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Cao W, Li Y, Yan B, Zeng Z, Liu P, Li R, Jiang J, Ke Z, Yang G. Catalyst-Free Activation and Fixation of Nitrogen by Laser-Induced Conversion. J Am Chem Soc 2024; 146:14765-14775. [PMID: 38752294 DOI: 10.1021/jacs.4c02631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Ultrafast N2 fixation reactions are quite challenging. Currently used methods for N2 fixation are limited, and strong dinitrogen bonds usually need to be activated via extreme temperature or pressure or by the use of an energy-consuming process with sophisticated catalysts. Herein, we report a novel laser-based chemical method for N2 fixation under ambient conditions without catalysts, this method is called laser bubbling in liquids (LBL), and it directly activates N2 in water (H2O) and efficiently converts N2 into valuable NH3 (max: 4.2 mmol h-1) and NO3- (0.17 mmol h-1). Remarkably, the highest yields of NH3 and NO3- are 4 orders of magnitude greater than the best values for electrocatalysis reported to date. Notably, we further validate the experimental mechanism by using optical emission spectroscopy to detect the production of intermediate plasma and by employing isotope tracing. We also establish that an extremely high-temperature environment far from thermodynamic equilibrium inside a laser-induced bubble and the kinetic process of rapid quenching of bubbles is crucial for N2 activation and fixation to generate NH3 and NOx via LBL. Based on these results, it is shown that LBL is a simple, safe, efficient, green, and sustainable technology that enables the rapid conversion of the renewable feedstocks H2O and N2 to NH3 and NO3-, facilitating new prospects for chemical N2 fixation.
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Affiliation(s)
- Weiwei Cao
- State Key Laboratory of Optoelectronic Materials and Technologies, Nanotechnology Research Center, Sun Yat-sen University, Guangzhou 510275, P. R. China
- School of Materials Science & Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Yinwu Li
- School of Materials Science & Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Bo Yan
- State Key Laboratory of Optoelectronic Materials and Technologies, Nanotechnology Research Center, Sun Yat-sen University, Guangzhou 510275, P. R. China
- School of Materials Science & Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Zhiping Zeng
- State Key Laboratory of Optoelectronic Materials and Technologies, Nanotechnology Research Center, Sun Yat-sen University, Guangzhou 510275, P. R. China
- School of Materials Science & Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Pu Liu
- State Key Laboratory of Optoelectronic Materials and Technologies, Nanotechnology Research Center, Sun Yat-sen University, Guangzhou 510275, P. R. China
- School of Materials Science & Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Rui Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Jiuxing Jiang
- School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Zhuofeng Ke
- School of Materials Science & Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Guowei Yang
- State Key Laboratory of Optoelectronic Materials and Technologies, Nanotechnology Research Center, Sun Yat-sen University, Guangzhou 510275, P. R. China
- School of Materials Science & Engineering, Sun Yat-sen University, Guangzhou 510275, P. R. China
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2
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Photocatalytic nitrogen fixation under an ambient atmosphere using a porous coordination polymer with bridging dinitrogen anions. Nat Chem 2023; 15:286-293. [PMID: 36522581 DOI: 10.1038/s41557-022-01088-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 10/14/2022] [Indexed: 12/23/2022]
Abstract
The design of highly electron-active and stable heterogeneous catalysts for the ambient nitrogen reduction reaction is challenging due to the inertness of the N2 molecule. Here, we report the synthesis of a zinc-based coordination polymer that features bridging dinitrogen anionic ligands, {[Zn(L)(N2)0.5(TCNQ-TCNQ)0.5]·(TCNQ)0.5}n (L is tetra(isoquinolin-6-yl)tetrathiafulvalene and TCNQ is tetracyanoquinodimethane), and show that it is an efficient photocatalyst for nitrogen fixation under an ambient atmosphere. It exhibits an ammonia conversion rate of 140 μmol g-1 h-1 and functions well also with unpurified air as the feeding gas. Experimental and theoretical studies show that the active [Zn2+-(N≡N)--Zn2+] sites can promote the formation of NH3 and the detachment of the NH3 formed creates unsaturated [Zn2+···Zn+] intermediates, which in turn can be refilled by external N2 sequestration and fast intermolecular electron migration. The [Zn2+···Zn+] intermediates stabilized by the sandwiched cage-like donor-acceptor-donor framework can sustain continuous catalytic cycles. This work presents an example of a molecular active site embedded within a coordination polymer for nitrogen fixation under mild conditions.
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Lin Y, Shi L, Chen Y, Yao X, Meng L, Han Y, Zhao X, He M, Liu Y, Zhang X. Theoretical Exploration on the Role of Magnetic States to the N 2 Fixation behaviors of 2D Transition Metal Tri-borides (TMB 3 s). Chemistry 2023; 29:e202202925. [PMID: 36333274 DOI: 10.1002/chem.202202925] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/08/2022]
Abstract
Fixing nitrogen (N2 ) by electrosynthesis method has become a promising way to ammonia (NH3 ) production, nevertheless, developing electrocatalysts combining long-term stable and low-cost feathers are still a great challenge to date. Using comprehensive first-principles calculations, we herein investigate the potential of a new class of two-dimensional (2D) transition metal tri-borides (TMB3 s) as nitrogen reduction reaction (NRR) electrocatalysts, and explore the effect of magnetic orders on the NRR. Our results show that the TMB3 s can sufficiently activate N2 and convert it to NH3 . Particularly, TiB3 is identified as a high-efficiency catalyst for NRR because of its low limiting potential (-0.24 V) and good suppression of the competitive hydrogen evolution reaction (HER). For the first time, we present that these TMB3 s with various magnetic states exhibit different performances in the adsorption of N2 and NRR intermediates, and minor effect on activation of N2 . Besides, VB3 , CrB3 , MnB3 , and FeB3 monolayers possess the superior capacity to suppress surface oxidation via the self-activating process, which reduces * O/* OH into * H2 O under NRR electrochemical conditions, thus favoring the N2 electroreduction. This work paves the way for finding high-performance NRR catalysts for transition metal borides and pioneering the research of magnetic states effects in NRR.
