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学者姓名:冯亚南

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Hydrogen bonding evolution and efficient blue light emission in a series of Zn-based organic-inorganic hybrid metal halide crystals SCIE
期刊论文 | 2025 , 68 (4) , 1004-1011 | SCIENCE CHINA-MATERIALS
WoS CC Cited Count: 1
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Abstract :

The influence of hydrogen bonding on spectroscopic properties is one of the fundamental issues in the field of luminescent organic-inorganic hybrid metal halides (OIMHs). We design and prepare three OIMHs, namely, crystals 1, 2 and 3, using 2,2 '-bipyridine and ZnCl2 as starting materials. From crystals 1 to 3, the hydrogen bonding environment surrounding the 2,2 '-bipyridinium cations gradually weakens, with both the dihedral angle and the number of hydrogen bonds around them decreasing progressively. Correspondingly, the blue emission belonging to the S1 -> S0 transition of the three crystals gradually increases, with crystal 3 exhibiting the strongest blue light emission and a photo-luminescence quantum yield reaching 34.10%. In crystal 1, the dense hydrogen bonding environment of the 2,2 '-bipyridinium cation results in an obvious energy transfer from S1 to T1. This reduces the population of the S1 state, thereby leading to weaker blue light emission. In crystals 2 and 3, the weaker hydrogen bonding environment and smaller spatial distortion of organic cations weaken or even prevent energy transfer between S1 and T1, thereby enhancing blue light emission. These findings provide new insights for exploring novel luminescent OIMHs and developing more effective means of regulating their luminescence performance. (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)-(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(OIMHs)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)2,2 '-(sic)(sic)(sic)(sic)ZnCl2(sic)(sic)(sic), (sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)OIMH, (sic)(sic)(sic)1,2(sic)3. (sic)(sic)(sic)1(sic)(sic)(sic)3, 2,2 '-(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic). (sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)S1 -> S0(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)3 (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)34.10%. (sic)(sic)(sic)1(sic), 2,2 '-(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)S1(sic)T1(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic) (sic)(sic)S1(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)(sic)2(sic)3(sic), (sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)S1(sic)T1(sic)(sic)(sic) (sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)OIMHs(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic).

Keyword :

blue emission blue emission hydrogen bonding hydrogen bonding optical materials optical materials organic-inorganic hybrid metal halides organic-inorganic hybrid metal halides photoluminescence photoluminescence

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GB/T 7714 Zhang, Qi , Huang, Tianwen , Liu, Zheyuan et al. Hydrogen bonding evolution and efficient blue light emission in a series of Zn-based organic-inorganic hybrid metal halide crystals [J]. | SCIENCE CHINA-MATERIALS , 2025 , 68 (4) : 1004-1011 .
MLA Zhang, Qi et al. "Hydrogen bonding evolution and efficient blue light emission in a series of Zn-based organic-inorganic hybrid metal halide crystals" . | SCIENCE CHINA-MATERIALS 68 . 4 (2025) : 1004-1011 .
APA Zhang, Qi , Huang, Tianwen , Liu, Zheyuan , Feng, Ya-Nan , Yu, Yan , Li, Lingyun . Hydrogen bonding evolution and efficient blue light emission in a series of Zn-based organic-inorganic hybrid metal halide crystals . | SCIENCE CHINA-MATERIALS , 2025 , 68 (4) , 1004-1011 .
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Mechanical properties and aging resistance of calcia-yttria co-stabilized zirconia: from powder to ceramic EI
期刊论文 | 2025 , 51 (13) , 17368-17378 | Ceramics International
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Abstract :

In this study, divalent calcium cation with large radius and trivalent yttrium cation with small radius were introduced to develop co-stabilized zirconia ceramics with both superior mechanical properties and aging resistance. Through a reverse coprecipitation-hydrothermal method, a series of ultrafine xCaO-yY2O3-ZrO2 (x = 2.0, 3.0, y = 0.5, 1.0, 1.5, 2.0) raw powders with high quality were fabricated for the production of nanostructured ceramics via low-temperature pressurelessly sintering. The sintering process was optimized by investigating the effects of sintering temperature on densification, grain growth and phase evolution. The minimally doped 2.0CaO-0.5Y2O3-ZrO2 ceramic retained pure tetragonal phase at room temperature, achieving a balance of excellent toughness and high aging resistance. The impacts of chemical composition on microstructure, hardness, toughness and aging resistance were examined for these xCaO-yY2O3-ZrO2 (x = 2.0, 3.0, y = 0.5, 1.0, 1.5, 2.0) ceramics. The segregation of calcium and yttrium cations at grain boundaries effectively tailored the microstructure. It was observed that substituting small trivalent yttrium cations for large divalent calcium cations effectively enhanced the aging resistance without sacrificing mechanical properties, due to the strengthened grain boundaries and asymmetrical distribution of cations among grains. This work not only produces low-doped zirconia ceramics with both excellent mechanical properties and aging resistance, but also presents straightforward method for preparation of high-quality raw powders and delicate microstructural engineering during sintering for developing advanced structural ceramics. © 2025 Elsevier Ltd and Techna Group S.r.l.

