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学者姓名：卢岳
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摘要 ：
Single-atom catalysts show excellent catalytic performance because of their coordination environments and electronic configurations. However, controllable regulation of single-atom permutations still faces challenges. Herein, we demonstrate that a polarization electric field regulates single atom permutations and forms periodic one-dimensional Au single-atom arrays on ferroelectric Bi4Ti3O12 nanosheets. The Au single-atom arrays greatly lower the Gibbs free energy for CO2 conversion via Au-O=C=O-Au dual-site adsorption compared to that for Au-O=C=O single-site adsorption on Au isolated single atoms. Additionally, the Au single-atom arrays suppress the depolarization of Bi4Ti3O12, so it maintains a stronger driving force for separation and transfer of photogenerated charges. Thus, Bi4Ti3O12 with Au single-atom arrays exhibit an efficient CO production rate of 34.15 mu molg(-1)h(-1), similar to 18 times higher than that of pristine Bi4Ti3O12. More importantly, the polarization electric field proves to be a general tactic for the syntheses of one-dimensional Pt, Ag, Fe, Co and Ni single-atom arrays on the Bi4Ti3O12 surface.
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| GB/T 7714 | Liu, Lizhen , Hu, Jingcong , Ma, Zhaoyu et al. One-dimensional single atom arrays on ferroelectric nanosheets for enhanced CO2 photoreduction [J]. | NATURE COMMUNICATIONS , 2024 , 15 (1) . |
| MLA | Liu, Lizhen et al. "One-dimensional single atom arrays on ferroelectric nanosheets for enhanced CO2 photoreduction" . | NATURE COMMUNICATIONS 15 . 1 (2024) . |
| APA | Liu, Lizhen , Hu, Jingcong , Ma, Zhaoyu , Zhu, Zijian , He, Bin , Chen, Fang et al. One-dimensional single atom arrays on ferroelectric nanosheets for enhanced CO2 photoreduction . | NATURE COMMUNICATIONS , 2024 , 15 (1) . |
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摘要 ：
The effective removal of the low-concentration formaldehyde (HCHO) in the indoor environment is a critical issue affecting the quality of people's daily lives. In this study, heterojunction catalysts composed of manganese dioxide (MnO2) and cesium tin iodine (CsSnI3) nanocrystals were first synthesized and successfully used for photocatalytic HCHO degradation. After the full band light irradiation (150 mW/cm(2)) for 3 h, the concentration of HCHO decreased from 7 ppm to a minimum of 0.03 ppm at room temperature (25 degrees C, 25 % RH, degradation efficiency reaches up to 99.6 %). Subsequent analysis using electron paramagnetic resonance (EPR) and transmission electron microscopy (TEM) revealed that the MnO2-CsSnI3 heterojunction photocatalyst not only offers a Z-scheme charge-transfer pathway but also promotes the generation of a large number of center dot O-2(-) and center dot OH. Compared to the single-phase material, the concentration of center dot O-2(-) and center dot OH has increased by 1.5 times. This MnO2-based Z-scheme heterojunction photocatalyst provides a novel strategy for the degradation of low-concentration HCHO in practical indoor environments.
