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学者姓名：黄彩进
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本发明公开了一种富含硫空位的镍包裹硫锰镉等离子体复合光催化剂的制备方法及应用。该复合光催化剂以富含硫空位的Mn0.3Cd0.7S纳米棒为载体，在乙醇溶液中，通过原位光沉积的方法，负载无定型的Ni纳米层，得到Ni/Mn0.3Cd0.7S等离子体复合光催化剂。本发明引入的Ni层具有表面等离子共振效应，能够扩大光吸收，为光催化产氢反应提供大量热电子。且硫空位的引入能够降低Ni与Mn0.3Cd0.7S的肖特基势垒，进一步促进光生电子的迁移。所得复合材料与单纯Mn0.3Cd0.7S相比，光催化分解水产氢性能显著提高，且能够在人工海水中抑制盐离子的腐蚀，在海水中表现出优于纯水的催化活性。
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| GB/T 7714 | 黄彩进 , 程楚楚 . 一种富含硫空位的镍包裹硫锰镉等离子体光催化剂及其制备方法和应用 : CN202210331521.X[P]. | 2022-03-31 00:00:00 . |
| MLA | 黄彩进 等. "一种富含硫空位的镍包裹硫锰镉等离子体光催化剂及其制备方法和应用" : CN202210331521.X. | 2022-03-31 00:00:00 . |
| APA | 黄彩进 , 程楚楚 . 一种富含硫空位的镍包裹硫锰镉等离子体光催化剂及其制备方法和应用 : CN202210331521.X. | 2022-03-31 00:00:00 . |
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本发明公开了一种三氟乙酸改性硅表面TFA‑Si光催化剂及其制备方法和应用。该光催化剂以二氧化硅作为前驱体，通过低温镁热还原过程，经由HCl酸洗和三氟乙酸酸浸，在硅材料表面进行吸附有机氟三氟乙酸，得到TFA‑Si光催化剂。本发明引入的三氟乙酸具有强电负性，能够有效吸收光生电子，减少电子空穴的复合，从而提高光催化活性。且三氟乙酸循环吸附在硅表面，能够保护Si–OH不被氧化成SiO2，进而降低硅表面SiO2的生成速率，进一步提高了光催化剂的产氢稳定性。所得处理材料与单纯硅相比，光催化分解水产氢性能显著提高，且能够在纯水条件下表现出优异的产氢稳定性。重要的是，避免使用有毒的HF具有长期的生态意义。
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| GB/T 7714 | 黄彩进 , 邵娟 . 一种三氟乙酸改性硅表面TFA-Si光催化剂及其制备方法和应用 : CN202210480871.2[P]. | 2022-05-05 00:00:00 . |
| MLA | 黄彩进 等. "一种三氟乙酸改性硅表面TFA-Si光催化剂及其制备方法和应用" : CN202210480871.2. | 2022-05-05 00:00:00 . |
| APA | 黄彩进 , 邵娟 . 一种三氟乙酸改性硅表面TFA-Si光催化剂及其制备方法和应用 : CN202210480871.2. | 2022-05-05 00:00:00 . |
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本发明公开了一种无模板法合成氮化硼基碗状泡沫材料的方法, 属于氮化硼材料制备技术领域。该材料以混合凝胶状态的硼酸和磷酸氢二铵作为前驱物，通过氨气气氛下高温退火处理，制备出氮化硼/磷酸硼碗状泡沫材料。该材料呈现宏观泡沫形态，具有纳米到毫米级的多级孔分布。
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| GB/T 7714 | 黄彩进 , 于辉 , 刘秋文 . 一种氮化硼基碗状泡沫材料及其制备方法 : CN202210197565.8[P]. | 2022-03-02 00:00:00 . |
| MLA | 黄彩进 等. "一种氮化硼基碗状泡沫材料及其制备方法" : CN202210197565.8. | 2022-03-02 00:00:00 . |
| APA | 黄彩进 , 于辉 , 刘秋文 . 一种氮化硼基碗状泡沫材料及其制备方法 : CN202210197565.8. | 2022-03-02 00:00:00 . |
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The evolution of the early atmosphere was driven by changes in its chemical composition, which involved the formation of some critical gases. In this study, we demonstrate that nitrous oxide (N2O) can be produced from Miller's early atmosphere (a mixture of CH4, NH3, H-2, and H2O) by way of photocatalysis. Both NH3 and H2O were indispensable for the production of N2O by photocatalysis. Different conditions related to seawater and reaction temperature are also explored. N2O has a strong greenhouse gas effect, which is more able to warm the Earth than other gases and offers a reasonable explanation for the faint young Sun paradox on the early Earth. Moreover, the decomposition of N2O into N-2 and O-2 can be boosted by soft irradiation, providing a possible and important origin of atmospheric O-2 and N-2. The occurrence of O-2 propelled the evolution of the atmosphere from being fundamentally reducing to oxidizing. This work describes a possible vital contribution of photocatalysis to the evolution of the early atmosphere.