Keyword :

Ceramic materials Ceramic materials Grain growth Grain growth High temperature engineering High temperature engineering Low temperature production Low temperature production Microstructural evolution Microstructural evolution Powders Powders Rockwell hardness Rockwell hardness Sintering Sintering Yttria stabilized zirconia Yttria stabilized zirconia Yttrium Yttrium Yttrium metallography Yttrium metallography

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GB/T 7714 Feng, Ya-Nan , Wang, Fei-Fan , Xiao, Weiwei et al. Mechanical properties and aging resistance of calcia-yttria co-stabilized zirconia: from powder to ceramic [J]. | Ceramics International , 2025 , 51 (13) : 17368-17378 .
MLA Feng, Ya-Nan et al. "Mechanical properties and aging resistance of calcia-yttria co-stabilized zirconia: from powder to ceramic" . | Ceramics International 51 . 13 (2025) : 17368-17378 .
APA Feng, Ya-Nan , Wang, Fei-Fan , Xiao, Weiwei , Xia, Yan , Wei, Bin , Wang, Shuaihua et al. Mechanical properties and aging resistance of calcia-yttria co-stabilized zirconia: from powder to ceramic . | Ceramics International , 2025 , 51 (13) , 17368-17378 .
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Tailoring the π-π stacking interaction among organic cations in hybrid metal halide crystals towards tunable light emission SCIE
期刊论文 | 2024 , 12 (19) , 7053-7061 | JOURNAL OF MATERIALS CHEMISTRY C
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Abstract :

As an important interaction among organic cations containing aromatic rings, the pi-pi stacking interaction is a crucial factor determining the crystal structure of organic-inorganic hybrid metal halides (OIMHs). However, the relationship between pi-pi interaction and optical properties of luminescent OIMHs is yet to be studied. (C10H10N2)Cd1-xZnxCl4 (23-Cd1-xZnxCl4) crystals with 0D structures are synthesized by using optically active 2,3 '-bipyridine as the organic ligand. When x <= 0.2, there is no pi-pi interaction among 2,3 '-bipyridinium cations in 23-Cd1-xZnxCl4 crystals. When x > 0.2, pi-pi interaction among organic cations occurs and enhances as the Zn2+ content increases. The tailoring of the pi-pi interaction endows 23-Cd1-xZnxCl4 with tunable light emitting properties, resulting in a broad band emission involving blue and orange species. The blue emission dominates when there is no pi-pi interaction, while the orange emission enhances and finally becomes dominant as the strength of pi-pi interaction increases. The pi-pi interaction promotes the energy transfer from the higher energy valley to the lower one of the S-1 state of the organic cation, resulting in the enhancement of orange emission. Notably, the 23-ZnCl crystal exhibits a photo-luminescence quantum yield (PLQY) of 32%. This is the highest reported value to date among the Zn-based OIMHs, which have optical emission originating from the organic component. The mechanism of pi-pi stacking induced tunable light emission revealed in our work provides new guidance for the design of luminescent OIMHs.

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GB/T 7714 Zhang, Qi , Lin, Xinyi , Guo, Shanji et al. Tailoring the π-π stacking interaction among organic cations in hybrid metal halide crystals towards tunable light emission [J]. | JOURNAL OF MATERIALS CHEMISTRY C , 2024 , 12 (19) : 7053-7061 .
MLA Zhang, Qi et al. "Tailoring the π-π stacking interaction among organic cations in hybrid metal halide crystals towards tunable light emission" . | JOURNAL OF MATERIALS CHEMISTRY C 12 . 19 (2024) : 7053-7061 .
APA Zhang, Qi , Lin, Xinyi , Guo, Shanji , Zhang, Yaqing , Jiang, Yan , Zhang, Wei et al. Tailoring the π-π stacking interaction among organic cations in hybrid metal halide crystals towards tunable light emission . | JOURNAL OF MATERIALS CHEMISTRY C , 2024 , 12 (19) , 7053-7061 .
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Antimony Doped Hybrid Zinc Halide Crystals with Tunable Light Emission and Long-Term Stability SCIE
期刊论文 | 2024 , 12 (12) | ADVANCED OPTICAL MATERIALS
WoS CC Cited Count: 4
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Abstract :

