- IoT and Edge/Fog Computing
- Porphyrin and Phthalocyanine Chemistry
- Advanced Photocatalysis Techniques
- Cloud Computing and Resource Management
- Electrocatalysts for Energy Conversion
- Metal-Catalyzed Oxygenation Mechanisms
- Distributed and Parallel Computing Systems
- Covalent Organic Framework Applications
- Copper-based nanomaterials and applications
- Energy Load and Power Forecasting
- Advanced Data Storage Technologies
- Advanced Neural Network Applications
- Network Security and Intrusion Detection
- Domain Adaptation and Few-Shot Learning
- Metal complexes synthesis and properties
- Generative Adversarial Networks and Image Synthesis
- Brain Tumor Detection and Classification
- UAV Applications and Optimization
- Machine Learning and ELM
- Advanced Algorithms and Applications
- Smart Grid and Power Systems
- Multimodal Machine Learning Applications
- Surface Chemistry and Catalysis
- Speech and Audio Processing
- Cloud Data Security Solutions
Changsha University of Science and Technology
2023-2025
Luoyang Normal University
2022-2024
Hunan University
2018-2024
Henan University
2016-2022
There has been a widespread interest in the preparation of self-assembled porphyrin nanostructures and their ordered arrays, aiming to emulate natural light harvesting processes energy storage develop new nanostructured materials for photocatalytic process. Here, we report controlled synthesis one-dimensional such as nanorods nanowires with well-defined networks that enable efficient transfer enhanced activity hydrogen generation. Preparation these is conducted through noncovalent...
The design and engineering of the size, shape, chemistry photoactive building blocks enables fabrication functional nanoparticles for applications in light harvesting, photocatalytic synthesis, water splitting, phototherapy, photodegradation. Here, we report synthesis such through a surfactant-assisted interfacial self-assembly process using optically active porphyrin as block. relies on specific interactions π-π stacking metalation (metal atoms ligand coordination) between individual...
Nowadays, cloud-supported Internet of Things (Cloud-IoT) has been broadly deployed in smart medical systems, where the limitations (IoT)-associated devices terms data access, storage, scalability, and computing are solved through use cloud architectures. However, with rapid development equipment increasing number devices, it will be extremely difficult to program or manage such an expanding massive IoT system traditional single-cloud platforms. In this article, we design implement a...
The preparation of self-assembled porphyrins with orderly stacked nanostructures for emulating natural photosynthesis has stimulated extensive efforts to optimize the energy conversion efficiency. However, elucidation how structures promote photocatalysis at molecular level remains a great challenge. Here, unique porphyrin nanoleaves designed and ordered structure are synthesized show hydrogen evolution rate higher than that commercial powder. Photodeposition cocatalysts Kelvin probe force...
The LLL (Lenstra–Lenstra–Lovász) algorithm is an important method for lattice basis reduction and has broad applications in computer algebra, cryptography, number theory, combinatorial optimization. However, current algorithms face challenges such as inadequate adaptation to domestic supercomputers low efficiency. To enhance the efficiency of practical applications, this research focuses on parallel optimization LLL_FP (LLL double-precision floating-point type) from NTL library Tianhe...
Covalent organic frameworks (COFs) with donor–acceptor (D–A) units are credible photocatalysts for their per-designed structure, inherent porosity, large surface area, splendid stability and so forth. Developing COFs an excellent photocatalytic efficiency hydrogen evolution is of a great significance in alleviating the energy crisis. Herein, D–A type imine-linked crystalline Zn-Por-TT COF was fabricated successfully via co-polymerization electron-deficient Zinc (II)...
Large-scale data centers have been widely used for cloud services, and the stability of various services has received additional attention from users. Although service disruptions are not as catastrophic they once were, their impact might be more extensive than before. These outages may trigger migration virtual machines (VMs) located in failure node. However, access time each VM is random, unlike accident time, which can predicted. This means that traditional caused by interruptions result...
Reaction of tetraphenyl-21-thiaporphyrin (HSTPP) with cobalt salt yields a pentacoordinated high-spin 3/2 [CoIICl(STTP)] (1). Through ion exchange, roughly square-planar-geometry low-spin 1/2 CoIISTTP(BArF24) (2) complex was isolated. These two paramagnetic precursors were examined by single X-ray diffraction, nuclear magnetic resonance, electron superconducting quantum interference device, and density functional theory calculations. allowed the development one reduction oxidation to give...
With the advantages of maneuverability and low cost, Unmanned Aerial Vehicles (UAVs) are widely deployed in mobile edge computing as micro servers to provide service. However, tasks usually require a large amount energy have strict time constraints, while battery endurance UAVs limited. Therefore, consumption delay become key issues such architectures. To address this issue, an Entropy Normalized Soft Actor-Critic (ENSAC) computation offloading algorithm is proposed paper, aiming minimize...
The metal-free porphyrins protonation has gained interest over five decades because its structure modification and hardly monoacid intermediate isolation. Here, upon the hydrogen atom abstraction processes, one step diproptonated H3STTP(BF4)2 (STTP = 5,10,15,20-tetraphenyl-21-thiaporphyrin) (3) stepwise protonated HS2TTPSbCl6 (5) diprotonated H2S2TTP(BF4)2 (6) (S2TTP 5,10,15,20-tetraphenyl-21,23-thiaporphyrin) compounds were obtained using HSTTP S2TTP with oxidants. closed-shell fully...
Summary With the rise of industrialization, importance industrial Internet Things (IIoT) has increased significantly, and with it comes a variety security threats. Therefore, these networks is critical. Industrial Response Systems (IRSs), as last line security, plays an important role in system Things. In this paper, new IRS model based on non‐cooperative game proposed. First, by combining Partially Observable Markov Decision Process (POMDP) stochastic expanded attack tree, our could...
Abstract In recent years, more and large-scale high-performance applications have been submitted to the Supercomputing Center for processing. These jobs often require intensive computations, any running failure will lead a lot of wasted costs. Therefore, effective prediction job status help improve resource management efficiency Center. this paper, we first propose combinatorial feature selection method combining ReliefF SelectKBest, which can effectively obtain state features. Then, an...