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Affiliation(s)
- Yuxing Lin
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225002, P. R. China
| | - Li Shi
- State Key Laboratory of Organic Electronics and Information Displays &, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM), School of Materials Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P. R. China
| | - Yu Chen
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225002, P. R. China
| | - Xiaojing Yao
- College of Physics and Hebei Advanced Thin Films Laboratory, Hebei Normal University, Shijiazhuang, 050024, P. R. China
| | - Lijuan Meng
- Department of Physics, Yancheng Institute of Technology, Yancheng, Jiangsu, 224051, P. R. China
| | - Ying Han
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225002, P. R. China
| | - Xinli Zhao
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225002, P. R. China
| | - Maoshuai He
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042 (P. R., China
| | - Yongjun Liu
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225002, P. R. China
| | - Xiuyun Zhang
- College of Physics Science and Technology, Yangzhou University, Yangzhou, 225002, P. R. China
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Heliso Dolla T, Matthews T, Wendy Maxakato N, Ndungu P, Montini T. Recent advances in transition metal sulfide-based electrocatalysts and photocatalysts for nitrogen fixation. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2022.117049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Zhang L, Meng Y, Koso A, Yao Y, Tang H, Xia S. The mechanism of nitrogen reduction reaction on defective boron nitride (BN) monolayer doped with monatomic Co, Ni, and Mo–A first principles study. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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6
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Tang M, Wang Y. The Significant Role of the Atomic Surface Structure of Support in Strong Metal‐Support Interaction. Chemistry 2022; 28:e202104519. [DOI: 10.1002/chem.202104519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Min Tang
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials School of Materials Science and Engineering Zhejiang University Hangzhou 310027 China
- Materials Chemistry and Catalysis Debye Institute for Nanomaterials Science Utrecht University 3584 CG Utrecht The Netherlands
| | - Yong Wang
- Center of Electron Microscopy and State Key Laboratory of Silicon Materials School of Materials Science and Engineering Zhejiang University Hangzhou 310027 China
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Zhang L, Meng Y, Shen H, Li J, Yang C, Xie B, Xia S. High-Efficiency Photocatalytic Ammonia Synthesis by Facet Orientation-Supported Heterojunction Cu 2O@BiOCl[100] Boosted by Double Built-In Electric Fields. Inorg Chem 2022; 61:6045-6055. [PMID: 35412822 DOI: 10.1021/acs.inorgchem.2c00058] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this work, the advantages of in situ loading, heterojunction construction, and facet regulation were integrated based on the poly-facet-exposed BiOCl single crystal, and a facet-oriented supported heterojunction of Cu2O and BiOCl was fabricated (Cu2O@BiOCl[100]). The photocatalytic nitrogen reduction reaction (pNRR) activity of Cu2O@BiOCl[100] was as high as 181.9 μmol·g-1·h-1, which is 4.09, 7.13, and 1.83 times that of Cu2O, BiOCl, and Cu2O@BiOCl-ran (Cu2O randomly supported on BiOCl). Combined with the results of the photodeposition experiment, X-ray photoelectron spectroscopy characterization, and DFT calculation, the mechanism of Cu2O@BiOCl[100] for pNRR was discussed. When Cu2O directionally loaded on the [100] facet of BiOCl, electrons generated by Cu2O will be transmitted to the [100] facet of BiOCl through Z-scheme electron transmission. Due to the directional separation characteristics of charge in BiOCl, the electrons transmitted from Cu2O are enriched on the [001] facet of BiOCl, which will together with the original electrons generated by pristine BiOCl act on pNRR, thus greatly improving the activity of photocatalytic ammonia synthesis. Thus, a new construction scheme of biphasic semiconductor heterojunction was proposed, which provides a reference research idea for designing and synthesizing high-performance photocatalysts for nitrogen reduction.
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Affiliation(s)
- Lianyang Zhang
- Key Laboratory of Clean Dyeing and Finishing Technology of Zhejiang Province, College of Textiles and Fashion, Shaoxing University, Shaoxing 312000, Zhejiang, PR China
| | - Yue Meng
- Department of Life and Health Sciences, Huzhou College, Huzhou 313000, China
| | - Hui Shen
- Zhejiang Huayuan Pigment Co., Ltd., Deqing 310024, Zhejiang, PR China
| | - Jinhua Li
- Zhejiang Huayuan Pigment Co., Ltd., Deqing 310024, Zhejiang, PR China
| | - Chunfang Yang
- Zhejiang Huayuan Pigment Co., Ltd., Deqing 310024, Zhejiang, PR China
| | - Bo Xie
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Shengjie Xia
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
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8
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Yin H, Chen Z, Peng Y, Xiong S, Li Y, Yamashita H, Li J. Dual Active Centers Bridged by Oxygen Vacancies of Ruthenium Single‐Atom Hybrids Supported on Molybdenum Oxide for Photocatalytic Ammonia Synthesis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Haibo Yin
- State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 P. R. China
| | - Zhen Chen
- State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 P. R. China
| | - Yue Peng
- State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 P. R. China
| | - Shangchao Xiong
- State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 P. R. China
| | - Yadong Li
- Department of Chemistry Tsinghua University Beijing 100084 P. R. China
| | - Hiromi Yamashita
- Division of Materials and Manufacturing Science Graduate School of Engineering Osaka University Osaka 565-0871 Japan
| | - Junhua Li
- State Key Joint Laboratory of Environment Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 P. R. China
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Shao S, Zhang J, Li L, Qin Y, Liu ZQ, Wang T. Visible-light-driven photocatalytic N 2 fixation to nitrates by 2D/2D ultrathin BiVO 4 nanosheet/rGO nanocomposites. Chem Commun (Camb) 2022; 58:2184-2187. [PMID: 35067687 DOI: 10.1039/d1cc06750h] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Photocatalytic nitrogen fixation is a promising approach owing to its environmental friendliness and cost-effectiveness. The 2D/2D BiVO4/rGO hybrid developed in this study exhibits a high nitrate-production rate of 1.45 mg h-1 g-1 and an apparent quantum efficiency (QE) of 0.64% at 420 nm, which represents one of the most highly active photocatalysts reported thus far.
