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学者姓名：卢岳
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Abstract ：
Electrochemical production of hydrogen peroxide (H2O2) is a sustainable and environmentally benign process. The electrochemical oxygen reduction process (ORR) via a two electron pathway (2e- ORR) offers a practical method for on-site H2O2 generation. As an earth-abundant catalyst, the cobalt-nitrogen coordinated systems integrated into the carbon matrix (Co-NC) has caused wide attention for its high activity in 2e- ORR. Even though most of the reported Co-NC catalysts have classical planar Co-N4 coordination, axial coordination engineering has recently emerged as an effective way to control the active sites in the axial direction by using different coordination ligands. The structure-function link between the Co-N configuration of non-planar coordination and 2e- ORR activity is, however, not fully understood. An axial-N coordinated Co-N5 motif embedded in hierarchically porous graphite-3R carbon (Co-N5C) was effectively synthesized using a template-sacrificing method. The Co-N5C has a high selectivity for 2e- ORR and a high H2O2 molar production rate of up to 6.78 mol peroxide/ gcatalyst/h in acidic media, both of which are better than its Co-N4 counterpart. DFT analyses demonstrate that axial-N ligands regulated the d-band center of the Co atom in the Co-N5C catalyst, inducing a shift in & UDelta;G*OOH near the Sabatier volcano plot's peak (& UDelta;G*OOH = 4.22 eV). This optimized the binding of the *OOH intermediate and then enhanced the protonation of *OOH to produce H2O2 more efficiently.
Keyword ：
Template-sacrificing strategy Template-sacrificing strategy Hydrogen peroxide Hydrogen peroxide ORR ORR Active site density Active site density Axial-N Axial-N
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| GB/T 7714 | Yan, Lina , Wang, Chao , Wang, Yueshuai et al. Optimizing the binding of the *OOH intermediate via axially coordinated Co-N5 motif for efficient electrocatalytic H2O2 production [J]. | APPLIED CATALYSIS B-ENVIRONMENTAL , 2023 , 338 . |
| MLA | Yan, Lina et al. "Optimizing the binding of the *OOH intermediate via axially coordinated Co-N5 motif for efficient electrocatalytic H2O2 production" . | APPLIED CATALYSIS B-ENVIRONMENTAL 338 (2023) . |
| APA | Yan, Lina , Wang, Chao , Wang, Yueshuai , Wang, Yahui , Wang, Zhaozhao , Zheng, Lirong et al. Optimizing the binding of the *OOH intermediate via axially coordinated Co-N5 motif for efficient electrocatalytic H2O2 production . | APPLIED CATALYSIS B-ENVIRONMENTAL , 2023 , 338 . |
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Abstract ：