Keyword ：
early earth early earth faint young sun paradox faint young sun paradox nitrous oxide nitrous oxide origin of O-2 origin of O-2 photocatalysis photocatalysis
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| GB/T 7714 | Cheng, Chuchu , Xu, Fangjie , Shi, Wenwen et al. Photocatalysis: A Possible Vital Contributor to the Evolution of the Prebiotic Atmosphere and the Warming of the Early Earth [J]. | CATALYSTS , 2023 , 13 (9) . |
| MLA | Cheng, Chuchu et al. "Photocatalysis: A Possible Vital Contributor to the Evolution of the Prebiotic Atmosphere and the Warming of the Early Earth" . | CATALYSTS 13 . 9 (2023) . |
| APA | Cheng, Chuchu , Xu, Fangjie , Shi, Wenwen , Wang, Qiaoyun , Huang, Caijin . Photocatalysis: A Possible Vital Contributor to the Evolution of the Prebiotic Atmosphere and the Warming of the Early Earth . | CATALYSTS , 2023 , 13 (9) . |
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Coal is a readily available and inexpensive material. However, its direct use as a catalyst is still rare, but attractive for practical application. In this paper, coal was directly used as a catalyst for the selective oxidative dehydrogenation of propane to propene. It exhibited a high selectivity over 90% with a yield of 8.4% at a high space velocity (12,000 mL center dot(h center dot g-cat)(-1)). The productivity up to 2.84 gC(3)H(6) g(cat)(-1) h(-1) was obtained with propene selectivity above 80% (20,000 mL center dot(h center dot g-cat)(-1)). The kinetic showed first-order dependence with respect to propane or oxygen partial pressures. Meanwhile, electron paramagnetic resonance (EPR) and X-ray photoelectron spectrum (XPS) demonstrated that the carbonyl groups act as active sites for oxidative dehydrogenation of propane to propene. This work expands the use of earth-abundant and low-price coal in catalysis with expectable scale application.