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Affiliation(s)
- Shuai Shao
- Key Laboratory of Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
| | - Jun Zhang
- Key Laboratory of Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
| | - Likun Li
- China-Ukraine Institute of Welding Guangdong Academy of Sciences, Guangdong Provincial Key Laboratory of Advanced Welding Technology Guangzhou, 510651, P. R. China
| | - Yuanhang Qin
- Key Laboratory of Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
| | - Zhao-Qing Liu
- School of Chemistry and Chemical Engineering/Guangzhou Key Laboratory of Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, China.
| | - Tielin Wang
- Key Laboratory of Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
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10
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Yin H, Chen Z, Peng Y, Xiong S, Yamashita H, Li J. Dual Active Centers Bridged by Oxygen Vacancies of Ru Single Atoms Hybrids Supported on Molybdenum Oxide for Photocatalytic Ammonia Synthesis. Angew Chem Int Ed Engl 2021; 61:e202114242. [PMID: 34918452 DOI: 10.1002/anie.202114242] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Indexed: 11/09/2022]
Abstract
Photocatalytic synthesis of ammonia (NH 3 ) holds significant potential compared with the Haber-Bosch process. However, the reported photocatalysts suffered from low efficiency owing to localized electrons deficiency. Here, Ru-SA (single atoms)/H x MoO 3-y hybrids with abundant of Mo n+ (n < 6) species neighboring oxygen vacancies (O V ) are synthesized via a H-spillover process. Detailed characterizations demonstrate that Ru-SA/H x MoO 3 y hybrids can quantitatively produce NH 3 from N 2 and H 2 by the synergetic effect of dual active centers (Ru SA and Mo n+ ). That is, Ru SA boost the activation and migration of H 2 , and Mo n+ species act as the trapping sites of localized electrons and the adsorption and dissociation sites of N 2 , finally leading to NH 3 synthesis on Mo n+ -OH. The NH 3 generation rate is as high as 4.0 mmol h -1 g -1 , accompanied by an apparent quantum efficiency over 6.0% at 650 nm. Our finding may open up a new strategy for acquiring a better NH 3 synthesis approach under mild conditions.
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Affiliation(s)
- Haibo Yin
- Tsinghua University, School of environment, CHINA
| | - Zhen Chen
- Tsinghua University, School of environment, CHINA
| | - Yue Peng
- Tsinghua University, School of environment, CHINA
| | | | - Hiromi Yamashita
- Osaka University: Osaka Daigaku, Graduate School of Engineering, JAPAN
| | - Junhua Li
- Tsinghua University, School of Environment, State Key Joint Laboratory of Environment Simulation and Pollution Control, 100084, Beijing, CHINA
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Abstract
Large-scale stationary hydrogen storage is critical if hydrogen is to fulfill its promise as a global energy carrier. While densified storage via compressed gas and liquid hydrogen is currently the dominant approach, liquid organic molecules have emerged as a favorable storage medium because of their desirable properties, such as low cost and compatibility with existing fuel transport infrastructure. This perspective article analytically investigates hydrogenation systems' technical and economic prospects using liquid organic hydrogen carriers (LOHCs) to store hydrogen at a large scale compared to densified storage technologies and circular hydrogen carriers (mainly ammonia and methanol). Our analysis of major system components indicates that the capital cost for liquid hydrogen storage is more than two times that for the gaseous approach and four times that for the LOHC approach. Ammonia and methanol could be attractive options as hydrogen carriers at a large scale because of their compatibility with existing liquid fuel infrastructure. However, their synthesis and decomposition are energy and capital intensive compared to LOHCs. Together with other properties such as safety, these factors make LOHCs a possible option for large-scale stationary hydrogen storage. In addition, hydrogen transportation via various approaches is briefly discussed. We end our discussions by identifying important directions for future research on LOHCs.
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13
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Xia S, Zhang G, Gao Z, Meng Y, Xie B, Lu H, Ni Z. 3D hollow Bi 2O 3@CoAl-LDHs direct Z-scheme heterostructure for visible-light-driven photocatalytic ammonia synthesis. J Colloid Interface Sci 2021; 604:798-809. [PMID: 34303173 DOI: 10.1016/j.jcis.2021.07.063] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/05/2021] [Accepted: 07/11/2021] [Indexed: 01/17/2023]
Abstract
In this paper, the novel 3D hollow Z-scheme heterojunction photocatalysts based on Bi2O3 and CoAl layered double hydroxides (Bi2O3@CoAl-LDHs) were prepared for efficient visible-light-driven photocatalytic ammonia synthesis. The synthesized nanohybrid exhibits excellent photocatalytic ammonia synthesis performance (48.7 μmol·L-1·h-1) and structural stability, which is primarily attributed to the fact that Z-scheme heterojunction significantly enhanced lifetime of photogenerated carriers (6.22 ns) and transfer efficiency of surface photogenerated electrons (72.5%). Strict control experiments and nitrogen isotope labeling results show that nitrogen and hydrogen in the produced ammonia come from nitrogen and water in the reactant respectively. Electron paramagnetic resonance (EPR) experiments and density functional theory (DFT) calculations further reveal that the built-in electric field due to the difference between Bi2O3 and CoAl-LDHs is the key to constructing the Z-scheme heterojunction. In addition, results of partial density of states (PDOS) show that Co in Bi2O3@CoAl-LDHs composite is the active site for photocatalytic N2 fixation.
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Affiliation(s)
- Shengjie Xia
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China.
| | - Guanhua Zhang
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Zhiyan Gao
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Yue Meng
- School of Life Science, Huzhou University, 759 East Erhuan Road, Huzhou 313000, PR China; Department of Life and Health Sciences, Huzhou College, 313000 Huzhou, PR China
| | - Bo Xie
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Hanfeng Lu
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Zheming Ni
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
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Qin J, Zhao W, Hu X, Li J, Ndokoye P, Liu B. Exploring the N 2 Adsorption and Activation Mechanisms over the 2H/1T Mixed-Phase Ultrathin Mo 1-xW xS 2 Nanosheets for Boosting N 2 Photosynthesis. ACS APPLIED MATERIALS & INTERFACES 2021; 13:7127-7134. [PMID: 33554598 DOI: 10.1021/acsami.0c19282] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Solar-driven conversion of nitrogen (N2) to ammonia (NH3) is highly appealing, yet in its infancy, the low photocatalytic efficiency and unclear adsorption and activation mechanisms of N2 are still issues to be addressed. In this study, ultrathin alloyed Mo1-xWxS2 nanosheets with tunable hexagonal (2H)/trigonal (1T) phase ratios were proposed to boost photoreduction N2 efficiency, while the mechanisms of N2 adsorption and activation were explored simultaneously. The alloyed Mo1-xWxS2 nanosheets for the 1T phase concentration of 33.6% and Mo/W = 0.68:0.32 were proven to reach about 111 μmol gcat-1 h-1 under visible light, which is 3.7 (or 3)-fold higher than that of pristine MoS2 (or WS2). With the aid of density functional theory calculations and in situ N2 adsorption X-ray absorption near-edge fine structure techniques, the adsorption and activation behaviors of N2 over the interface of Mo1-xWxS2 nanosheets were investigated during the N2 reduction process. The results show that the W doping causes a higher electron density state in W 5d orbitals, which can further polarize the adsorbed N2 molecules for adsorption and activation. This work provides a new insight into the adsorption and activation mechanisms for the NH3 synthesis.
