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学者姓名：潘海波
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本发明公开了用于室温下高灵敏氨气传感的纳米银表面修饰二维钛酸铅材料制备方法，分别取适量PbTiO3纳米片和不同摩尔百分比的AgNO3溶于无水乙醇溶液，再转移至坩埚中，在80 oC条件下进行避光水浴反应，经高温煅烧，得到具有高活性的Ag/PbTiO3纳米复合材料。本发明制备的Ag表面修饰PbTiO3氨气传感材料，在低温或室温下，提高了其气敏响应灵敏度、响应时间、选择性和稳定性，具有广阔的应用前景。
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| GB/T 7714 | 潘海波 , 林星 , 张志鹏 et al. 用于室温下高灵敏氨气传感的纳米银表面修饰二维钛酸铅材料制备方法 : CN202111335953.X[P]. | 2021-11-12 00:00:00 . |
| MLA | 潘海波 et al. "用于室温下高灵敏氨气传感的纳米银表面修饰二维钛酸铅材料制备方法" : CN202111335953.X. | 2021-11-12 00:00:00 . |
| APA | 潘海波 , 林星 , 张志鹏 , 沈水发 , 刘永冠 , 叶慧玲 . 用于室温下高灵敏氨气传感的纳米银表面修饰二维钛酸铅材料制备方法 : CN202111335953.X. | 2021-11-12 00:00:00 . |
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Two-dimensional (2D) perovskite PbTiO3 is an important ferroelectric material with spontaneous polarization below Curie temperature and readily adsorbs oxygen molecules in the atmosphere, a preliminary step for NH3 response. However, the surface of 2D PbTiO3 lacks enough active adsorption sites for NH3 gas. Here, 2D PbTiO3 nanoplates (NLs) with highly polarized (001) plane was synthesized by a two-step hydrothermal strategy without templates and surfactants, and Ag+ ions on (001) plane were further in-situ reduced by an impregnation method. Specially, the negatively polarized surface (zeta (zeta potential) =-22.3 mV) for (001) plane promoted the reduction of Ag+ ions in AgNO3 solution to Ag0 nanoparticles (NPs). Where, Ag NPs with high density on (001) plane can produce spillover effect, promoting adsorption of O2 in air and subsequent formation of O2-. The response of PbTiO3-based gas sensor to 100 ppm NH3 is 3.6 at room temperature (25 degrees C), while the response is improved by 2.6 times on 1.5 at% Ag/PbTiO3 NLs with Schottky junctions. Even at 15 degrees C, the response reaches to 6. The ammonia sensor based on Ag/PbTiO3 NFs is verified with high sensitivity, fast response-recovery and distinct selectivity at low operating temperature.
Keyword ：
Ag surface modification Ag surface modification Ammonia gas sensor Ammonia gas sensor PbTiO3 nanoplates PbTiO3 nanoplates Polarization Polarization Spillover effect Spillover effect
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| GB/T 7714 | Lin, Xing , Wang, Xiaojie , Zhang, Zhipeng et al. Silver nanoparticles modified two-dimensional polarizative PbTiO3 nanoplates with high active plane and improved NH3 sensitivity at low temperature [J]. | APPLIED SURFACE SCIENCE , 2023 , 607 . |
| MLA | Lin, Xing et al. "Silver nanoparticles modified two-dimensional polarizative PbTiO3 nanoplates with high active plane and improved NH3 sensitivity at low temperature" . | APPLIED SURFACE SCIENCE 607 (2023) . |
| APA | Lin, Xing , Wang, Xiaojie , Zhang, Zhipeng , Ye, Huiling , Bai, Yang , Shen, Shuifa et al. Silver nanoparticles modified two-dimensional polarizative PbTiO3 nanoplates with high active plane and improved NH3 sensitivity at low temperature . | APPLIED SURFACE SCIENCE , 2023 , 607 . |
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Electrochemical point-of-care testing (POCT) technology is widely used in clinical testing, health management, epidemic control, food safety monitoring, and drug detection. Existing electrochemical POCT devices are mostly single-channel tests with a simple detection index, fixed sensitivity, and limited test range. In this article, a dual-channel, high-precision electrochemical device with automatic analytic software is developed. Two independent channels with consistent performance can be operated at the same time, multiplying the detection efficiency. The digital potentiometer is adopted as the feedback resistor for the operational amplifier, and an automatic adjustment program is set up on the smartphone app to achieve automatic adjustment of current detection sensitivity. An automatic peak-seeking function is proposed, which can quickly locate and record the peak voltage and current. The current detection range from +/- 10 nA to & PLUSMN;2 mA with a sensitivity up to 10(-8)A and a current detection resolution as low as 0.062% (6.19 pA in the +/- 10 nA range) are obtained. The device has been carried out for the simultaneous detection of ascorbic acid (AA), uric acid (UA), and dopamine (DA) (R-2 > 0.977). The results indicate that the dual-channel device is of wide linear detection range, high precision, and consistency. It provides a technical means and a test platform for accurate and timely diagnosis of relevant diseases and health monitoring.
