Guang Yang
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View article: Defect Dynamics and Solution‐Processed Interconnects in Perovskite‐Organic Tandem Solar Cells
Defect Dynamics and Solution‐Processed Interconnects in Perovskite‐Organic Tandem Solar Cells Open
Perovskite and organic semiconductors exhibit analogous properties, including bandgap tunability, low‐temperature solution processing, and high potential for lightweight applications. These similarities render them highly attractive for be…
View article: Improved Heterointerface Contact for Wide‐Bandgap and Tandem Perovskite Solar Cells
Improved Heterointerface Contact for Wide‐Bandgap and Tandem Perovskite Solar Cells Open
Perovskite‐based tandem solar cells represent a key technology for next‐generation photovoltaics. As an essential component, the carrier transport layer (CTL) encounters challenges such as poor interfacial contact and inefficient carrier t…
View article: First Measurement of Neutrino Emissions from Spent Nuclear Fuel by the Double Chooz Experiment
First Measurement of Neutrino Emissions from Spent Nuclear Fuel by the Double Chooz Experiment Open
Neutrino emission from nuclear reactors provides real-time insights into reactor power and fuel evolution, with potential applications in monitoring and nuclear safeguards. Following reactor shutdown, a low-intensity flux of ``residual neu…
View article: Recycling Silicon Bottom Cells from End-of-Life Perovskite–Silicon Tandem Solar Cells
Recycling Silicon Bottom Cells from End-of-Life Perovskite–Silicon Tandem Solar Cells Open
Perovskite–silicon tandem cells have shown much higher efficiencies than single-junction cells, which promises further reduction of energy cost from photovoltaics. Due to the protection by perovskites, silicon subcells in perovskite–silico…
View article: Strong-bonding hole-transport layers reduce ultraviolet degradation of perovskite solar cells
Strong-bonding hole-transport layers reduce ultraviolet degradation of perovskite solar cells Open
The light-emitting diodes (LEDs) used in indoor testing of perovskite solar cells do not expose them to the levels of ultraviolet (UV) radiation that they would receive in actual outdoor use. We report degradation mechanisms of p-i-n-struc…
View article: Surgery-R1: Advancing Surgical-VQLA with Reasoning Multimodal Large Language Model via Reinforcement Learning
Surgery-R1: Advancing Surgical-VQLA with Reasoning Multimodal Large Language Model via Reinforcement Learning Open
In recent years, significant progress has been made in the field of surgical scene understanding, particularly in the task of Visual Question Localized-Answering in robotic surgery (Surgical-VQLA). However, existing Surgical-VQLA models la…
View article: Perovskite-Organic Tandem Solar Cells Via Mobile Defects Mitigation and Solution-Processed Interconnecting Layers
Perovskite-Organic Tandem Solar Cells Via Mobile Defects Mitigation and Solution-Processed Interconnecting Layers Open
Perovskite and organic semiconductors exhibit analogous properties, including bandgap tunability, low-temperature solution processing, and high potential for lightweight applications. These similarities render them highly attractive for be…
View article: Topological altermagnetic Josephson junctions
Topological altermagnetic Josephson junctions Open
Planar Josephson junctions are pivotal for engineering topological superconductivity, yet are severely hindered by orbital effects induced by in-plane magnetic fields. In this work, we introduce the generic topological altermagnetic Joseph…
View article: Tailoring Crystal Growth Regulation and Dual Passivation for Air‐Processed Efficient Perovskite Solar Cells
Tailoring Crystal Growth Regulation and Dual Passivation for Air‐Processed Efficient Perovskite Solar Cells Open
Hybrid metal halide perovskite solar cells (PSCs) are emerging as highly competitive next‐generation photovoltaics due to their excellent performance and low production cost. However, the construction of high‐efficiency PSCs typically requ…
View article: Suppressing non-radiative recombination for efficient and stable perovskite solar cells
Suppressing non-radiative recombination for efficient and stable perovskite solar cells Open
This review analyzes non-radiative recombination mechanisms, device stability, and hysteresis, providing strategies to reduce trap states and improve the efficiency and stability of perovskite solar cells, offering a forward-looking perspe…