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Affiliation(s)
- Jiangzhou Qin
- College of Resource and Environmental Engineering, Guizhou University, Guiyang 550025, China
| | - Wenjun Zhao
- College of Resource and Environmental Engineering, Guizhou University, Guiyang 550025, China
| | - Xia Hu
- College of Resource and Environmental Engineering, Guizhou University, Guiyang 550025, China
- Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China
| | - Jiang Li
- College of Resource and Environmental Engineering, Guizhou University, Guiyang 550025, China
- Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China
| | - Pancras Ndokoye
- Faculty of Education, Kibogora Polytechnic, Kirambo, Western Province, Rwanda
| | - Baojun Liu
- College of Resource and Environmental Engineering, Guizhou University, Guiyang 550025, China
- Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China
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15
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An Q, McDonald M, Fortunelli A, Goddard WA. Controlling the Shapes of Nanoparticles by Dopant-Induced Enhancement of Chemisorption and Catalytic Activity: Application to Fe-Based Ammonia Synthesis. ACS NANO 2021; 15:1675-1684. [PMID: 33355457 DOI: 10.1021/acsnano.0c09346] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We showed recently that the catalytic efficiency of ammonia synthesis on Fe-based nanoparticles (NP) for Haber-Bosch (HB) reduction of N2 to ammonia depends very dramatically on the crystal surface exposed and on the doping. In turn, the stability of each surface depends on the stable intermediates present during the catalysis. Thus, under reaction conditions, the shape of the NP is expected to evolve to optimize surface energies. In this paper, we propose to manipulate the shape of the nanoparticles through doping combined with chemisorption and catalysis. To do this, we consider the relationships between the catalyst composition (adding dopant elements) and on how the distribution of the dopant atoms on the bulk and facet sites affects the shape of the particles and therefore the number of active sites on the catalyst surfaces. We use our hierarchical, high-throughput catalyst screening (HHTCS) approach but extend the scope of HHTCS to select dopants that can increase the catalytically active surface orientations, such as Fe-bcc(111), at the expense of catalytically inactive facets, such as Fe-bcc(100). Then, for the most promising dopants, we predict the resulting shape and activity of doped Fe-based nanoparticles under reaction conditions. We examined 34 possible dopants across the periodic table and found 16 dopants that can potentially increase the fraction of active Fe-bcc(111) vs inactive Fe-bcc(100) facets. Combining this reshaping criterion with our HHTCS estimate of the resulting catalytic performance, we show that Si and Ni are the most promising elements for improving the rates of catalysis by optimizing the shape to decrease reaction barriers. Then, using Si dopant as a working example, we build a steady-state dynamical Wulff construction of Si-doped Fe bcc nanoparticles. We use nanoparticles with a diameter of ∼10 nm, typical of industrial catalysts. We predict that doping Si into such Fe nanoparticles at the optimal atomic content of ∼0.3% leads to rate enhancements by a factor of 56 per nanoparticle under target HB conditions.
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Affiliation(s)
- Qi An
- Department of Chemical and Materials Engineering, University of Nevada-Reno, Reno, Nevada 89577, United States
| | - Molly McDonald
- Department of Chemical and Materials Engineering, University of Nevada-Reno, Reno, Nevada 89577, United States
| | - Alessandro Fortunelli
- Materials and Process Simulation Center (MSC), California Institute of Technology, Pasadena, California 91125, United States
- CNR-ICCOM, Consiglio Nazionale delle Ricerche, ThC2-Lab, Pisa 56124, Italy
| | - William A Goddard
- Materials and Process Simulation Center (MSC), California Institute of Technology, Pasadena, California 91125, United States
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Han S, Wang C, Wang Y, Yu Y, Zhang B. Electrosynthesis of Nitrate via the Oxidation of Nitrogen on Tensile‐Strained Palladium Porous Nanosheets. Angew Chem Int Ed Engl 2021; 60:4474-4478. [DOI: 10.1002/anie.202014017] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Indexed: 11/06/2022]
Affiliation(s)
- Shuhe Han
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
| | - Changhong Wang
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
| | - Yuting Wang
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
| | - Yifu Yu
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
| | - Bin Zhang
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology, (Ministry of Education) Tianjin University Tianjin 300072 China
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17
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Han S, Wang C, Wang Y, Yu Y, Zhang B. Electrosynthesis of Nitrate via the Oxidation of Nitrogen on Tensile‐Strained Palladium Porous Nanosheets. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014017] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shuhe Han
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
| | - Changhong Wang
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
| | - Yuting Wang
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
| | - Yifu Yu
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
| | - Bin Zhang
- Department of Chemistry Institute of Molecular Plus School of Science Tianjin University Tianjin 300072 China
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology, (Ministry of Education) Tianjin University Tianjin 300072 China
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18
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Parker LA, Carter JH, Dummer NF, Richards N, Morgan DJ, Golunski SE, Hutchings GJ. Ammonia Decomposition Enhancement by Cs-Promoted Fe/Al2O3 Catalysts. Catal Letters 2020. [DOI: 10.1007/s10562-020-03247-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Abstract
A range of Cs-doped Fe/Al2O3 catalysts were prepared for the ammonia decomposition reaction. Through time on-line studies it was shown that at all loadings of Cs investigated the activity of the Fe/Al2O3 catalysts was enhanced, with the optimum Cs:Fe being ca. 1. Initially, the rate of NH3 decomposition was low, typically < 10% equilibrium conversion (99.7%@500°C) recorded after 1 h. All catalysts exhibited an induction period (typically ca. 10 h) with the conversion reaching a high of 67% equilibrium conversion for Cs:Fe = 0.5 and 1. The highest rate of decomposition observed was attributed to the balance between increasing the concentration of Cs without blocking the active site. Analysis of H2-TPR and XPS measurements indicated that Cs acts as an electronic promoter. Previously, Cs has been shown to act as a promoter for Ru, where Cs alters the electron density of the active site, thereby facilitating the recombination of N2 which is considered the rate determining step. In addition, XRD and N2 adsorption measurements suggest that with higher Cs loadings deactivation of the catalytic activity is due to a layer of CsOH that forms on the surface and blocks active sites.