Keyword ：
catalysis catalysis coal coal kinetics kinetics oxidative dehydrogenation oxidative dehydrogenation propane propane propene propene
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| GB/T 7714 | Liu, Qiuwen , Zhang, Yuhua , Wu, Yawei et al. Coal as an Effective Catalyst for Selective Oxidative Dehydrogenation of Propane to Propene [J]. | CATALYSTS , 2023 , 13 (3) . |
| MLA | Liu, Qiuwen et al. "Coal as an Effective Catalyst for Selective Oxidative Dehydrogenation of Propane to Propene" . | CATALYSTS 13 . 3 (2023) . |
| APA | Liu, Qiuwen , Zhang, Yuhua , Wu, Yawei , Song, Mingxia , Huang, Caijin . Coal as an Effective Catalyst for Selective Oxidative Dehydrogenation of Propane to Propene . | CATALYSTS , 2023 , 13 (3) . |
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Tuning surface termination can improve the carrier dynamics and photoredox performance of photocatalysts by modifying the surface physicochemical properties. Herein, we prepared a Si photocatalyst by magnesium-thermal reduction and then treated it with trifluoroacetic acid (TFA). The as-obtained TFA-terminated Si photocatalyst (TFA-Si) improves double-layer capacitance and electrochemical/Brunauer-Emmet-Teller surface area, rendering more active sites. Moreover, the TFA modification causes an increase in wettability, charge carrier density, and photocurrent and a reduction in electrochemical impedance and overpotential, which enhances the adsorption/reduction of water molecules and the photoexcited-carrier dynamics for photocatalysis. TFA-Si shows high photocatalytic H2 evolution activity (1827 mu mol center dot g-1 center dot h-1) in pure water under visible light. The AQY of TFA-Si reached 6.1% at 400 nm. Interestingly, TFA molecules promote the oxidation capacity of Si photocatalysts for water oxidation through a hole transfer pathway, boosting its activity and stability. This work broadens the applications of Si-based materials for use in photocatalysis.
Keyword ：
hydrogen production hydrogen production photocatalysis photocatalysis silicon silicon stability stability TFA TFA
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| GB/T 7714 | Shao, Juan , Cheng, Chuchu , Xing, Fangshu et al. Surface Termination Tuning Photoexcited-Carrier Dynamics and Carrier Transfer Pathway on Silicon for High-Performance Photocatalytic H2 Evolution from Pure Water [J]. | ACS APPLIED ENERGY MATERIALS , 2023 , 6 (2) : 1056-1065 . |
| MLA | Shao, Juan et al. "Surface Termination Tuning Photoexcited-Carrier Dynamics and Carrier Transfer Pathway on Silicon for High-Performance Photocatalytic H2 Evolution from Pure Water" . | ACS APPLIED ENERGY MATERIALS 6 . 2 (2023) : 1056-1065 . |
| APA | Shao, Juan , Cheng, Chuchu , Xing, Fangshu , Shi, Wenwen , Tang, Jing , Li, Ze et al. Surface Termination Tuning Photoexcited-Carrier Dynamics and Carrier Transfer Pathway on Silicon for High-Performance Photocatalytic H2 Evolution from Pure Water . | ACS APPLIED ENERGY MATERIALS , 2023 , 6 (2) , 1056-1065 . |
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Photocatalysis offers a green and promising strategy for light-driven pollutant degradation to address water pollution. Yet, challenges in conversion efficiency and cost-efficiency propel the search for effective metal-free photocatalysts. Here, we employ a ball milling technique using organic solvent molecules to enhance the exfoliation of g-C3N4 nanosheets. Incorporating tetrahydrofuran, with its distinctive five-membered monooxygenase ring structure, endows exfoliated CN nanosheets (TCN) with remarkable electron-donating capabilities, expanding specific surface area and active sites, essential for intricate photocatalytic reactions. Comparative assessments unequivocally establish TCN's superiority, revealing a remarkable 3.6-fold enhancement in RhB dye degradation and a remarkable 99.7 % removal efficiency. TCN demonstrates rapid, complete reduction of heavy metal ions (Cr6+) under natural sunlight within 10 min and exhibits a significant 2.3-fold antibiotic degradation enhancement over pristine CN. This pioneering work unveils the mechanisms behind TCN's superior photocatalytic performance, offering insights into designing advanced photocatalysts for crucial water purification applications.