全面了解钙钛矿太阳能电池(PSC)及发光二极管(LED)的微结构衰变机理,对于发展高效稳定的钙钛矿光伏器件至关重要。前期工作中,通过发展先进电子显微学表征技术方法[1],我们针对钙钛矿太阳能电池在光、湿以及加热条件下的微结构演变过程,以及偏压加载下钙钛矿发光二极管的衰减机理进行了系统研究。研究结果表明,光照条件下,有机无机杂化钙钛矿薄膜会向金属铅Pb~0进行转变,在此过程中非晶相PbI_(2-x)在Pb~0表面形成壳层,对于有机无机杂化钙钛矿的降解过程至关重要~([2])。对于PSC器件而言,光照过程中金属电极如Au元素会向电子传输层与钙钛矿的界面处发生迁移,其对太阳能电池器件的光照稳定性扮演者重要的角色~([3,4])。在湿度条件下,有机无机杂化钙钛矿表面的有机封端和无机Pb-I封端,会造成其薄膜降解路径的差异~([1])。而加热条件下,电子传输层内部的氧元素会逐渐扩散至钙钛矿层,其对薄膜以及器件的热稳定性演化起着决定性作用~([5])。除上述研究外,我们还研究了偏压条件下无机CsPbI_3钙钛矿量子点及发光器件的降解路径,尤其揭示了表面卤素空位对其性能和稳定性降解路径的决定性影响~([6])。
Keyword ：
钙钛矿 钙钛矿 光伏器件 光伏器件 结构与性能 结构与性能 稳定性 稳定性
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| GB/T 7714 | 卢岳 . 使役环境下钙钛矿光伏器件失稳机理研究 [C] //第十届新型太阳能材料科学与技术学术研讨会论文集 . 2023 . |
| MLA | 卢岳 . "使役环境下钙钛矿光伏器件失稳机理研究" 第十届新型太阳能材料科学与技术学术研讨会论文集 . (2023) . |
| APA | 卢岳 . 使役环境下钙钛矿光伏器件失稳机理研究 第十届新型太阳能材料科学与技术学术研讨会论文集 . (2023) . |
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Abstract ：
电化学及光化学液体环境透射电子显微镜技术由于能够对固-液相界面进行直接实时动态观测,近年来在能源催化机理研究领域的机理研究得到了应用。首先,对液体环境透射电子显微镜中引入电信号和光信号的平台设计方案进行了归纳总结;其次,对这项技术在电催化产氢、二氧化碳还原以及光催化产氢这几类典型的能源催化体系中的应用进行了分类介绍和成果总结;最后,针对这项技术的局限性进行了分析,提出了解决方案并在此基础上对其未来的发展方向进行了展望。电化学及光化学液体环境透射电子显微镜技术在为各类催化反应的机理研究提供有力的技术支持的同时,其分辨率问题以及电子束与材料的相互作用等方面所带来的假象应当引起研究人员的重视。
Keyword ：
光催化 光催化 电催化 电催化 原位 原位 能源材料 能源材料 液体环境 液体环境 透射电子显微镜 透射电子显微镜
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| GB/T 7714 | 王越帅 , 黄国裕 , 沈志桐 et al. 电化学及光化学液体环境透射电子显微镜技术在能源催化研究领域的应用 [J]. | 北京工业大学学报 , 2023 , (10) : 1126-1140 . |
| MLA | 王越帅 et al. "电化学及光化学液体环境透射电子显微镜技术在能源催化研究领域的应用" . | 北京工业大学学报 10 (2023) : 1126-1140 . |
| APA | 王越帅 , 黄国裕 , 沈志桐 , 卢岳 , 隋曼龄 . 电化学及光化学液体环境透射电子显微镜技术在能源催化研究领域的应用 . | 北京工业大学学报 , 2023 , (10) , 1126-1140 . |
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Abstract ：
Atomic-scale ferroelectrics are of great interest for high-density electronics, particularly field-effect transistors, low-power logic, and nonvolatile memories. We devised a film with a layered structure of bismuth oxide that can stabilize the ferroelectric state down to 1 nanometer through samarium bondage. This film can be grown on a variety of substrates with a cost-effective chemical solution deposition. We observed a standard ferroelectric hysteresis loop down to a thickness of similar to 1 nanometer. The thin films with thicknesses that range from 1 to 4.56 nanometers possess a relatively large remanent polarization from 17 to 50 microcoulombs per square centimeter. We verified the structure with first-principles calculations, which also pointed to the material being a lone pair-driven ferroelectric material. The structure design of the ultrathin ferroelectric films has great potential for the manufacturing of atomicscale electronic devices.
