properties, band structure of host film. obtained 2− x Br(Ac) films present lower trap densities, longer carrier lifetimes, fast...
Abstract The HC(NH 2 ) + (FA is a well‐known substitute to CH 3 NH (MA for its capability extend light utilization improved power conversion efficiency perovskite solar cells; unfortunately, the dark cubic phase (α‐phase) can easily transition yellow orthorhombic (δ‐phase) at room temperature, an issue that prevents commercial application. In this report, inorganic material (NbF 5 developed stabilize desired α‐phase by incorporating NbF additive into films. It found effectively suppresses...
Perovskite solar cells (PSCs) based on sputtered nickel oxide (NiOx) hole transport layer have emerged as promising configuration due to their good stability, cost-effectiveness, and scalability. However, the adverse chemical redox reaction at NiOx/perovskite interface remains an ever-present problem that has not yet been well solved. To address this issue before, problems cation deprotonation iodide oxidation occurred in precursor solution easily result interfacial should be prevented....
Scalable fabrication of perovskite films with homogeneous structure remains a critical challenge in bridging power conversion efficiency gap between solar modules and laboratory-scale cells. To address this, we propose slot-die coating strategy pyrrodiazole additives the precursor solution to simultaneously immobilize lead iodide formamidinium iodide. This approach enhances wet film stability by suppressing colloidal aggregation, retards crystal growth process, ensures consistent rate across...
An ideal photodetector must exhibit a fast and wide tunable spectral response, be highly responsive, have low power consumption, facile fabrication process. In this work, self-powered with graphene electrode perovskite photoactive layer is assembled for the first time. The prepared using solution transfer process, coating which makes device cost. Graphene can form Schottky junction TiO2 to efficiently separate/transport photogenerated excitons at graphene/perovskite interface. Unlike...
Research on the addition of suitable materials into perovskite film for improved quality is important to fabricate efficient and stable solar cells. An attempt enhance performed by incorporation a bifunctional hydroxylamine hydrochloride (HaHc) pristine solution. On one hand, chloride ion in HaHc changes crystallization kinetic defect state high-quality with larger grain size lower density obtained. Perovskite cell (PSC) additive exhibit power conversion efficiency (PCE) 18.69% less...
A simple coalloying strategy is applied to improve the efficiency and stability of FA 0.85 MA 0.15 PbI 3 perovskite solar cells (PSCs) by using cesium acetate (CsAc) as an additive. It found that simultaneous incorporation cation (Cs + ) anion (Ac − into film effective approach realize lattice contraction, grain size enlargement, photoelectric properties improvement, band structure modulation, therefore optimization PSCs. At optimal CsAc alloying, PSCs achieve a maximum power conversion...
In planar perovskite solar cells (PSCs), defect‐induced recombination at the interface between and hole transport layer (HTL) leads to a large potential loss performance deterioration. Therefore, an effective method for improving interfacial properties is critical boost stability of PSCs. Herein, novel surface engineering technology reported passivating with polyfluoro organic compound tris(pentafluorophenyl)boron (TPFPB), which can yield grains, reduced defect densities, improved charge...
Abstract Inorganic cesium lead halide perovskite solar cells (PSCs), such as CsPbI 2 Br, have made a striking breakthrough with power conversion efficiency of over 16%. However, Br is known to be very sensitive moisture, and the intrinsic long‐term stability film remains critical challenge. Interface engineering has been proven an effective way for solving instability‐to‐moisture issue enhancing performance inorganic–organic hybrid PSCs, while there are few reports on interface inorganic...
Inorganic tin–lead perovskites with low bandgap (1.2–1.4 eV) are desired absorber materials for solar cells owing to their ideal and compositional stability. However, such currently subject inferior power conversion efficiency (PCE) the origin remains unclear. Here, first time, we report metal-cation-derived unsynchronized crystallization behavior of inorganic perovskite, exemplifying by a representative composition CsPb0.7Sn0.3I3. A tin-perovskite-targeted modulation agent,...
In the past decade, distributed acoustic sensing (DAS) has enabled many new monitoring applications in diverse fields including hydrocarbon exploration and extraction; induced, local, regional, global seismology; infrastructure urban monitoring; several others. However, to date, open-source software ecosystem for handling DAS data is relatively immature. Here we introduce DASCore, a Python library analyzing, visualizing, managing data. DASCore implements an object-oriented interface...
Tin (Sn)-based perovskite solar cells (PSCs) have attracted much attention because they are more environmentally friendly than lead-based PSCs. However, the fast crystallization of Sn-based films and easy oxidation Sn2+ to Sn4+ hinder improvement their efficiency stability. In this work, ethylammonium bromide (EABr) was added methylammonium tin iodide (MASnI3) precursor solution regulate dynamics improve film morphology. The results show that large EA+ ions slow down process perovskites form...
Although significant advancements have been achieved in lead-tin (Pb-Sn) alloyed perovskite solar cells (PSCs), their power conversion efficiency (PCE) remains inferior to that of Pb-based counterparts, primarily due higher open-circuit voltage (
Despite two-dimensional (2D) Ruddlesden-Popper-phase layered perovskites (RPLPs) exhibiting excellent environmental stability, most solar cells based on 2D RPLP films are fabricated in a controlled inert atmosphere. Meanwhile, the poor charge transport of owing to unfavorable phase arrangement and defects limits efficiency cells. Here, we fabricate high-efficiency ambient air assisted by zwitterion (ZW) additive. We show that ZW additive suppresses formation bottom phases (n ≤ 2) top 3D-like...
Abstract Steering the crystallization of two-dimensional (2D) perovskite film is an important strategy to improve power conversion efficiency (PCE) 2D solar cells (PVSCs). In this paper, deionized water (H 2 O) additive introduced into precursor solution prepare high-quality films. The treated with 3% H O shows a good surface morphology, increased crystal size, enhanced crystallinity, preferred orientation, and low defect density. fabricated PVSC exhibits higher PCE compared that without...
A Co-SAC with oxidase-like active sites (CoN 4 ) has been fabricated for the construction of quinazolines and quinazolinones using ethanol as C 2 -synthon. Kinetic studies suggest that dehydrogenation is RDS reaction.