As a class of emerging photoluminescent materials, hybrid halide crystals have drawn research attention for their potential application in the fields of light-emitting, security, and waveguide. Nevertheless, hybrid halide crystals containing antimony with long-term stability and tunable light emission are still increasingly in demand. In this work, serial new hybrid halide crystals (BZA)(2)ZnCl42H(2)O:xSb(3+) (x = 0-0.2, x represents the reaction ratio) and (BZA)(2)SbCl5 are synthesized (BZA = 2,4-diamino-6-phenyl-1,3,5-triazine). In (BZA)(2)ZnCl42H(2)O:xSb(3+) crystals, Sb3+ cations replace partial Zn2+ cations to form [SbCl4](-) tetrahedron. Red light emission caused by the substitution of Sb3+ for Zn2+ enhances as the doping rate increases, resulting in the tunable emission from light blue to pink and finally to dark red. There are two kinds of Sb3+ in (BZA)(2)SbCl5 crystal. Sb(1) has a sixfold coordination with Cl to form a [Sb(1)Cl-5]infinity 1D zigzag chain. Sb(2) atom adopts a fivefold coordination with Cl and is separated from each other by BZA(+) cations. (BZA)(2)SbCl5 crystal shows bright orange-yellow light emission with a photoluminescence quantum yield of 45%. Moreover, the organic-inorganic hybrid metal halide crystals containing antimony have excellent long-term stability, with phase and luminescence keeping nearly unchanged after more than six months in ambient air.

Keyword :

hybrid halide crystals hybrid halide crystals Sb3+ Sb3+ stability stability tunable light emission tunable light emission

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GB/T 7714 Zhang, Yaqing , Jiang, Yan , Zhang, Qi et al. Antimony Doped Hybrid Zinc Halide Crystals with Tunable Light Emission and Long-Term Stability [J]. | ADVANCED OPTICAL MATERIALS , 2024 , 12 (12) .
MLA Zhang, Yaqing et al. "Antimony Doped Hybrid Zinc Halide Crystals with Tunable Light Emission and Long-Term Stability" . | ADVANCED OPTICAL MATERIALS 12 . 12 (2024) .
APA Zhang, Yaqing , Jiang, Yan , Zhang, Qi , Liu, Qingyi , Guo, Weiping , Zhang, Wei et al. Antimony Doped Hybrid Zinc Halide Crystals with Tunable Light Emission and Long-Term Stability . | ADVANCED OPTICAL MATERIALS , 2024 , 12 (12) .
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Tree-inspired semiconductor-on-ceramic 2D/1D heterostructure for efficient CO2 photoreduction SCIE
期刊论文 | 2024 , 672 | APPLIED SURFACE SCIENCE
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Two-dimension nanosheets are ideal photocatalysts for CO2 reduction due to their high exposure of active sites and short charge transfer pathway. However, 2D photocatalysts have a tendency to agglomeration, thus compromising the performance of photocatalytic CO2 reduction. Trees, one of the most important plants for photosynthesis, have a unique "leaf-on-branch" structure. This unique two-dimension/one-dimension (2D/1D) configuration maximizes the adsorption of CO2 molecules and light harvesting. Herein, a tree-inspired semiconductor-on-ceramic 2D/1D heterostructure for efficient photocatalytic CO2 reduction is reported. The cobalt silicate (CoSi) nanosheets (similar to 0.68 nm) are in situ grown on the surfaces of hydroxyapatite (HAP) nanowires, creating a well-defined 2D/1D hierarchical structure. The vertical alignment of ultrathin CoSi nanosheets on the HAP nanowires effectively suppresses their agglomeration, leading to a large BET surface area (106.45 m(2)/g) and excellent CO2 adsorption (8.00 cm(3) g(-1)). The results of photoelectrochemical characterization demonstrate that the 2D/1D hierarchical structure is powerful to expedite charge transfer. As a result, the gas generation rate of CO is as high as 28780 mu mol g(-1) h(-1) over the CoSi-on-HAP 2D/1D heterostructure. In addition, the electron transfer mechanism and reaction pathways of CO2 reduction are revealed by in situ irradiated XPS and in situ DRIFT spectra.