Graphic Abstract
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19
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Degaga GD, Trought M, Nemsak S, Crumlin EJ, Seel M, Pandey R, Perrine KA. Investigation of N 2 adsorption on Fe 3O 4(001) using ambient pressure X-ray photoelectron spectroscopy and density functional theory. J Chem Phys 2020; 152:054717. [PMID: 32035447 DOI: 10.1063/1.5138941] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Reactions on iron oxide surfaces are prevalent in various chemical processes from heterogeneous catalysts to minerals. Nitrogen (N2) is known to dissociate on iron surfaces, a precursor for ammonia production in the Haber-Bosch process, where the dissociation of N2 is the limiting step in the reaction under equilibrium conditions. However, little is known about N2 adsorption on other iron-based materials, such as iron oxide surfaces that are ubiquitous in soils, steel pipelines, and other industrial materials. An atomistic description is reported for the binding of N2 on the Fe3O4(001) surface using first principles calculations with ambient pressure X-ray photoelectron spectroscopy. Two primary adsorption sites are experimentally identified from N2 dissociation on Fe3O4(001). The electronic signatures associated with the valence band region unambiguously show how the electronic structure of magnetite transforms near ambient pressures due to the binding of atomic nitrogen to different surface sites. Overall, the experimental and theoretical results of our study bridge the gap between ultra-high vacuum studies and reaction conditions to provide insight into other nitrogen-based chemistry on iron oxide surfaces that impact the agriculture and energy industries.
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Affiliation(s)
- Gemechis D Degaga
- Department of Physics, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931-1295, USA
| | - Mikhail Trought
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931-1295, USA
| | - Slavomir Nemsak
- Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720-8229, USA
| | - Ethan J Crumlin
- Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720-8229, USA
| | - Max Seel
- Department of Physics, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931-1295, USA
| | - Ravindra Pandey
- Department of Physics, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931-1295, USA
| | - Kathryn A Perrine
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931-1295, USA
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20
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Liu Y, Cheng M, He Z, Gu B, Xiao C, Zhou T, Guo Z, Liu J, He H, Ye B, Pan B, Xie Y. Pothole‐rich Ultrathin WO
3
Nanosheets that Trigger N≡N Bond Activation of Nitrogen for Direct Nitrate Photosynthesis. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Youwen Liu
- Hefei National Laboratory for Physical Sciences at the MicroscaleCAS Centre for Excellence in Nanoscience, iCHEMUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Ming Cheng
- Hefei National Laboratory for Physical Sciences at the MicroscaleCAS Centre for Excellence in Nanoscience, iCHEMUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Zhihai He
- Hefei National Laboratory for Physical Sciences at the MicroscaleCAS Centre for Excellence in Nanoscience, iCHEMUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Bingchuan Gu
- State Key Laboratory of Particle Detection and ElectronicsUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Chong Xiao
- Hefei National Laboratory for Physical Sciences at the MicroscaleCAS Centre for Excellence in Nanoscience, iCHEMUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Tengfei Zhou
- Institute for Superconducting and Electronic MaterialsAustralian Institute for Innovative Materials (AIIM), and School of Mechanical, Materials and Mechatronics Engineering, Faculty of Engineering and Information SciencesUniversity of Wollongong North Wollongong NSW 2500 Australia
| | - Zaiping Guo
- Institute for Superconducting and Electronic MaterialsAustralian Institute for Innovative Materials (AIIM), and School of Mechanical, Materials and Mechatronics Engineering, Faculty of Engineering and Information SciencesUniversity of Wollongong North Wollongong NSW 2500 Australia
| | - Jiandang Liu
- State Key Laboratory of Particle Detection and ElectronicsUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Haiyan He
- Hefei National Laboratory for Physical Sciences at the MicroscaleCAS Centre for Excellence in Nanoscience, iCHEMUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Bangjiao Ye
- State Key Laboratory of Particle Detection and ElectronicsUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Bicai Pan
- Hefei National Laboratory for Physical Sciences at the MicroscaleCAS Centre for Excellence in Nanoscience, iCHEMUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Yi Xie
- Hefei National Laboratory for Physical Sciences at the MicroscaleCAS Centre for Excellence in Nanoscience, iCHEMUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
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21
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Liu Y, Cheng M, He Z, Gu B, Xiao C, Zhou T, Guo Z, Liu J, He H, Ye B, Pan B, Xie Y. Pothole-rich Ultrathin WO 3 Nanosheets that Trigger N≡N Bond Activation of Nitrogen for Direct Nitrate Photosynthesis. Angew Chem Int Ed Engl 2018; 58:731-735. [PMID: 30549164 DOI: 10.1002/anie.201808177] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 11/20/2018] [Indexed: 11/08/2022]
Abstract
Nitrate is a raw ingredient for the production of fertilizer, gunpowder, and explosives. Developing an alternative approach to activate the N≡N bond of naturally abundant nitrogen to form nitrate under ambient conditions will be of importance. Herein, pothole-rich WO3 was used to catalyse the activation of N≡N covalent triple bonds for the direct nitrate synthesis at room temperature. The pothole-rich structure endues the WO3 nanosheet more dangling bonds and more easily excited high momentum electrons, which overcome the two major bottlenecks in N≡N bond activation, that is, poor binding of N2 to catalytic materials and the high energy involved in this reaction. The average rate of nitrate production is as high as 1.92 mg g-1 h-1 under ambient conditions, without any sacrificial agent or precious-metal co-catalysts. More generally, the concepts will initiate a new pathway for triggering inert catalytic reactions.