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| GB/T 7714 | Yang, Qianqian , Hu, Jingcong , Fang, Yue-Wen et al. Ferroelectricity in layered bismuth oxide down to 1 nanometer [J]. | SCIENCE , 2023 , 379 (6638) : 1218-1224 . |
| MLA | Yang, Qianqian et al. "Ferroelectricity in layered bismuth oxide down to 1 nanometer" . | SCIENCE 379 . 6638 (2023) : 1218-1224 . |
| APA | Yang, Qianqian , Hu, Jingcong , Fang, Yue-Wen , Jia, Yueyang , Yang, Rui , Deng, Shiqing et al. Ferroelectricity in layered bismuth oxide down to 1 nanometer . | SCIENCE , 2023 , 379 (6638) , 1218-1224 . |
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Abstract ：
With the rapid development of metal halide perovskite, reducing its dimensionality into two-dimensional (2D) or one-dimensional (1D) nanostructures has been reported to be a good alternative for expanding the spectral absorption or emission range. For example, when substituting monovalent cation Cs+ with phenyl-ethylammonium (PEA(+)) on fabricating 2D-CsPbI3, the photoluminescence peak processes a maximum regulation from 710 to 625 nm. Simultaneously, when slicing into 1D CsPbI3 nanowires, the light emission could also achieve a maximum blue shift from 700 to 600 nm. Herein, by using a ligand-assistant reprecipitation (LARP) method, oleic acid (OA) molecule is successfully inserted into the lattice of one-dimensional CsPbI3 nanowire (namely OA-CsPbI3), which presents a monochromatic yellow light emission at 558 nm with narrow emission-band (about 28 nm), and records high photoluminescence quantum yield (PLQY) of 94%. Such a yellow-light emission in single halide CsPbI3 systems has never been discovered before. Meanwhile, a shallow energy level in the OA-CsPbI3 nanowire is further identified by the ultrafast transient absorption (TA) and first-principle calculation, which helps the photoexcited carriers bypass the trap state level in the bandgap and enhances the radiative excitons lifetime with maximum binding energy up to 212.5 meV. What's more, the excellent thermal and moisture stabilities of the newly formed one-dimensional OA-CsPbI3 nanowire indicate a promising application prospect in the field of luminescent devices.
Keyword ：
New structure New structure Quantum confinement effect Quantum confinement effect Photoluminescence quantum yield Photoluminescence quantum yield Binding energy Binding energy Nanowire Nanowire Single halide yellow light-emitting Single halide yellow light-emitting
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| GB/T 7714 | Hu, Jingcong , Bi, Chenghao , Zhang, Xuetao et al. Yellow-light emitted single halide CsPbI3 nanowire [J]. | APPLIED MATERIALS TODAY , 2022 , 29 . |
| MLA | Hu, Jingcong et al. "Yellow-light emitted single halide CsPbI3 nanowire" . | APPLIED MATERIALS TODAY 29 (2022) . |
| APA | Hu, Jingcong , Bi, Chenghao , Zhang, Xuetao , Lu, Yue , Zhou, Wencai , Zheng, Zilong et al. Yellow-light emitted single halide CsPbI3 nanowire . | APPLIED MATERIALS TODAY , 2022 , 29 . |
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Abstract ：
Inefficient charge separation and insufficient surface catalytic sites remain the main impediment in developing highly efficient and selective catalysts for CO2 photoreduction. Surface defects are effective, but their function is always constrained within the defect location. Herein, a desirable surface cation vacancy strategy is implemented to solve the above obstacles over Bi4Ti3O12 nanosheets. The surface Ti vacancy (V-Ti) creates an atomic-level charge transfer channel on the surface of Bi4Ti3O12, allowing a rapid transfer of photon-generated electrons from the V-Ti site of neighboring Ti and O atoms to CO2 molecules. More importantly, V-Ti activates neighboring Ti and O atoms, which allows them a stronger ability for enhancing CO2 adsorption and conversion. Thus, a convenient and swift charge transfer channel and activated near surface region are formed on the surface of Bi4Ti3O12, profoundly boosting the CO2 reduction process, as evidenced by experimental and theoretical results collectively. Without any sacrificial agents or cocatalysts, Bi4Ti3O12 with an optimal V-Ti concentration exhibits an outstanding CO production rate of 15.17 mu mol g(-1) h(-1), nearly 5 times higher than that of pristine Bi4Ti3O12. This work unfolds a new function of surface cation vacancies to substantially enhance CO2 photoreduction.