关键词 ：
Formaldehyde degradation Formaldehyde degradation Photocatalysis Photocatalysis CsSnI3 CsSnI3 S-MnO2 S-MnO2 Indoor air pollution Indoor air pollution
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| GB/T 7714 | Bao, Zihan , Wang, Yueshuai , Hu, Jingcong et al. Heterojunction photocatalyst MnO2-CsSnI3 for highly efficient formaldehyde oxidation at room temperature [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 497 . |
| MLA | Bao, Zihan et al. "Heterojunction photocatalyst MnO2-CsSnI3 for highly efficient formaldehyde oxidation at room temperature" . | CHEMICAL ENGINEERING JOURNAL 497 (2024) . |
| APA | Bao, Zihan , Wang, Yueshuai , Hu, Jingcong , Geng, Jiguo , Ma, Sai , Liang, Hehe et al. Heterojunction photocatalyst MnO2-CsSnI3 for highly efficient formaldehyde oxidation at room temperature . | CHEMICAL ENGINEERING JOURNAL , 2024 , 497 . |
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摘要 ：
本发明涉及一种直接热处理制备铂钴金属间化合物纳米颗粒的方法，属于电催化技术领域。本发明以2, 2'‑联二噻吩、六水合硝酸钴和二氧化硅为原料制备出催化剂载体，再将乙酰丙酮铂、乙酰丙酮钴和催化剂载体加入到去离子水中，超声混匀后蒸干溶剂得到前驱体粉末，将前驱体粉末置于H2/Ar混合气氛围中，在温度900～1100℃下恒温热处理1.5～2.5h，匀速降温至温度550～650℃并恒温热处理5～7h，得到Pt3Co金属间化合物纳米颗粒，即IMC‑Pt3Co/C。本发明通过热处理方法直接制备出尺度均一的Pt3Co金属间化合物纳米颗粒催化剂，Pt3Co有序相可以大大提高催化剂的催化活性。
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| GB/T 7714 | 隋曼龄 , 沈志桐 , 卢岳 . 一种直接热处理制备铂钴金属间化合物纳米颗粒的方法 : CN202310466854.8[P]. | 2023-04-27 . |
| MLA | 隋曼龄 et al. "一种直接热处理制备铂钴金属间化合物纳米颗粒的方法" : CN202310466854.8. | 2023-04-27 . |
| APA | 隋曼龄 , 沈志桐 , 卢岳 . 一种直接热处理制备铂钴金属间化合物纳米颗粒的方法 : CN202310466854.8. | 2023-04-27 . |
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摘要 ：
本发明涉及一种室温下催化甲醛高效降解的方法，属于甲醛催化降解技术领域。本发明光催化剂为二氧化锰/铯锡碘量子点复合催化剂，二氧化锰与铯锡碘量子点溶液的固液比mg : μL为0.5～1 : 1；将纳米二氧化锰催化剂超声分散在正己烷溶剂中得到纳米二氧化锰催化剂分散液；将铯锡碘量子点加入到纳米二氧化锰催化剂分散液中，超声分散，使铯锡碘量子点均匀负载在纳米二氧化锰催化剂表面得到二氧化锰/铯锡碘量子点复合催化剂分散液；将二氧化锰/铯锡碘量子点复合催化剂分散液均匀涂布在载体上，然后涂布有二氧化锰/铯锡碘量子点复合催化剂的载体置于甲醛氛围中，在室温下，有光照或无光照条件下催化甲醛降解生成H2O和CO2。本发明复合催化剂可提高室温甲醛的降解效率。
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| GB/T 7714 | 隋曼龄 , 包子涵 , 卢岳 . 一种室温下催化甲醛高效降解的方法 : CN202310529078.1[P]. | 2023-05-11 . |
| MLA | 隋曼龄 et al. "一种室温下催化甲醛高效降解的方法" : CN202310529078.1. | 2023-05-11 . |
| APA | 隋曼龄 , 包子涵 , 卢岳 . 一种室温下催化甲醛高效降解的方法 : CN202310529078.1. | 2023-05-11 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
本发明涉及一种TiO2/Cs2AgBiBr6复合催化剂及其制备方法与应用，属于光催化技术领域。本发明TiO2/Cs2AgBiBr6复合催化剂由纳米TiO2催化剂和Cs2AgBiBr6晶体组成，纳米TiO2催化剂负载于Cs2AgBiBr6晶体表面。本发明将CsBr、AgBr和BiBr3研磨混合得到前驱体粉末；将前驱体粉末平铺在称量纸上，将称量纸漂浮在去离子水面使去离子水逐渐浸润前驱体粉末，浸润过程中前驱体粉末颜色由浅变深，颜色变化停止后，将浸润后的粉末取出，烘干即得Cs2AgBiBr6晶体粉末；将Cs2AgBiBr6晶体粉末和纳米TiO2催化剂加入到研磨容器中，在相对湿度＞50％条件下湿磨5～10min纳米TiO2催化剂负载于Cs2AgBiBr6晶体表面得到TiO2/Cs2AgBiBr6复合催化剂。本发明TiO2纳米颗粒负载在Cs2AgBiBr6晶体上，有效促进光生电子的分离和转移，在可见光下高效催化CO2气体还原选择性转为CO气体。
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| GB/T 7714 | 卢岳 , 梁贺贺 , 隋曼龄 . 一种TiO2/Cs2AgBiBr6复合催化剂及其制备方法与应用 : CN202310529010.3[P]. | 2023-05-11 . |
| MLA | 卢岳 et al. "一种TiO2/Cs2AgBiBr6复合催化剂及其制备方法与应用" : CN202310529010.3. | 2023-05-11 . |
| APA | 卢岳 , 梁贺贺 , 隋曼龄 . 一种TiO2/Cs2AgBiBr6复合催化剂及其制备方法与应用 : CN202310529010.3. | 2023-05-11 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
本发明涉及一种去除金属纳米催化剂表面有机物的方法，属于电催化技术领域。本发明将表面吸附有机物的金属纳米催化剂置于等离子体腔室中，通入H2/Ar混合气体进行启辉放电处理以去除吸附在金属纳米催化剂表面的有机物。本发明利用氢等离子体去除催化剂表面有机物，使金属纳米催化剂表面原子暴露出来，可大幅提高金属纳米催化剂的电催化性能。
