Search Results - "Xu, Youkui"
-
1
Origin, Influence, and Countermeasures of Defects in Perovskite Solar Cells
Published in Small (Weinheim an der Bergstrasse, Germany) (01-07-2021)“…Defects are considered to be one of the most significant factors that compromise the power conversion efficiencies and long‐term stability of perovskite solar…”
Get full text
Journal Article -
2
Unveiling the Effects of Hydrolysis‐Derived DMAI/DMAPbIx Intermediate Compound on the Performance of CsPbI3 Solar Cells
Published in Advanced science (01-05-2020)“…Introducing hydroiodic acid (HI) as a hydrolysis‐derived precursor of the intermediate compounds has become an increasingly important issue for fabricating…”
Get full text
Journal Article -
3
The J–V Hysteresis Behavior and Solutions in Perovskite Solar Cells
Published in Solar RRL (01-12-2020)“…The power conversion efficiency (PCE) of perovskite solar cells (PSCs) has exceeded 25%, showing great potential in the photovoltaic field. However, PSCs often…”
Get full text
Journal Article -
4
Tailored molecular for ultra-stability and biocompatible pseudohalide metal-free perovskite towards X-ray detectors with record sensitivity
Published in Npj flexible electronics (28-07-2024)“…The emerging pseudohalide metal-free perovskite (pseudohalide–MFPs) X-ray detector caters to the demands of timely mobile diagnosis owing to its lightweight,…”
Get full text
Journal Article -
5
Sequential Vacuum Evaporated Copper Metal Halides for Scalable, Flexible, and Dynamic X‐Ray Detection
Published in Advanced functional materials (01-09-2023)“…Copper metal halides have emerged as a strong contender in the scintillator field due to the self‐trapped excitons (STEs) mechanism. However, their development…”
Get full text
Journal Article -
6
Crystallization Kinetics in 2D Perovskite Solar Cells
Published in Advanced energy materials (01-11-2020)“…2D perovskites demonstrate higher moisture stability, oxygen content, thermal stability, and a significantly lower ion migration/phase transition occurrence in…”
Get full text
Journal Article -
7
Asymmetric Metal Halide Film With Suppressed Leakage Current for High Sensitive X-Ray Detection and Imaging
Published in IEEE electron device letters (01-10-2022)“…Metal halides have been demonstrated to be promising candidates for X-ray detectors. However, its large leakage current caused by the severe ion migration and…”
Get full text
Journal Article -
8
Hydrogen Bonds Strengthened Metal‐Free Perovskite for Degradable X‐ray Detector with Enhanced Stability, Flexibility and Sensitivity
Published in Angewandte Chemie International Edition (01-03-2023)“…Metal‐free perovskites (MFPs) with flexible and degradable properties have been adopted in flexible X‐ray detection. For now, figuring out the key factors…”
Get full text
Journal Article -
9
Organic Cation Modulation in Manganese Halides to Optimize Crystallization Process and X‐Ray Response Toward Large‐Area Scintillator Screen
Published in Small (Weinheim an der Bergstrasse, Germany) (01-11-2024)“…Manganese halides are one of the most potential candidates for large‐area flat‐panel detection owing to their biological safety and all‐solution preparation…”
Get full text
Journal Article -
10
Metal Halide Nanocrystals@Silica Aerogel Composite with Enhanced Dispersion Stability and Light Output for Efficient X‐Ray Imaging in Harsh Environment
Published in Small (Weinheim an der Bergstrasse, Germany) (01-05-2024)“…Metal halide nanocrystals (MHNCs) embedded in a polymer matrix as flexible X‐ray detector screens is an effective strategy with the advantages of low cost,…”
Get full text
Journal Article -
11
Low-Trap-Density CsPbX3 Film for High-Efficiency Indoor Photovoltaics
Published in ACS applied materials & interfaces (09-03-2022)“…The continuous advancement of the Internet of Things (IoT) and photovoltaic technology has promoted the development of indoor photovoltaics (IPVs) that powers…”
Get full text
Journal Article -
12
A Novel Multiple‐Ring Aromatic Spacer Based 2D Ruddlesden–Popper CsPbI3 Solar Cell with Record Efficiency Beyond 16
Published in Advanced functional materials (01-08-2022)“…Two‐dimensional (2D) Ruddlesden–Popper (RP) CsPbI3 perovskite possesses superior phase stability by introducing steric hindrance. However, due to the quantum…”
Get full text
Journal Article -
13
Organic Cation Design of Manganese Halide Hybrids Glass toward Low‐Temperature Integrated Efficient, Scaling, and Reproducible X‐Ray Detector
Published in Advanced optical materials (01-07-2023)“…Zero‐dimensional (0D) structure‐based manganese metal halides (MHs) are believed to be the most promising candidates for the next‐generation X‐ray…”
Get full text
Journal Article -
14
N‐methyl‐2‐pyrrolidone Iodide as Functional Precursor Additive for Record Efficiency 2D Ruddlesden‐Popper (PEA)2(Cs)n−1PbnI3n+1 Solar Cells
Published in Advanced functional materials (01-12-2021)“…2D perovskite (PEA)2(Cs)n−1PbnI3n+1 (PEA: phenylethylammonium) exhibits more strengthened phase stability than its 3D components under ambient conditions and…”
Get full text
Journal Article -
15
Manipulate energy transport via fluorinated spacers towards record-efficiency 2D Dion-Jacobson CsPbI3 solar cells
Published in Science bulletin (Beijing) (15-07-2022)“…Here, we tune the coupling between organic cations and inorganic planes by rationally functionalizing spacers, thereby improving the energy transfer barrier…”
Get full text
Journal Article -
16
Non-Centrosymmetric Chiral Structures for Hybrid Bismuth Halides With Stable Self-Driven X-Ray Detection
Published in IEEE electron device letters (01-08-2024)“…Self-driving X-ray detectors have the advantages of low energy consumption, portability, and light weight. However, a complex heterostructure system must be…”
Get full text
Journal Article -
17
Self‐Organizing Pixelated Cs4PbBr6 Scintillator Plate for Large‐Area, Ultra‐Flexible, High Spatial Resolution and Stable X‐Ray Imaging
Published in Advanced optical materials (04-01-2023)“…Nowadays, high performance (stability, spatial resolution, and optical yield) and multi‐functional application (low‐cost, large‐area, and flexible) are…”
Get full text
Journal Article -
18
Dual-mode temperature sensitive fluorescence phenomenon based on reconstruction of multi-level system in BaCaLu2F10 micro-nanocrystals
Published in Journal of alloys and compounds (15-04-2020)“…In this work, we mainly focus on the design of dual-mode temperature (T) sensitive fluorescence phenomenon in single fluoride materials. The compound…”
Get full text
Journal Article -
19
RETRACTED: Organic Cocrystal Design to Promote Absorption and Triplet Excitons Formation for Sensitive Scintillator
Published in Advanced optical materials (01-03-2024)“…Organic materials show good mechanical flexibility, easy processing, and large‐area manufacturing, while weak X‐ray absorption and low sensitivity for X‐ray…”
Get full text
Journal Article -
20
Tailoring Multi‐Phenyl Ring Cation for Stable Scalable Hybrid Bismuth Iodide Amorphous Film: Enabling Record Sensitivity and High‐Performance X‐Ray Array Imaging
Published in Advanced materials (Weinheim) (01-08-2024)“…The 329‐type bismuth (Bi)‐based metal halide (MH) polycrystalline films have potential to be applied in the new generation of X‐ray imaging technology owing to…”
Get full text
Journal Article