Keyword ：
Environmental remediation Environmental remediation Exfoliation Exfoliation Graphitic carbon nitride nanosheets Graphitic carbon nitride nanosheets Organic solvent functionalization Organic solvent functionalization Photoredox Photoredox
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| GB/T 7714 | Guo, Chan , Lei, Jian , Geng, Wenjing et al. Efficient pollutant removal using tetrahydrofuran functionalized carbon nitride nanosheets with enhanced photocatalytic performance [J]. | APPLIED SURFACE SCIENCE , 2023 , 649 . |
| MLA | Guo, Chan et al. "Efficient pollutant removal using tetrahydrofuran functionalized carbon nitride nanosheets with enhanced photocatalytic performance" . | APPLIED SURFACE SCIENCE 649 (2023) . |
| APA | Guo, Chan , Lei, Jian , Geng, Wenjing , Lin, Jiayao , Meng, Sugang , Ye, Sheng et al. Efficient pollutant removal using tetrahydrofuran functionalized carbon nitride nanosheets with enhanced photocatalytic performance . | APPLIED SURFACE SCIENCE , 2023 , 649 . |
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Semiconductor heterostructures effectively promote thetransferand separation of interfacial photoinduced charges for the photocatalyticprocess. Herein, we constructed a direct Z-scheme SnSe2/CdS heterojunction photocatalyst. N-type SnSe2 semiconductorsare suitable candidate materials for oxidation half-reactions in Z-schemeheterojunctions. The intimate atomic-level interfacial contact throughCd-Se bonds provides a better interfacial charge transportchannel for the photoinduced charges. Moreover, the transient Sn4+/Sn-0 centers caused by the photoredox processboost the interfacial charge transport/separation at the interface.Besides, the presence of S vacancies acting as electron enrichmentcenters further enhances the redox ability for hydrogen production.Therefore, the SnSe2/CdS heterostructure showed a superiorvisible-light photocatalytic H-2-production activity of13.6 mmol & BULL;g(-1)& BULL;h(-1) usingascorbic acid as a sacrificial agent, which is 9.7 times higher thanthat of pristine CdS. The apparent quantum yield reaches 10.5% at & lambda; = 420 nm. This work provides a useful way to improve chargetransfer in the Z-scheme heterojunction photocatalyst for hydrogenproduction.
Keyword ：
Cd-Sebond Cd-Sebond directZ-scheme system directZ-scheme system H-2 production H-2 production photocatalysis photocatalysis SnSe2 SnSe2 transient metal centers transient metal centers
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| GB/T 7714 | Zhang, Yuhua , Cheng, Chuchu , Xing, Fangshu et al. Transient Metal Centers at the Covalent Heterointerface Favor Photocatalytic Hydrogen Evolution [J]. | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (26) : 31364-31374 . |
| MLA | Zhang, Yuhua et al. "Transient Metal Centers at the Covalent Heterointerface Favor Photocatalytic Hydrogen Evolution" . | ACS APPLIED MATERIALS & INTERFACES 15 . 26 (2023) : 31364-31374 . |
| APA | Zhang, Yuhua , Cheng, Chuchu , Xing, Fangshu , Li, Ze , Huang, Caijin . Transient Metal Centers at the Covalent Heterointerface Favor Photocatalytic Hydrogen Evolution . | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (26) , 31364-31374 . |
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It is very essential to grow efficient and abundant photocatalysts for overall water cracking to produce hydrogen. Ni3FeN nanosheets were synthesized by combining simple sol-gel and calcining methods using urea as nitrogen source. A heterostructure was constructed between Ni3FeN and g-C3N4 to enhance the absorption capacity of visible light. The reformed Z-scheme Ni3FeN/g-C3N4 heterojunction exhibited an excellent visible-light photocatalytic activity. The average hydrogen evolution rate of 5 wt% Ni3FeN/g-C3N4 composite is 528.7 mu mol h(-1) g(-1) due to the Z-scheme Ni3FeN/g-C3N4 junction, which promotes the separation of photogenerated e(-)/h(+). Interestingly, the average H-2 production of Ni3FeN/g-C3N4 is nearly 8.3 and 3.6 times higher than that of Fe4N/g-C3N4 and Ni4N/g-C3N4, respectively, indicating that bimetallic nitrides as cocatalysts are more conducive to enhancing the performance of photocatalysts. Importantly, the Ni3FeN/g-C3N4 composite exhibited good cycle stability, and the hydrogen production performance hardly changed after four cycle experiments. Furthermore, photoluminescence, electrochemical impedance spectroscopy, and transient photocurrent response show that Ni3FeN/g-C3N4 heterojunction improves the separation efficiency of photoinduced e(-)/h(+). This work provides a feasibility of the cocatalyst Ni3FeN for use in photocatalytic hydrogen production.