Keyword ：
Automatic range adjustment Automatic range adjustment dual channel dual channel electrochemical detection electrochemical detection Electrodes Electrodes high current detection sensitivity high current detection sensitivity Performance evaluation Performance evaluation point-of-care testing (POCT) point-of-care testing (POCT) Resistors Resistors Sensitivity Sensitivity Sensors Sensors smartphone smartphone Software Software Workstations Workstations
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| GB/T 7714 | Wei, Yi , Zhang, Xiaotao , Chen, Xing et al. High-Precision Dual-Channel Electrochemical POCT Device With Automatic Adjustment of Current Detection Sensitivity [J]. | IEEE SENSORS JOURNAL , 2023 , 23 (4) : 3699-3709 . |
| MLA | Wei, Yi et al. "High-Precision Dual-Channel Electrochemical POCT Device With Automatic Adjustment of Current Detection Sensitivity" . | IEEE SENSORS JOURNAL 23 . 4 (2023) : 3699-3709 . |
| APA | Wei, Yi , Zhang, Xiaotao , Chen, Xing , Pan, Haibo , Vasic, Z. Lucev , Cifrek, Mario et al. High-Precision Dual-Channel Electrochemical POCT Device With Automatic Adjustment of Current Detection Sensitivity . | IEEE SENSORS JOURNAL , 2023 , 23 (4) , 3699-3709 . |
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Nanozymes are ideal materials for designing colorimetric sensors, and the spontaneous catalytic effect in most of nanozymes commonly leads to instability of the colorimetric signal. To improve this limitation, photoresponsive nanozymes as a switch under specific-light irradiation are used to regulate the reaction process in a controlled manner. Strontium titanate (SrTiO3) is a high-performance photocatalyst, whose heterojunctions formed with reduced graphene oxide (rGO) are promising to efficiently induce the separation of carriers, further generating abundant radicals to colorize the substrate. Here, the SrTiO3-rGO composites with a high specific surface area were synthesized by hydrothermal method and showed excellent peroxidase-like activity under ultraviolet irradiation. The affinity for 3,3',5,5'-tetramethylbenzidine is equivalent to 19 times that of horseradish peroxidase and the reaction mechanism is analyzed based on reactive intermediates(center dot O-2(-)) and elemental valence changes. A colorimetric sensor based on SrTiO3-rGO with high sensitivity, low limit (56 nM), and wide linear range (1-100 mu M) is constructed for detecting tannins in tea samples. This visualization model provides a reliable idea for the quantitative analysis of trace substances.
Keyword ：
Colorimetric sensor Colorimetric sensor Graphene Graphene Nanozyme Nanozyme SrTiO3 SrTiO3 Tannins Tannins
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| GB/T 7714 | Liu, Yongguan , Ye, Huiling , Ying, Meihui et al. In-situ growth of SrTiO3 nanosheets on graphene oxide for colorimetric detection of tannins in tea and behavior of active oxygen radicals in the nanozymatic process [J]. | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2023 , 675 . |
| MLA | Liu, Yongguan et al. "In-situ growth of SrTiO3 nanosheets on graphene oxide for colorimetric detection of tannins in tea and behavior of active oxygen radicals in the nanozymatic process" . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 675 (2023) . |
| APA | Liu, Yongguan , Ye, Huiling , Ying, Meihui , Lin, Xing , Jia, Xiao , Pan, Haibo . In-situ growth of SrTiO3 nanosheets on graphene oxide for colorimetric detection of tannins in tea and behavior of active oxygen radicals in the nanozymatic process . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2023 , 675 . |
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Metal-organic frameworks (MOFs) are with extensive attention for environmental remediation due to their various modification and high density of active sites. Herein, a series of Ag/ZnO@ZIF-C with core-shell structure and graphene carbon (C) acts as a sandwich bridge were designed as a photocatalyst, accelerating the interfacial charge transfer rate between Ag and ZnO. Photocatalytic activities of Ag/ZnO@ZIF-C is remarkably improved toward rhodamine B (RhB) under UV irradiation, i.e., the degradation rate by Ag/ZnO@ZIF-C (20 wt%) is 2.27 times than that of P25. RhB molecules were simultaneously photodegraded at multiple