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Affiliation(s)
- Youwen Liu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Centre for Excellence in Nanoscience, iCHEM, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Ming Cheng
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Centre for Excellence in Nanoscience, iCHEM, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Zhihai He
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Centre for Excellence in Nanoscience, iCHEM, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Bingchuan Gu
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Chong Xiao
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Centre for Excellence in Nanoscience, iCHEM, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Tengfei Zhou
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), and School of Mechanical, Materials and Mechatronics Engineering, Faculty of Engineering and Information Sciences, University of Wollongong, North Wollongong, NSW, 2500, Australia
| | - Zaiping Guo
- Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM), and School of Mechanical, Materials and Mechatronics Engineering, Faculty of Engineering and Information Sciences, University of Wollongong, North Wollongong, NSW, 2500, Australia
| | - Jiandang Liu
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Haiyan He
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Centre for Excellence in Nanoscience, iCHEM, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Bangjiao Ye
- State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Bicai Pan
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Centre for Excellence in Nanoscience, iCHEM, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yi Xie
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Centre for Excellence in Nanoscience, iCHEM, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
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22
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Metiu H, Agarwal V, Kristoffersen HH. THE ROLE OF COMPUTATIONS IN CATALYSIS. REVIEWS IN COMPUTATIONAL CHEMISTRY 2018. [DOI: 10.1002/9781119518068.ch4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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23
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Hernández Mejía C, van Deelen TW, de Jong KP. Activity enhancement of cobalt catalysts by tuning metal-support interactions. Nat Commun 2018; 9:4459. [PMID: 30367060 PMCID: PMC6203836 DOI: 10.1038/s41467-018-06903-w] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 10/02/2018] [Indexed: 11/24/2022] Open
Abstract
Interactions between metal nanoparticles and support materials can strongly influence the performance of catalysts. In particular, reducible oxidic supports can form suboxides that can decorate metal nanoparticles and enhance catalytic performance or block active sites. Therefore, tuning this metal-support interaction is essential for catalyst design. Here, we investigate reduction-oxidation-reduction (ROR) treatments as a method to affect metal-support interactions and related catalytic performance. Controlled oxidation of pre-reduced cobalt on reducible (TiO2 and Nb2O5) and irreducible (α-Al2O3) supports leads to the formation of hollow cobalt oxide particles. The second reduction results in a twofold increase in cobalt surface area only on reducible oxides and proportionally enhances the cobalt-based catalytic activity during Fischer-Tropsch synthesis at industrially relevant conditions. Such activities are usually only obtained by noble metal promotion of cobalt catalysts. ROR proves an effective approach to tune the interaction between metallic nanoparticles and reducible oxidic supports, leading to improved catalytic performance. Tuning metal-support interaction can strongly influence the performance of a catalyst, and is thus essential for catalyst design. Here, the authors investigate reduction-oxidation-reduction treatments as a method to affect metal-support interactions of cobalt-based catalysts in Fischer-Tropsch synthesis.
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Affiliation(s)
- Carlos Hernández Mejía
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Tom W van Deelen
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Krijn P de Jong
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands.
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24
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Kohse-Höinghaus K, Troe J, Grabow JU, Olzmann M, Friedrichs G, Hungenberg KD. Kinetics in the real world: linking molecules, processes, and systems. Phys Chem Chem Phys 2018; 20:10561-10568. [PMID: 29616689 DOI: 10.1039/c8cp90054j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unravelling elementary steps, reaction pathways, and kinetic mechanisms is key to understanding the behaviour of many real-world chemical systems that span from the troposphere or even interstellar media to engines and process reactors. Recent work in chemical kinetics provides detailed information on the reactive changes occurring in chemical systems, often on the atomic or molecular scale. The optimisation of practical processes, for instance in combustion, catalysis, battery technology, polymerisation, and nanoparticle production, can profit from a sound knowledge of the underlying fundamental chemical kinetics. Reaction mechanisms can combine information gained from theory and experiments to enable the predictive simulation and optimisation of the crucial process variables and influences on the system's behaviour that may be exploited for both monitoring and control. Chemical kinetics, as one of the pillars of Physical Chemistry, thus contributes importantly to understanding and describing natural environments and technical processes and is becoming increasingly relevant for interactions in and with the real world.
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25
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Liu JC, Ma XL, Li Y, Wang YG, Xiao H, Li J. Heterogeneous Fe 3 single-cluster catalyst for ammonia synthesis via an associative mechanism. Nat Commun 2018; 9:1610. [PMID: 29686395 PMCID: PMC5913218 DOI: 10.1038/s41467-018-03795-8] [Citation(s) in RCA: 232] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 03/13/2018] [Indexed: 12/20/2022] Open
Abstract
The current industrial ammonia synthesis relies on Haber–Bosch process that is initiated by the dissociative mechanism, in which the adsorbed N2 dissociates directly, and thus is limited by Brønsted–Evans–Polanyi (BEP) relation. Here we propose a new strategy that an anchored Fe3 cluster on the θ-Al2O3(010) surface as a heterogeneous catalyst for ammonia synthesis from first-principles theoretical study and microkinetic analysis. We have studied the whole catalytic mechanism for conversion of N2 to NH3 on Fe3/θ-Al2O3(010), and find that an associative mechanism, in which the adsorbed N2 is first hydrogenated to NNH, dominates over the dissociative mechanism, which we attribute to the large spin polarization, low oxidation state of iron, and multi-step redox capability of Fe3 cluster. The associative mechanism liberates the turnover frequency (TOF) for ammonia production from the limitation due to the BEP relation, and the calculated TOF on Fe3/θ-Al2O3(010) is comparable to Ru B5 site. The current industrial ammonia synthesis relies on the Haber-Bosch process that is limited by the Brønsted–Evans–Polanyi relation. Here, the authors propose a new strategy that an anchored Fe3 on θ-Al2O3(010) surface serves as a heterogeneous single cluster catalyst for ammonia synthesis from first-principles calculations and microkinetic analysis.
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Affiliation(s)
- Jin-Cheng Liu
- Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Tsinghua University, Beijing, 100084, China
| | - Xue-Lu Ma
- Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Tsinghua University, Beijing, 100084, China
| | - Yong Li
- Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Tsinghua University, Beijing, 100084, China
| | - Yang-Gang Wang
- Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Tsinghua University, Beijing, 100084, China
| | - Hai Xiao
- Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Tsinghua University, Beijing, 100084, China
| | - Jun Li
- Department of Chemistry and Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Tsinghua University, Beijing, 100084, China.
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26
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Ree J, Ree J, Kim DH, Shin HK. Nitrogen Atom Abstraction of Nitrogen Chemisorbed on W(100) Surface. B KOREAN CHEM SOC 2018. [DOI: 10.1002/bkcs.11373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jinkyue Ree
- Department of Chemistry Education; Chonnam National University; Gwangju 61186 South Korea
| | - Jongbaik Ree
- Department of Chemistry Education; Chonnam National University; Gwangju 61186 South Korea
| | - Do Hwan Kim
- Division of Science Education and Institute of Fusion Science; Chonbuk National University; Jeonju 54896 South Korea
| | - Hyung Kyu Shin
- Department of Chemistry; University of Nevada; Reno Nevada 89557 USA
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27
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Galparsoro O, Pétuya R, Busnengo F, Juaristi JI, Crespos C, Alducin M, Larregaray P. Hydrogen abstraction from metal surfaces: when electron-hole pair excitations strongly affect hot-atom recombination. Phys Chem Chem Phys 2018; 18:31378-31383. [PMID: 27827490 DOI: 10.1039/c6cp06222a] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Using molecular dynamics simulations, we predict that the inclusion of nonadiabatic electronic excitations influences the dynamics of preadsorbed hydrogen abstraction from the W(110) surface by hydrogen scattering. The hot-atom recombination, which involves hyperthermal diffusion of the impinging atom on the surface, is significantly affected by the dissipation of energy mediated by electron-hole pair excitations at low coverage and low incidence energy. This issue is of importance as this abstraction mechanism is thought to largely contribute to molecular hydrogen formation from metal surfaces.