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| GB/T 7714 | Liu, Lizhen , Hu, Jingcong , Lei, Ben et al. Cation vacancy activating surface neighboring sites for efficient CO2 photoreduction on Bi4Ti3O12 nanosheets [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2022 , 10 (38) : 20396-20401 . |
| MLA | Liu, Lizhen et al. "Cation vacancy activating surface neighboring sites for efficient CO2 photoreduction on Bi4Ti3O12 nanosheets" . | JOURNAL OF MATERIALS CHEMISTRY A 10 . 38 (2022) : 20396-20401 . |
| APA | Liu, Lizhen , Hu, Jingcong , Lei, Ben , Huang, Hongwei , Lu, Yue . Cation vacancy activating surface neighboring sites for efficient CO2 photoreduction on Bi4Ti3O12 nanosheets . | JOURNAL OF MATERIALS CHEMISTRY A , 2022 , 10 (38) , 20396-20401 . |
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Abstract ：
随着光伏产业的不断发展,有机无机杂化钙钛矿太阳能电池的研发成为科学与工业界广泛关注的焦点。到目前为止,其光电转换效率已经提高到了25.2%,成为替代硅基太阳能电池的核心方案之一。然而,钙钛矿太阳能电池的稳定性较差,容易受到环境中氧气、水分、温度甚至光照的影响,这严重制约了其大规模推广与应用。大量科学研究表明,如何避免紫外辐照下有机无机杂化钙钛矿太阳能电池的性能衰减,对于提高钙钛矿太阳能电池的光照稳定性至关重要。然而到目前为止,仍然没有系统的工作来对紫外辐照下钙钛矿太阳能电池性能以及微结构演化过程进行详细的表征与分析。本文中,我们利用聚焦离子束-扫描电子显微分析(FIB-SEM)以及球差校正透射...
Keyword ：
电子显微学 电子显微学 金迁移 金迁移 紫外光 紫外光 钙钛矿太阳能电池 钙钛矿太阳能电池 降解机制 降解机制
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| GB/T 7714 | 卢岳 , 葛杨 , 隋曼龄 . 紫外光辐照下CH_3NH_3PbI_3基钙钛矿太阳能电池失效机制 [J]. | 物理化学学报 , 2022 , 38 (05) : 76-86 . |
| MLA | 卢岳 et al. "紫外光辐照下CH_3NH_3PbI_3基钙钛矿太阳能电池失效机制" . | 物理化学学报 38 . 05 (2022) : 76-86 . |
| APA | 卢岳 , 葛杨 , 隋曼龄 . 紫外光辐照下CH_3NH_3PbI_3基钙钛矿太阳能电池失效机制 . | 物理化学学报 , 2022 , 38 (05) , 76-86 . |
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Abstract ：
The emerging data-intensive applications in optoelectronics are driving innovation toward the fused integration of sensing, memory, and computing to break through the restrictions of the von Neumann architecture. However, the present photodetectors with only optoelectronic conversion functions cannot satisfy the growing demands of the multifunctions required in single devices. Here, a novel route for the integration of non-volatile memory into a photodetector is proposed, with a WSe2/h-BN van der Waals heterostructure on a Si/SiO2 substrate to realize in-memory photodetection. This photodetector exhibits an ultrahigh readout photocurrent of 3.4 mu A and photoresponsivity of 337.8 A W-1 in the solar-blind wavelength region, together with an extended retention time of more than 10 years. Furthermore, the charge-storage-based non-volatile mechanism of h-BN/SiO2 is successfully proven through a novel analysis of in situ optoelectronic electron energy-loss spectroscopy. These results represent a leap forward to future applications and insightful mechanisms of in-memory photodetection.
Keyword ：
non-volatile photodetection non-volatile photodetection charge-storage effect charge-storage effect 2D materials 2D materials van der Waals heterostructures van der Waals heterostructures in-memory photodetectors in-memory photodetectors
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| GB/T 7714 | Li, Songyu , Zhang, Zeyu , Chen, Xiaoqing et al. A High-Performance In-Memory Photodetector Realized by Charge Storage in a van der Waals MISFET [J]. | ADVANCED MATERIALS , 2022 , 34 (10) . |
| MLA | Li, Songyu et al. "A High-Performance In-Memory Photodetector Realized by Charge Storage in a van der Waals MISFET" . | ADVANCED MATERIALS 34 . 10 (2022) . |
| APA | Li, Songyu , Zhang, Zeyu , Chen, Xiaoqing , Deng, Wenjie , Lu, Yue , Sui, Manling et al. A High-Performance In-Memory Photodetector Realized by Charge Storage in a van der Waals MISFET . | ADVANCED MATERIALS , 2022 , 34 (10) . |
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Abstract ：
Designing highly efficient photocatalysts is significantly important to degrade the harmful pollutions in water. In this study, photocatalyst of Fe3O4-ED-rGO with dissolved HPV was successfully prepared and electron microscopy characterization revealed that large number of single tungsten/vanadium atom oxide (ST/VAO) was homogeneously deposited on Fe3O4 nanoparticles in SMAO-MrGO-ED sample and occupied the bivalent Fe2+ sites. Meanwhile, phase analysis confirmed that the Fe3O4 nanocomposites were mostly conversed from the reducted Fe2O3 by the hydrolysis of rGO-ED-HPV. Such a highly dispersed monatomic adsorption on the bivalent Fe2+ of polycrystalline SMAO-MrGO-ED nanocomposite not only benefits for the visible light absorption from 2.7 eV to 2.10 eV, but also offers abundantly active sites to get the highest activity of 98.43% and 98.12% for ciprofloxacin (CF) and ibuprofen (IBF) photodegradation, respectively. All these discoveries give us a new insight to design the photocatalysts with high photodegradation efficiency, low cost, short reaction time and good reusability.