sites, including N-site deethyl, conjugate structure and benzene ring. The photocatalytic upgrading performance was recognized to the synergetic interface between ZnO@ZIF-C and Ag nanoparticles (NPs) with effective separation and suppressed the recombination of electrons and holes. It is suggesting that the electrons in the valence band (VB) of ZnO are excited to the conduction band (CB) and transferred to Ag NPs through the ZIF-C layer, then react with adsorbed oxygen to create superoxide radicals and degrade RhB into small molecules. After a five-consecutive operation, its photocatalytic efficiency by Ag/ZnO@ZIF-C (20 wt%) still maintains at 95.11 %. This work provides a
Keyword ：
Core-shell Core-shell Photocatalysis Photocatalysis Superoxide radical Superoxide radical ZIF-8 ZIF-8
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| GB/T 7714 | Xu, Yuanjie , Yang, Shichao , Ying, Meihui et al. Enhanced photocatalytic activity of Ag/ZnO@ZIF-C with core-shell structure and multiple catalytic sites [J]. | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2023 , 658 . |
| MLA | Xu, Yuanjie et al. "Enhanced photocatalytic activity of Ag/ZnO@ZIF-C with core-shell structure and multiple catalytic sites" . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 658 (2023) . |
| APA | Xu, Yuanjie , Yang, Shichao , Ying, Meihui , Lin, Xing , Pan, Haibo . Enhanced photocatalytic activity of Ag/ZnO@ZIF-C with core-shell structure and multiple catalytic sites . | COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS , 2023 , 658 . |
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Shape controlled preparation and doping are important means to improve the gas sensitivity of metal oxide semiconductor materials. In this work, pure and Co-doped In2O3 porous hollow hexagonal cylinders were suc-cessfully prepared using metal-organic frameworks (MOFs) MIL-68(In) as self-sacrificial template. The size of the MIL-68(In) hexagonal cylinder is uniform, and the In2O3 obtained after pyrolysis better inherits the shape of the MIL-68(In), but becomes hollow, and the cylinder surfaces are porous. The product has a large specific surface area (46.52 m(2)/g), and the doping of Co significantly increases the oxygen vacancy of the material. The Co-doped sample obtained by pyrolysis at 500 degrees C has excellent gas sensing performances to ethanol gas, its sensitivity to 100 ppm ethanol gas at 210 degrees C is 14.6, response/recovery time is 21 s and 107 s, and the sensing selectivity to ethanol is also good.
Keyword ：
Co-doped Co-doped Ethanol sensitive Ethanol sensitive Hollow hexagonal cylinder Hollow hexagonal cylinder In2O3 In2O3 MOF MOF
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| GB/T 7714 | Yong, Peng , Wang, Sheng , Zhang, Xu et al. MOFs-derived Co-doped In2O3 hollow hexagonal cylinder for selective detection of ethanol [J]. | CHEMICAL PHYSICS LETTERS , 2022 , 795 . |
| MLA | Yong, Peng et al. "MOFs-derived Co-doped In2O3 hollow hexagonal cylinder for selective detection of ethanol" . | CHEMICAL PHYSICS LETTERS 795 (2022) . |
| APA | Yong, Peng , Wang, Sheng , Zhang, Xu , Pan, Haibo , Shen, Shuifa . MOFs-derived Co-doped In2O3 hollow hexagonal cylinder for selective detection of ethanol . | CHEMICAL PHYSICS LETTERS , 2022 , 795 . |
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Due to the multiclass complex processes in the oxygen evolution reaction (OER) by Ni-based double hydroxides (DHs) electrocatalysts, it is necessary to seek a comprehensive assessment to uncover the electrochemical nat-ure. Here, Ni0.8M0.2 DHs and Ni0.7M0.3 DHs nanowires (M = Zn, Co, Fe, Cu) were prepared by a hydrothermal method. As the intrinsic chemical property, metal ion electronegativity (MIE) as the descriptor, the struc-ture-activity relationship between MIE and OER reaction intermediates' adsorption and desorption capacity was researched by the electrochemical impedance analysis. At the top of the volcano trend (MIE = 1.39, Ni0.8Co0.2 DHs), it is screened and exhibits the lowest interfacial charge transfer resistance and the adsorption and desorption resistance of intermediates. This work provides a cost-effective method based on the theory of electronegativity equilibrium for the precise screening and design of high-active OER electrocatalysts.