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Affiliation(s)
- Oihana Galparsoro
- CNRS, ISM, UMR5255, F-33400 Talence, France. and Université de Bordeaux, ISM, UMR 5255, F-33400 Talence, France and Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, 20018 Donostia-San Sebastián, Spain
| | - Rémi Pétuya
- Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, 20018 Donostia-San Sebastián, Spain
| | - Fabio Busnengo
- Instituto de Física Rosario (IFIR) CONICET-UNR, Esmeralda y Ocampo, 2000 Rosario, Argentina
| | - Joseba Iñaki Juaristi
- Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, 20018 Donostia-San Sebastián, Spain and Departamento de Física de Materiales, Facultad de Químicas (UPV/EHU), Apartado 1072, 20080 Donostia-San Sebastián, Spain and Centro de Física de Materiales CFM/MPC (CSIC-UPV/EHU), Paseo Manuel de Lardizabal 5, 20018 Donostia-San Sebastián, Spain
| | - Cédric Crespos
- CNRS, ISM, UMR5255, F-33400 Talence, France. and Université de Bordeaux, ISM, UMR 5255, F-33400 Talence, France
| | - Maite Alducin
- Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, 20018 Donostia-San Sebastián, Spain and Centro de Física de Materiales CFM/MPC (CSIC-UPV/EHU), Paseo Manuel de Lardizabal 5, 20018 Donostia-San Sebastián, Spain
| | - Pascal Larregaray
- CNRS, ISM, UMR5255, F-33400 Talence, France. and Université de Bordeaux, ISM, UMR 5255, F-33400 Talence, France
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28
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Tamizmani M, Sivasankar C. Protonation of Coordinated Dinitrogen Using Protons Generated from Molecular Hydrogen. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700784] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Masilamani Tamizmani
- Catalysis and Energy Laboratory Department of Chemistry Pondicherry University (A Central University) 605014 Puducherry India
| | - Chinnappan Sivasankar
- Catalysis and Energy Laboratory Department of Chemistry Pondicherry University (A Central University) 605014 Puducherry India
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29
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Wang S, Hai X, Ding X, Chang K, Xiang Y, Meng X, Yang Z, Chen H, Ye J. Light-Switchable Oxygen Vacancies in Ultrafine Bi 5 O 7 Br Nanotubes for Boosting Solar-Driven Nitrogen Fixation in Pure Water. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1701774. [PMID: 28614603 DOI: 10.1002/adma.201701774] [Citation(s) in RCA: 256] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 04/24/2017] [Indexed: 05/21/2023]
Abstract
Solar-driven reduction of dinitrogen (N2 ) to ammonia (NH3 ) is severely hampered by the kinetically complex and energetically challenging multielectron reaction. Oxygen vacancies (OVs) with abundant localized electrons on the surface of bismuth oxybromide-based semiconductors are demonstrated to have the ability to capture and activate N2 , providing an alternative pathway to overcome such limitations. However, bismuth oxybromide materials are susceptible to photocorrosion, and the surface OVs are easily oxidized and therefore lose their activities. For realistic photocatalytic N2 fixation, fabricating and enhancing the stability of sustainable OVs on semiconductors is indispensable. This study shows the first synthesis of self-assembled 5 nm diameter Bi5 O7 Br nanotubes with strong nanotube structure, suitable absorption edge, and many exposed surface sites, which are favorable for furnishing sufficient visible light-induced OVs to realize excellent and stable photoreduction of atmospheric N2 into NH3 in pure water. The NH3 generation rate is as high as 1.38 mmol h-1 g-1 , accompanied by an apparent quantum efficiency over 2.3% at 420 nm. The results presented herein provide new insights into rational design and engineering for the creation of highly active catalysts with light-switchable OVs toward efficient, stable, and sustainable visible light N2 fixation in mild conditions.
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Affiliation(s)
- Shengyao Wang
- College of Science, Huazhong Agricultural University, Wuhan, 430070, P. R. China
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, Wuhan, 430070, P. R. China
| | - Xiao Hai
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
- Graduate School of Chemical Science and Engineering, Hokkaido University, Sapporo, 060-0814, Japan
| | - Xing Ding
- College of Science, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Kun Chang
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yonggang Xiang
- College of Science, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Xianguang Meng
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
- Photo-Functional Materials Research Platform, College of Materials Science and Engineering, North China University of Science and Technology, Tangshan, 063210, P. R. China
| | - Zixin Yang
- College of Science, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Hao Chen
- College of Science, Huazhong Agricultural University, Wuhan, 430070, P. R. China
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, Wuhan, 430070, P. R. China
| | - Jinhua Ye
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
- Graduate School of Chemical Science and Engineering, Hokkaido University, Sapporo, 060-0814, Japan
- TU-NIMS International Collaboration Laboratory, School of Material Science and Engineering Tianjin University, Tianjin, 300072, P. R. China
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30
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Tanabe Y, Nishibayashi Y. Catalytic Dinitrogen Fixation to Form Ammonia at Ambient Reaction Conditions Using Transition Metal-Dinitrogen Complexes. CHEM REC 2016; 16:1549-77. [DOI: 10.1002/tcr.201600025] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Indexed: 01/23/2023]
Affiliation(s)
- Yoshiaki Tanabe
- Department of Systems Innovation, School of Engineering; The University of Tokyo; Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Yoshiaki Nishibayashi
- Department of Systems Innovation, School of Engineering; The University of Tokyo; Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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Zhu D, Zhang L, Ruther RE, Hamers RJ. Photo-illuminated diamond as a solid-state source of solvated electrons in water for nitrogen reduction. NATURE MATERIALS 2013; 12:836-41. [PMID: 23812128 DOI: 10.1038/nmat3696] [Citation(s) in RCA: 429] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2013] [Accepted: 05/22/2013] [Indexed: 05/24/2023]
Abstract
The photocatalytic reduction of N₂ to NH₃ is typically hampered by poor binding of N₂ to catalytic materials and by the very high energy of the intermediates involved in this reaction. Solvated electrons directly introduced into the reactant solution can provide an alternative pathway to overcome such limitations. Here we demonstrate that illuminated hydrogen-terminated diamond yields facile electron emission into water, thus inducing reduction of N₂ to NH₃ at ambient temperature and pressure. Transient absorption measurements at 632 nm reveal the presence of solvated electrons adjacent to the diamond after photoexcitation. Experiments using inexpensive synthetic diamond samples and diamond powder show that photocatalytic activity is strongly dependent on the surface termination and correlates with the production of solvated electrons. The use of diamond to eject electrons into a reactant liquid represents a new paradigm for photocatalytic reduction, bringing electrons directly to reactants without requiring molecular adsorption to the surface.