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| GB/T 7714 | 卢岳 , 黄国裕 , 隋曼玲 . 一种去除金属纳米催化剂表面有机物的方法 : CN202310477660.8[P]. | 2023-04-28 . |
| MLA | 卢岳 et al. "一种去除金属纳米催化剂表面有机物的方法" : CN202310477660.8. | 2023-04-28 . |
| APA | 卢岳 , 黄国裕 , 隋曼玲 . 一种去除金属纳米催化剂表面有机物的方法 : CN202310477660.8. | 2023-04-28 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
With the rapid development of all-inorganic CsPbX3 (X = I, Br, and Cl) perovskite light-emitting diodes (PeLEDs), their external quantum efficiency (EQE) has made great progress in the last few years. However, severe performance degradation at the operation condition impedes its large-scale industrial application. In this text, by using the advanced spherical aberration corrected transmission electron microscope (TEM), the degradation pathway of PeLEDs under bias loading was more systematically and comprehensively, especially from the viewpoint of its microstructural evolution pathway, which showed that iodine vacancy migration triggered the structural collapse was the primary inducement of performance decay. To solve this problem, inorganic termination ZnI2 was employed to passivate the surface halide vacancy defects and supplement the halide ion into the lattice, which significantly improves the photoluminescence (PL) lifetime and stability of CsPbI3 quantum dots (QDs). As expected, not only the EQE of PeLEDs has been greatly improved, but also the operating half-lifetime is enhanced by about 4 times as compared with the original one. Microstructural characterization and density functional (DFT) calculations confirm that the preferential segregation of Zn element on the surface of QDs was the principal cause to passivate the defect state of QDs, which exhibits lower formation energy and better operational stability.
关键词 ：
DFT DFT CsPbI 3 quantum dots CsPbI 3 quantum dots Surface passivation Surface passivation Perovskite light-emitting diodes Perovskite light-emitting diodes Degradation pathway of PeLEDs Degradation pathway of PeLEDs
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| GB/T 7714 | Hu, Jingcong , Bi, Chenghao , Zhang, Xuetao et al. Origin of the bias instability in CsPbI3 light-emitting diodes [J]. | APPLIED SURFACE SCIENCE , 2023 , 626 . |
| MLA | Hu, Jingcong et al. "Origin of the bias instability in CsPbI3 light-emitting diodes" . | APPLIED SURFACE SCIENCE 626 (2023) . |
| APA | Hu, Jingcong , Bi, Chenghao , Zhang, Xuetao , Tian, Bohai , Lu, Yue , Tian, Jianjun et al. Origin of the bias instability in CsPbI3 light-emitting diodes . | APPLIED SURFACE SCIENCE , 2023 , 626 . |
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摘要 ：
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 atomic-scale 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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摘要 ：
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.
关键词 ：
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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摘要 ：
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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