Keyword :

CO2 reduction CO2 reduction Heterostructure Heterostructure Hydroxyapatite nanowires Hydroxyapatite nanowires Photocatalysis Photocatalysis Silicate nanosheets Silicate nanosheets

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GB/T 7714 Hu, Yingzi , Zhu, Yan , He, Xi et al. Tree-inspired semiconductor-on-ceramic 2D/1D heterostructure for efficient CO2 photoreduction [J]. | APPLIED SURFACE SCIENCE , 2024 , 672 .
MLA Hu, Yingzi et al. "Tree-inspired semiconductor-on-ceramic 2D/1D heterostructure for efficient CO2 photoreduction" . | APPLIED SURFACE SCIENCE 672 (2024) .
APA Hu, Yingzi , Zhu, Yan , He, Xi , Feng, Ya-Nan , Chen, Fei-Fei , Yu, Yan . Tree-inspired semiconductor-on-ceramic 2D/1D heterostructure for efficient CO2 photoreduction . | APPLIED SURFACE SCIENCE , 2024 , 672 .
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Flexible and Free-Standing Metal-Organic Framework Nanowire Paper SCIE
期刊论文 | 2024 , 16 (23) , 30306-30313 | ACS APPLIED MATERIALS & INTERFACES
WoS CC Cited Count: 2
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Abstract :

Beyond traditional paper, multifunctional nanopaper has received much attention in recent years. Currently, many nanomaterials have been successfully used as building units of nanopaper. However, it remains a great challenge to prepare flexible and freestanding metal-organic framework (MOF) nanopaper owing to the low aspect ratio and brittleness of MOF nanocrystals. Herein, this work develops a flexible and free-standing MOF nanopaper with MOF nanowires as building units. The manganese-based MOF (Mn-MOF) nanowires with lengths up to 100 mu m are synthesized by a facile solvothermal method. Through a paper-making technique, the Mn-MOF nanowires interweave with each other to form a three-dimensional architecture, thus creating a flexible and free-standing Mn-MOF nanowire paper. Furthermore, the surface properties can be engineered to obtain high hydrophobicity by modifying polydimethylsiloxane (PDMS) on the surfaces of the Mn-MOF nanowire paper. The water contact angle reaches 130 degrees. As a proof of concept, this work presents two potential applications of the Mn-MOF/PDMS nanowire paper: (i) The as-prepared Mn-MOF/PDMS nanowire paper is compatible with a commercial printer. The as-printed colorful patterns are of high quality, and (ii) benefiting from the highly hydrophobic surfaces, the Mn-MOF/PDMS nanowire paper is able to efficiently separate oil from water.

Keyword :

flexible flexible free-standing free-standing metal-organic frameworks metal-organic frameworks nanopaper nanopaper nanowires nanowires

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GB/T 7714 Yang, Yong , Yang, Zhe , Zhuang, Guoxin et al. Flexible and Free-Standing Metal-Organic Framework Nanowire Paper [J]. | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (23) : 30306-30313 .
MLA Yang, Yong et al. "Flexible and Free-Standing Metal-Organic Framework Nanowire Paper" . | ACS APPLIED MATERIALS & INTERFACES 16 . 23 (2024) : 30306-30313 .
APA Yang, Yong , Yang, Zhe , Zhuang, Guoxin , Feng, Ya-Nan , Chen, Fei-Fei , Yu, Yan . Flexible and Free-Standing Metal-Organic Framework Nanowire Paper . | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (23) , 30306-30313 .
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Mimicking the active site and microenvironment of hydrogenase in a heterometallic MOF with enhancing stability and high efficiency for aerobic solar hydrogen production SCIE
期刊论文 | 2024 , 1010 | JOURNAL OF ALLOYS AND COMPOUNDS
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Abstract :