Keyword ：
bimetallic nitride bimetallic nitride cocatalyst cocatalyst heterojunction heterojunction photocatalytic hydrogen manufacturing photocatalytic hydrogen manufacturing visible light visible light
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| GB/T 7714 | Wang, Qiaoyun , Tuerxun, Nasiman , Xiao, Lu et al. Visible-light-driven Ni3FeN/g-C3N4 Z-scheme heterostructure for remarkable photocatalytic water splitting [J]. | JOURNAL OF THE AMERICAN CERAMIC SOCIETY , 2023 , 106 (6) : 3537-3549 . |
| MLA | Wang, Qiaoyun et al. "Visible-light-driven Ni3FeN/g-C3N4 Z-scheme heterostructure for remarkable photocatalytic water splitting" . | JOURNAL OF THE AMERICAN CERAMIC SOCIETY 106 . 6 (2023) : 3537-3549 . |
| APA | Wang, Qiaoyun , Tuerxun, Nasiman , Xiao, Lu , Wang, Yu , Huang, Caijin , Du, Hong . Visible-light-driven Ni3FeN/g-C3N4 Z-scheme heterostructure for remarkable photocatalytic water splitting . | JOURNAL OF THE AMERICAN CERAMIC SOCIETY , 2023 , 106 (6) , 3537-3549 . |
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Bowl-like structures have great potential in the field of catalysis, environmental remediation, energy storage, etc., because of the large surface area, porous structure, and buffer hollow space. Herein, we developed a unique approach to control the opening direction of bowl-like structures via self-assembly strategy at the gas/liquid interface of liquid B2O3 environment foam. BN@BPO4 self-supporting monolithic foam with oriented bowl-like structure was obtained, which is built by numerous oriented bowl-like blocks and shows a double layer structure with face-to-face opening. The opening size can be adjusted by changing the amount of Cu(NO3)2 additives that is beneficial for the production of hexagonal boron nitride (h-BN). We believe the as-generated h-BN can enhance the gas trapping capacity of liquid B2O3 environment foam to precisely control pressure differential between large and small bubbles and thus favors the oriented opening of bowl-like structure. Further, pure h-BN monolithic foam with oriented bowl-like structure prepared at higher temperature possessed multimodal hier-archically porous structure and excellent performance in the catalytic oxidative dehydrogenation of propane into propene and the removal of organic pollutants. This work provides an extended assembly interface strategy of oriented bowl-like structure materials for different applications.
Keyword ：
Boron nitride Boron nitride Extended assembly interface Extended assembly interface Monolithic foam Monolithic foam Oriented bowl Oriented bowl Oxidative dehydrogenation Oxidative dehydrogenation Pollutant removal Pollutant removal
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| GB/T 7714 | Liu, Qiuwen , Yu, Hui , Liu, Qiang et al. Monolithic foam of oriented boron nitride bowl for selective oxidative dehydrogenation of propane and pollutant removal [J]. | APPLIED SURFACE SCIENCE , 2023 , 619 . |
| MLA | Liu, Qiuwen et al. "Monolithic foam of oriented boron nitride bowl for selective oxidative dehydrogenation of propane and pollutant removal" . | APPLIED SURFACE SCIENCE 619 (2023) . |
| APA | Liu, Qiuwen , Yu, Hui , Liu, Qiang , Zhang, Yibo , Qiu, Huibin , Huang, Caijin . Monolithic foam of oriented boron nitride bowl for selective oxidative dehydrogenation of propane and pollutant removal . | APPLIED SURFACE SCIENCE , 2023 , 619 . |
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