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Affiliation(s)
- Di Zhu
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, USA
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Quintas-Sánchez E, Crespos C, Larrégaray P, Rayez JC, Martin-Gondre L, Rubayo-Soneira J. Surface temperature effects on the dynamics of N2 Eley-Rideal recombination on W(100). J Chem Phys 2013; 138:024706. [PMID: 23320712 DOI: 10.1063/1.4774024] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Quasiclassical trajectories simulations are performed to study the influence of surface temperature on the dynamics of a N atom colliding a N-preadsorbed W(100) surface under normal incidence. A generalized Langevin surface oscillator scheme is used to allow energy transfer between the nitrogen atoms and the surface. The influence of the surface temperature on the N(2) formed molecules via Eley-Rideal recombination is analyzed at T = 300, 800, and 1500 K. Ro-vibrational distributions of the N(2) molecules are only slightly affected by the presence of the thermal bath whereas kinetic energy is rather strongly decreased when going from a static surface model to a moving surface one. In terms of reactivity, the moving surface model leads to an increase of atomic trapping cross section yielding to an increase of the so-called hot atoms population and a decrease of the direct Eley-Rideal cross section. The energy exchange between the surface and the nitrogen atoms is semi-quantitatively interpreted by a simple binary collision model.
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Quintas-Sánchez E, Larrégaray P, Crespos C, Martin-Gondre L, Rubayo-Soneira J, Rayez JC. Dynamical reaction pathways in Eley-Rideal recombination of nitrogen from W(100). J Chem Phys 2012; 137:064709. [DOI: 10.1063/1.4742815] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Martin-Gondre L, Crespos C, Larregaray P, Rayez JC, van Ootegem B, Conte D. Dynamics simulation of N(2) scattering onto W(100,110) surfaces: A stringent test for the recently developed flexible periodic London-Eyring-Polanyi-Sato potential energy surface. J Chem Phys 2010; 132:204501. [PMID: 20515094 DOI: 10.1063/1.3389479] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
An efficient method to construct the six dimensional global potential energy surface (PES) for two atoms interacting with a periodic rigid surface, the flexible periodic London-Eyring-Polanyi-Sato model, has been proposed recently. The main advantages of this model, compared to state-of-the-art interpolated ab initio PESs developed in the past, reside in its global nature along with the small number of electronic structure calculations required for its construction. In this work, we investigate to which extent this global representation is able to reproduce the fine details of the scattering dynamics of N(2) onto W(100,110) surfaces reported in previous dynamics simulations based on locally interpolated PESs. The N(2)/W(100) and N(2)/W(110) systems are chosen as benchmarks as they exhibit very unusual and distinct dissociative adsorption dynamics although chemically similar. The reaction pathways as well as the role of dynamic trapping are scrutinized. Besides, elastic/inelastic scattering dynamics including internal state and angular distributions of reflected molecules are also investigated. The results are shown to be in fair agreement with previous theoretical predictions.
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Affiliation(s)
- L Martin-Gondre
- Institut des Sciences Moléculaires, UMR 5255 CNRS-Université Bordeaux 1, 351 Cours de la Libération, 33405 Talence Cedex, France
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Weeks BL, Zhang G. High-pressure scanning tunneling microscopy: tip reactions. SCANNING 2007; 29:5-10. [PMID: 17330249 DOI: 10.1002/sca.20003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Scanning tunneling microscopy (STM) is an ideal tool to image conducting and semiconducting surfaces with atomic resolution. The technique provides high-resolution images in vacuum or even high-pressure environments. Since STM can be operated at elevated pressures and temperatures, images can be collected in situ under catalytic conditions. In this work, we demonstrate that artifacts can be observed when imaging in situ since reactions can occur on the tip, and care should be taken when analyzing the data obtained.
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Affiliation(s)
- Brandon L Weeks
- Texas Tech University, Department of Chemical Engineering, Lubbock, Texas 79409, USA.
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Thomas JM. Advanced Catalysts: Interfaces in the Physical and Biological Sciences. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.19891010849] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Publications. J Phys Chem B 1997. [DOI: 10.1021/jp970903n] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Holme B. Morphology and Crystallographic Relationships in Reduced Magnetite: A Comprehensive Structural Study of the Porous Iron Ammonia Synthesis Catalyst. J Catal 1997. [DOI: 10.1006/jcat.1997.1563] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Colley S, Copperthwaite R, Hutchings G. Unusual cobalt phases in CO-hydrogenation catalysts, studies by in-situ x-ray diffraction. Catal Today 1991. [DOI: 10.1016/0920-5861(91)85025-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Strongin DR, Somorjai GA. A Surface Science and Catalytic Study of the Effects of Aluminum Oxide and Potassium on the Ammonia Synthesis Over Iron Single-Crystal Surfaces. CATALYTIC AMMONIA SYNTHESIS 1991. [DOI: 10.1007/978-1-4757-9592-9_4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Schlögl R. Preparation and Activation of the Technical Ammonia Synthesis Catalyst. CATALYTIC AMMONIA SYNTHESIS 1991. [DOI: 10.1007/978-1-4757-9592-9_2] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Thomas JM. Advanced Catalysts: Interfaces in the Physical and Biological Sciences. ACTA ACUST UNITED AC 1989. [DOI: 10.1002/anie.198910791] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Zhang HB, Tsai KR. LR spectroscopic study of chemisorbed dinitrogen species on ammonia synthesis iron catalysts. Catal Letters 1989. [DOI: 10.1007/bf00763723] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Molnáar Á, Smith GV, Bartók M. New Catalytic Materials from Amorphous Metal Alloys. ADVANCES IN CATALYSIS 1989. [DOI: 10.1016/s0360-0564(08)60020-6] [Citation(s) in RCA: 125] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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