Developing efficient and robust artificial hydrogenases with sophisticated structure as catalysts is potential for practical solar hydrogen application, withstanding challenges proposed by oxygen generated in situ by water splitting. Based on Pearson's hard/soft acid/base (HSAB) theory and compartmental ligand strategy, we prepared a 3D heterometallic MOF, [Ni3Pr2(6-mna)6(H2O)4]center dot(H2O)5 (1) (6-mna = 6-mercaptonicotinate divalent anion), with alternately arranged redox-active NiS cluster-based nodes and redox-inactive PrO cluster-based nodes to mimic simultaneously both the active center and the surrounding polypeptide microenvironment in natural hydrogenase. Despite numerous negative effects caused by oxygen, with the sophisticated structure, 1 achieved both enhanced stability and efficient hydrogen producing activity of 40.3 mmol/g in air atmosphere. The influence of oxygen on photocatalytic hydrogen production was investigated by contrasting mechanisms of both photo-induced electron transferring step and chemical catalyzing step under aerobic and anerobic conditions. The reductive mechanism is promoted under anerobic conditions, whereas oxidative mechanism is favored in aerobic conditions due to the suppressed production of radical intermediate Fl3-center dot in the presence of oxygen, as evidenced by in-situ electron spin resonance spectroscopy and in-situ ultraviolet-visible absorption spectrum. This paper presents a simple method for MOFs to closely simulate both the active center and surrounding protein of biological enzymes, and offers a new pathway for developing stable and efficient catalyst for solar hydrogen production.

Keyword :

Aerobic solar hydrogen production Aerobic solar hydrogen production Artificial hydrogenase Artificial hydrogenase Heterometallic MOF Heterometallic MOF

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GB/T 7714 Feng, Ya-Nan , Xia, Yan , Yu, Shu-Wen et al. Mimicking the active site and microenvironment of hydrogenase in a heterometallic MOF with enhancing stability and high efficiency for aerobic solar hydrogen production [J]. | JOURNAL OF ALLOYS AND COMPOUNDS , 2024 , 1010 .
MLA Feng, Ya-Nan et al. "Mimicking the active site and microenvironment of hydrogenase in a heterometallic MOF with enhancing stability and high efficiency for aerobic solar hydrogen production" . | JOURNAL OF ALLOYS AND COMPOUNDS 1010 (2024) .
APA Feng, Ya-Nan , Xia, Yan , Yu, Shu-Wen , Wei, Zhi-Yan , Li, Lingyun , Chen, Fei-Fei et al. Mimicking the active site and microenvironment of hydrogenase in a heterometallic MOF with enhancing stability and high efficiency for aerobic solar hydrogen production . | JOURNAL OF ALLOYS AND COMPOUNDS , 2024 , 1010 .
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In Situ Confined Growth of Co3O4-TiO2/C S-Scheme Nanoparticle Heterojunction for Boosted Photocatalytic CO2 Reduction SCIE
期刊论文 | 2023 | JOURNAL OF PHYSICAL CHEMISTRY C
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An S-scheme nanoparticle heterojunction of Co3O4-TiO2/C has been designed to enhance CO2 adsorption and accelerate interfacial electron transfer, thereby boosting photocatalytic CO2 reduction. Co2+-loaded MXene nanosheets are used as a single precursor for in situ confined growth of Co3O4-TiO2/C. The in situ confined growth of the nanoparticle heterojunction enables good particle dispersion and a small particle size, which makes the surface and active sites highly exposed and accessible for CO2 molecules. In addition, p-type Co3O4 and n type TiO2 build an S-scheme heterojunction. As a result, the Co3O4-TiO2/C nanoparticle heterojunction exhibits a higher specific surface area, larger CO2 adsorption capacity, and faster charge transfer compared to pure Co3O4 and TiO2/C. The gas generation rate over Co3O4-TiO2/C is as high as 33.21 mmol g-1 h-1, which is 8.34 and 1.69 times higher than that of pure TiO2/C and Co3O4, respectively. 3 h photocatalysis affords a remarkable turnover number of 15.53 that is comparable to state-of-the-art photocatalysts.