Keyword ：
Descriptor Descriptor Double hydroxides Double hydroxides Electronegativity Electronegativity Oxygen evolution reaction Oxygen evolution reaction
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| GB/T 7714 | Ying, Meihui , Liu, Yongguan , Lin, Xing et al. Average metal ion electronegativity as a general descriptor for screening Ni-based double hydroxides with high electrocatalytic water oxidation activity [J]. | JOURNAL OF ELECTROANALYTICAL CHEMISTRY , 2022 , 925 . |
| MLA | Ying, Meihui et al. "Average metal ion electronegativity as a general descriptor for screening Ni-based double hydroxides with high electrocatalytic water oxidation activity" . | JOURNAL OF ELECTROANALYTICAL CHEMISTRY 925 (2022) . |
| APA | Ying, Meihui , Liu, Yongguan , Lin, Xing , Ye, Huiling , Pan, Haibo , Du, Min . Average metal ion electronegativity as a general descriptor for screening Ni-based double hydroxides with high electrocatalytic water oxidation activity . | JOURNAL OF ELECTROANALYTICAL CHEMISTRY , 2022 , 925 . |
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An electrochemical sensor based on loading molecularly imprinted polymers (MIP) on the material surface can improve the specificity towards the object. In this work, a T-shaped PbTiO3 with a high active-exposed (110) facet was prepared by a hydrothermal process. Then, Ag nanoparticles (Ag NPs) modified T-shaped PbTiO3 was obtained by in-situ photocatalytic reduced method under UV irradiation, where a hetero-junction was formed with a well lattice matching between the (111) facet of Ag-0 and the (110) facet of PbTiO3. A MIPs modified by Ag nanoparticles (NPs)/PbTiO3 (MAP) electrodes was prepared via electro polymerization process by o-Phenylenediamine (o-PD) in the presence of the template molecule, bovine hemoglobin (BHb), i.e., the detected molecule. The response peak current and concentration of BHb is demonstrated with a good linear relationship in the range of 0.00294-0.41 nM (R-2 =0.98), and the detection limit at 0.23 pM (S/N = 3). A heterojunction between Ag NPs and high- active facet of PbTiO3 is beneficial to oxidizing electroactive material ([Fe (CN)(6)](3-/4-)), generating more BHb-imprinting cavities on the modified electrode and improving the sensitivity of sensor. The electrochemical sensor is with a simple, stable structure and high sensitivity to BHb detection. Furthermore, the sensor was successfully applied to detect BHb in the bovine serum samples.
Keyword ：
Bovine hemoglobin Bovine hemoglobin Lead titanate Lead titanate Molecularly imprinted electrochemical sensor Molecularly imprinted electrochemical sensor Photocatalytic reduction Photocatalytic reduction Specificity Specificity
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| GB/T 7714 | Yea, Huiling , Liu, Yongguan , Xie, Wenqiang et al. Ag nanoparticles/PbTiO3 with in-situ photocatalytic process and its application in an ultra-sensitive molecularly imprinted hemoglobin detection [J]. | COLLOIDS AND SURFACES B-BIOINTERFACES , 2022 , 217 . |
| MLA | Yea, Huiling et al. "Ag nanoparticles/PbTiO3 with in-situ photocatalytic process and its application in an ultra-sensitive molecularly imprinted hemoglobin detection" . | COLLOIDS AND SURFACES B-BIOINTERFACES 217 (2022) . |
| APA | Yea, Huiling , Liu, Yongguan , Xie, Wenqiang , Lin, Xing , Pan, Haibo . Ag nanoparticles/PbTiO3 with in-situ photocatalytic process and its application in an ultra-sensitive molecularly imprinted hemoglobin detection . | COLLOIDS AND SURFACES B-BIOINTERFACES , 2022 , 217 . |
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On-site quantitative detection provides the opportunity for accurate and timely health care, clinical diagnosis, environmental monitoring, and food analysis. A variety of portable electrochemical detection instruments have been developed at present for on-site quantitative detection use, including commercially available portable potentiostats, but the reality is that these electrochemical detection devices still have the problem of narrow output voltage range and detection current range, and their performance of output voltage resolution and detection current resolution is still unsatisfactory. The narrow voltage or current range makes it difficult for some chemical reactions with peaks outside the range to proceed, and the insufficiency of voltage resolution and detection current resolution are key parameters restricting the detection accuracy of existing devices. In this regard, it is urgent to carry out partial transformation of the existing device to increase the use range and detection accuracy of the device. In the current work, a smartphone-based electrochemical on-site quantitative detection device was developed. The device comprises a portable small potentiostat, a smartphone equipped with a specially designed Android electrochemical detection application, and a disposable sensor (NiONP modified screen-printed electrode [SPE]). The potentiostat can realize electrochemical detection methods, including cyclic voltammetry, chronoamperometry, and differential pulse voltammetry. In addition, the potentiostat can output a potential range -2.047 similar to+2.047 V with a current detection sensitivity scale 1x10(-8)similar to 1x10(-3) A, and the current detection range could reach +/- 10 nA similar to +/- 10 mA. Most importantly, the current detection resolution of the potentiostat can reach 0.003 % (3.125 pA on +/- 10 nA range). The smartphone was used for communicating with the potentiostat, setting detection parameters, and mapping voltammograms in real time. The SPE was modified with nickel oxide nanoparticles and perfluorinated resin solution, which were employed as sensors to convert and amplify the electrochemical current response during the on-site quantitative detection. Results indicated that the device features excellent performance for the lactate detection. The device covered a linear range 0.1 similar to 30 mM on lactate detection with the correlation coefficient (R-2) reaching 0.997.