View article: Manipulating the crystallization kinetics of halide perovskites for large-area solar modules
Manipulating the crystallization kinetics of halide perovskites for large-area solar modules Open
In the last decade, laboratory-scale single-junction perovskite solar cells have achieved a remarkable power conversion efficiency exceeding 26.1%. However, the transition to industrial-scale production has unveiled a significant efficienc…
View article: Strong-bonding hole-transport layers reduce ultraviolet degradation of perovskite solar cells
Strong-bonding hole-transport layers reduce ultraviolet degradation of perovskite solar cells Open
The light-emitting diodes (LEDs) used in indoor testing of perovskite solar cells do not expose them to the levels of ultraviolet (UV) radiation that they would receive in actual outdoor use. We report degradation mechanisms of p-i-n–struc…
View article: Shunt mitigation toward efficient large-area perovskite-silicon tandem solar cells
Shunt mitigation toward efficient large-area perovskite-silicon tandem solar cells Open
The efficiency of small-area perovskite-silicon tandem solar cells is already above 30%; however, there are few studies about large-area tandem cells. One main challenge for the upscaling of perovskite-silicon tandems is the non-uniformity…
View article: CSD 2211086: Experimental Crystal Structure Determination
CSD 2211086: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Iodide Manipulation Using Zinc Additives for Efficient Perovskite Solar Minimodules
Iodide Manipulation Using Zinc Additives for Efficient Perovskite Solar Minimodules Open
Interstitial iodides are the most important type of defects in perovskite solar cells that limits efficiency and stability. They can be generated during solution, film, and device processing and further accelerate device degradation. Herei…
View article: Recycling Silicon Bottom Cells from End-of-Life Perovskite–Silicon Tandem Solar Cells
Recycling Silicon Bottom Cells from End-of-Life Perovskite–Silicon Tandem Solar Cells Open
Perovskite-silicon tandem cells have shown much higher efficiencies than the single junction cells, which promises further reduction of energy cost from photovoltaics. Due to the protection by perovskites, silicon subcells in perovskite-si…
View article: CCDC 1877223: Experimental Crystal Structure Determination
CCDC 1877223: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Solution‐Processed Ternary Tin (II) Alloy as Hole‐Transport Layer of Sn–Pb Perovskite Solar Cells for Enhanced Efficiency and Stability
Solution‐Processed Ternary Tin (II) Alloy as Hole‐Transport Layer of Sn–Pb Perovskite Solar Cells for Enhanced Efficiency and Stability Open
Tin–lead (Sn–Pb) narrow‐bandgap (NBG) perovskites show great potential in both single‐junction and all‐perovskite tandem solar cells. Sn–Pb perovskite solar cells (PSCs) are still limited by low charge collection efficiency and poor stabil…
View article: Carbazole-Based Hole Transport Polymer for Methylammonium-Free Tin–Lead Perovskite Solar Cells with Enhanced Efficiency and Stability
Carbazole-Based Hole Transport Polymer for Methylammonium-Free Tin–Lead Perovskite Solar Cells with Enhanced Efficiency and Stability Open
As the most commonly used hole transport material (HTM) in tin–lead (Sn–Pb) perovskite solar cells (PSCs), poly(3,4-ethylenedioxythiophene) polystyrenesulfonate (PEDOT:PSS) limits the power conversion efficiency (PCE) and stability of the …
View article: Excess PbI<sub>2</sub> Management via Multimode Supramolecular Complex Engineering Enables High‐Performance Perovskite Solar Cells
Excess PbI<sub>2</sub> Management via Multimode Supramolecular Complex Engineering Enables High‐Performance Perovskite Solar Cells Open
Excess PbI 2 in perovskite film is an effective strategy for boosting perovskite solar cells (PSCs) performance. However, the presence of unreacted PbI 2 is a critical source of intrinsic instability in perovskite under illumination, due t…
View article: Continuously Doping BiM<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+δ </sub> into Electron-Doped Superconductor by CaH<sub>2</sub> Annealing Method
Continuously Doping BiM<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+δ </sub> into Electron-Doped Superconductor by CaH<sub>2</sub> Annealing Method Open
As a typical hole-doped cuprate superconductor, Bi 2 Sr 2 CaCu 2 O 8 + δ (Bi2212) carrier doping is mostly determined by its oxygen content. Traditional doping methods can regulate its doping level within the range of hole doping. Here we …