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GB/T 7714 Liu, Haibing , Chen, Kaihang , Feng, Ya-Nan et al. In Situ Confined Growth of Co3O4-TiO2/C S-Scheme Nanoparticle Heterojunction for Boosted Photocatalytic CO2 Reduction [J]. | JOURNAL OF PHYSICAL CHEMISTRY C , 2023 .
MLA Liu, Haibing et al. "In Situ Confined Growth of Co3O4-TiO2/C S-Scheme Nanoparticle Heterojunction for Boosted Photocatalytic CO2 Reduction" . | JOURNAL OF PHYSICAL CHEMISTRY C (2023) .
APA Liu, Haibing , Chen, Kaihang , Feng, Ya-Nan , Zhuang, Zanyong , Chen, Fei-Fei , Yu, Yan . In Situ Confined Growth of Co3O4-TiO2/C S-Scheme Nanoparticle Heterojunction for Boosted Photocatalytic CO2 Reduction . | JOURNAL OF PHYSICAL CHEMISTRY C , 2023 .
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Regulating Activity and Selectivity of Photocatalytic CO2 Reduction on Cobalt by Rare Earth Compounds SCIE
期刊论文 | 2023 , 15 (13) , 16621-16630 | ACS APPLIED MATERIALS & INTERFACES
WoS CC Cited Count: 13
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Cobalt-based catalysts are ideal for CO2 reduction reaction (CO2RR) due to the strong binding and efficient activation of CO2 molecules on cobalt. However, cobalt-based catalysts also show low free energy of hydrogen evolution reaction (HER), making HER competitive with CO2RR. Therefore, how to improve the product selectivity of CO2RR while maintaining the catalytic efficiency is a great challenge. Here, this work demonstrates the critical roles of the rare earth (RE) compounds (Er2O3 and ErF3) in regulating the activity and selectivity of CO2RR on cobalt. It is found that the RE compounds not only promote charge transfer but also mediate the reaction paths of CO2RR and HER. Density functional theory calculations verify that the RE compounds lower the energy barrier of *CO -> CO conversion. On the other hand, the RE compounds increase the free energy of HER, which leads to the suppression of HER. As a result, the RE compounds (Er2O3 and ErF3) improve the CO selectivity of cobalt from 48.8 to 69.6%, as well as significantly increase the turnover number by a factor of over 10.

Keyword :

CO2 reduction CO2 reduction cobalt cobalt metal-organic frameworks metal-organic frameworks photocatalysts photocatalysts rare earth rare earth

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GB/T 7714 Sun, Yakun , Li, Long , Li, Xinxu et al. Regulating Activity and Selectivity of Photocatalytic CO2 Reduction on Cobalt by Rare Earth Compounds [J]. | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (13) : 16621-16630 .
MLA Sun, Yakun et al. "Regulating Activity and Selectivity of Photocatalytic CO2 Reduction on Cobalt by Rare Earth Compounds" . | ACS APPLIED MATERIALS & INTERFACES 15 . 13 (2023) : 16621-16630 .
APA Sun, Yakun , Li, Long , Li, Xinxu , Feng, Ya-Nan , Chen, Fei-Fei , Li, Lingyun et al. Regulating Activity and Selectivity of Photocatalytic CO2 Reduction on Cobalt by Rare Earth Compounds . | ACS APPLIED MATERIALS & INTERFACES , 2023 , 15 (13) , 16621-16630 .
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Triple-Wavelength Lasing with a Stabilized beta-LaBSiO5:Nd3+ Crystal SCIE
期刊论文 | 2022 | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
WoS CC Cited Count: 22
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Multi-wavelength lasers, especially the triple-wavelength laser around 1060 nm, could be produced by the F-4(3/2) -> I-4(11/2) transition of Nd3+ and present numerous challenges and opportunities in the field of optoelectronics. The Nd3+-doped high-temperature phase of LaBSiO5 (beta-LBSO) is an ideal crystal to produce triple-wavelength lasers; however, the crystal growth is challenging because of the phase transition from beta-LBSO to low-temperature phase (alpha-LBSO) at 162 degrees C. This phase transition is successfully suppressed when the doping content of Nd3+ is larger than 6.3 at. %, and the Nd3+-doped beta-LBSO is stable at room temperature. The local disorder of BO4 tetrahedra due to Nd3+ doping is essential to the stabilization of beta-LBSO. For the first time, the beta-LBSO:8%Nd3+ crystal with a dimension of 1.8 x 1.8 x 1.8 cm(3) is obtained through the top-seeded solution method. The crystal shows strong optical absorption in the range of 785-815 nm, matching well with the commercial laser diode pumping source. The optical emission of F-4(3/2) -> I-4(11/2) splits into four peaks with the highest optical emission cross section of 2.14 x 10(-20) cm(2) at 1068 nm. The continuous-wave triple-wavelength generation of coherent light at 1047, 1071, and 1092 nm is achieved with the highest output power of 235 mW and efficiency of 12.1%.

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GB/T 7714 Li, Lingyun , Huang, Fazheng , Shi, Yi et al. Triple-Wavelength Lasing with a Stabilized beta-LaBSiO5:Nd3+ Crystal [J]. | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2022 .
MLA Li, Lingyun et al. "Triple-Wavelength Lasing with a Stabilized beta-LaBSiO5:Nd3+ Crystal" . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022) .
APA Li, Lingyun , Huang, Fazheng , Shi, Yi , Luo, Zhong-Zhen , Wang, Guo-Qiang , Li, Xin-Xiong et al. Triple-Wavelength Lasing with a Stabilized beta-LaBSiO5:Nd3+ Crystal . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2022 .
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