Keyword ：
Ibuprofen Ibuprofen Magnetic nanocomposite Magnetic nanocomposite Single metal atom oxide Single metal atom oxide Photodegradation Photodegradation Ciprofloxacin Ciprofloxacin
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| GB/T 7714 | Selvakumar, Karuppaiah , Wang, Yueshuai , Lu, Yue et al. Single metal atom oxide anchored Fe3O4-ED-rGO for highly efficient photodecomposition of antibiotic residues under visible light illumination [J]. | APPLIED CATALYSIS B-ENVIRONMENTAL , 2022 , 300 . |
| MLA | Selvakumar, Karuppaiah et al. "Single metal atom oxide anchored Fe3O4-ED-rGO for highly efficient photodecomposition of antibiotic residues under visible light illumination" . | APPLIED CATALYSIS B-ENVIRONMENTAL 300 (2022) . |
| APA | Selvakumar, Karuppaiah , Wang, Yueshuai , Lu, Yue , Tian, Bohai , Zhang, Zeyu , Hu, Jingcong et al. Single metal atom oxide anchored Fe3O4-ED-rGO for highly efficient photodecomposition of antibiotic residues under visible light illumination . | APPLIED CATALYSIS B-ENVIRONMENTAL , 2022 , 300 . |
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Abstract ：
The open-circuit voltage (V-OC) of cesium-based perovskite solar cells (Cs-PSCs) is severely limited by carrier recombination both in bulk and at the interface of the perovskite layer, which mainly roots in its elevated fabrication temperature. Enhancing the quality of perovskite film and optimizing the device structure are effective strategies to improve the performance of Cs-PSCs. Here, the V-OC is markedly promoted by constructing CsPbI3/Cs(1-x)DMA(x)PbI(3) bulk heterojunction (BHJ) structure, which was spontaneously formed by a precisely controlled spatially selective phase transition method. The perovskite BHJ structure not only facilitates the charge separation and collection process by enhancing the built-in potential but also obviously reduces the carrier recombination loss. Importantly, a maximum V-OC of 1.23 V was obtained as the V-OC deficit was 0.45 V, and the champion power conversion efficiency (PCE) reached 20.32% (certified PCE of 19.66%). Our finding indicates that junction engineering will be a new strategy for efficient perovskite devices.
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| GB/T 7714 | Sun, Xiuhong , Shao, Zhipeng , Li, Zhipeng et al. Highly efficient CsPbI3/Cs(1-x)DMAxPbI(3) bulk heterojunction perovskite solar cell [J]. | JOULE , 2022 , 6 (4) : 850-860 . |
| MLA | Sun, Xiuhong et al. "Highly efficient CsPbI3/Cs(1-x)DMAxPbI(3) bulk heterojunction perovskite solar cell" . | JOULE 6 . 4 (2022) : 850-860 . |
| APA | Sun, Xiuhong , Shao, Zhipeng , Li, Zhipeng , Liu, Dachang , Gao, Caiyun , Chen, Chen et al. Highly efficient CsPbI3/Cs(1-x)DMAxPbI(3) bulk heterojunction perovskite solar cell . | JOULE , 2022 , 6 (4) , 850-860 . |
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