Keyword ：
Cyclic voltammetry Cyclic voltammetry Nonenzyme Nonenzyme Portable potentiostat Portable potentiostat Screen-printed electrode Screen-printed electrode Smartphone Smartphone
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| GB/T 7714 | Zhang, Xiaotao , Wei, Yi , Wu, Huihuang et al. Smartphone-based Electrochemical On-site Quantitative Detection Device for Nonenzyme Lactate Detection [J]. | ELECTROANALYSIS , 2022 , 34 (9) : 1411-1421 . |
| MLA | Zhang, Xiaotao et al. "Smartphone-based Electrochemical On-site Quantitative Detection Device for Nonenzyme Lactate Detection" . | ELECTROANALYSIS 34 . 9 (2022) : 1411-1421 . |
| APA | Zhang, Xiaotao , Wei, Yi , Wu, Huihuang , Yan, Hongli , Liu, Yiming , Vasic, Zeljka Lucev et al. Smartphone-based Electrochemical On-site Quantitative Detection Device for Nonenzyme Lactate Detection . | ELECTROANALYSIS , 2022 , 34 (9) , 1411-1421 . |
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Effective design of photocatalysts is an effective method to improve the separation of photogenerated carriers, which improves the photocatalytic performance of photocatalysts. In this work, CoCu-ZIF materials with bimetallic structure were synthesized at room temperature for efficient photocatalytic fuel denitrification. The properties and structures of CoCu-ZIF photocatalysts can be effectively controlled by adjusting the molar ratio of cobalt to copper. The as-prepared CoCu-ZIF photocatalysts were characterized by XRD, FT-IR, SEM, TEM, UV-vis, Raman, BET and other techniques. The photoactivity of CoCu-ZIF for the denitrogenation of NCCs has been evaluated using visible light (lambda >= 420 nm). The results indicate that Co8Cu2-ZIF photocatalysts exhibit excellent photocatalytic properties, in which the denitrification rate almost reached 80% after 4 hours under visible light irradiation, which is higher than the degradation ability of ZIF-67 (38%). Transient photoelectrochemical experiments and EIS Nyquist plots indicate that Co8Cu2-ZIF with unique structure efficiently improves the separation and transfer of photogenerated electron-hole pairs. Moreover, a possible reaction mechanism was proposed by LC-MS analysis.
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| GB/T 7714 | Lu, Yi , Pan, Haibo , Lai, Jiafeng et al. Bimetallic CoCu-ZIF material for efficient visible light photocatalytic fuel denitrification [J]. | RSC ADVANCES , 2022 , 12 (20) : 12702-12709 . |
| MLA | Lu, Yi et al. "Bimetallic CoCu-ZIF material for efficient visible light photocatalytic fuel denitrification" . | RSC ADVANCES 12 . 20 (2022) : 12702-12709 . |
| APA | Lu, Yi , Pan, Haibo , Lai, Jiafeng , Xia, Yuzhou , Chen, Lu , Liang, Ruowen et al. Bimetallic CoCu-ZIF material for efficient visible light photocatalytic fuel denitrification . | RSC ADVANCES , 2022 , 12 (20) , 12702-12709 . |
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