Precision Chemistry最新文献_第2页

Porphyrin/Fullerene Porous Molecular Cocrystal Featuring a Robust One-Dimensional Channel 具有稳健一维通道的卟啉/富勒烯多孔分子共晶体

Precision Chemistry Pub Date : 2024-06-12 DOI: 10.1021/prechem.4c0003610.1021/prechem.4c00036

Nobuhiro Sato, Ryojun Toyoda, Tetsu Sato, Zi Lang Goo, Shinya Takaishi, Koki Chida, Takeharu Yoshii, Hirotomo Nishihara, Kunihisa Sugimoto and Ryota Sakamoto*,

{"title":"Porphyrin/Fullerene Porous Molecular Cocrystal Featuring a Robust One-Dimensional Channel","authors":"Nobuhiro Sato, Ryojun Toyoda, Tetsu Sato, Zi Lang Goo, Shinya Takaishi, Koki Chida, Takeharu Yoshii, Hirotomo Nishihara, Kunihisa Sugimoto and Ryota Sakamoto*, ","doi":"10.1021/prechem.4c0003610.1021/prechem.4c00036","DOIUrl":"https://doi.org/10.1021/prechem.4c00036https://doi.org/10.1021/prechem.4c00036","url":null,"abstract":"Microporous molecular crystals are promising materials because of their designable porosity as well as their resistance to chemical and other stimuli. Here, we developed microporous molecular cocrystals by taking advantage of the specific interactions between porphyrins and fullerene molecules. Single-crystal X-ray diffraction analysis revealed that one nickel(II) porphyrin interacts with two fullerene molecules to form a two-dimensional honeycomb network with an eclipsed stacking mode, providing one-dimensional void channels. After the pores were activated by heat treatment or mechanical grinding, the prepared cocrystal can incorporate gas and solvent molecules reversibly while maintaining its single-crystallinity. Also, it retained its single-crystallinity in the presence of water, acid–base, or high pressure. These findings in this study expand the availability of molecular crystals based on intermolecular interactions as porous materials, which are expected to work under conditions that have not been applicable to other molecule-based porous materials.","PeriodicalId":29793,"journal":{"name":"Precision Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/prechem.4c00036","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142276367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Recent Progress in Electrocatalytic Conversion of Lignin: From Monomers, Dimers, to Raw Lignin 木质素电催化转化的最新进展：从单体、二聚体到原始木质素

Precision Chemistry Pub Date : 2024-06-06 DOI: 10.1021/prechem.4c00024

Xiang Liu, Yeli Wang, Haohong Duan

引用次数: 0

Recent Progress in Electrocatalytic Conversion of Lignin: From Monomers, Dimers, to Raw Lignin 木质素电催化转化的最新进展：从单体、二聚体到原始木质素

Precision Chemistry Pub Date : 2024-06-06 DOI: 10.1021/prechem.4c0002410.1021/prechem.4c00024

Xiang Liu, Ye Wang and Haohong Duan*,

{"title":"Recent Progress in Electrocatalytic Conversion of Lignin: From Monomers, Dimers, to Raw Lignin","authors":"Xiang Liu, Ye Wang and Haohong Duan*, ","doi":"10.1021/prechem.4c0002410.1021/prechem.4c00024","DOIUrl":"https://doi.org/10.1021/prechem.4c00024https://doi.org/10.1021/prechem.4c00024","url":null,"abstract":"Lignin, as the second largest renewable biomass resource in nature, has increasingly received significant interest for its potential to be transformed into valuable chemicals, potentially contributing to carbon neutrality. Among different approaches, renewable electricity-driven biomass conversion holds great promise to substitute a petroleum resource-driven one, owing to its characteristics of environmental friendliness, high energy efficiency, and tunable reactivity. The challenges lie on the polymeric structure and complex functional groups in lignin, requiring the development of efficient electrocatalysts for lignin valorization with enhanced activity and selectivity toward targeted chemicals. In this Review, we focus on the advancement of electrocatalytic valorization of lignin, from monomers, to dimers and to raw lignin, toward various value-added chemicals, with emphasis on catalyst design, reaction innovation, and mechanistic study. The general strategies for catalyst design are also summarized, offering insights into enhancing the activity and selectivity. Finally, challenges and perspectives for the electrocatalytic conversion of lignin are proposed.","PeriodicalId":29793,"journal":{"name":"Precision Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/prechem.4c00024","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142276388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reconstruction of Gold Surface with Excessive Sulfur Source During Transition Metal Disulfide Growth 重建过渡金属二硫化物生长过程中硫源过多的金表面

Precision Chemistry Pub Date : 2024-06-05 DOI: 10.1021/prechem.4c0001810.1021/prechem.4c00018

Yuling Yin, Jia Li* and Feng Ding*,

{"title":"Reconstruction of Gold Surface with Excessive Sulfur Source During Transition Metal Disulfide Growth","authors":"Yuling Yin, Jia Li* and Feng Ding*, ","doi":"10.1021/prechem.4c0001810.1021/prechem.4c00018","DOIUrl":"https://doi.org/10.1021/prechem.4c00018https://doi.org/10.1021/prechem.4c00018","url":null,"abstract":"The inert gold substrate is one of the most commonly used substrates for synthesizing transition metal dichalcogenides (TMDCs), while the growth mechanism of TMDCs on gold substrates in a sulfur-rich environment is still unclear. Based on density functional theory calculations, we explored the reconstruction of the gold surface in a sulfur-rich environment, which is one of the conditions for the growth of TMDCs. We clearly revealed that both Au(100) and Au(111) surfaces tend to form metal sulfide buffer layers between TMDCs and the metallic substrate, which are the square pattern of Au4S4 on Au(100) surface and the hexagonal pattern of Au6S6 on Au(111) surface, respectively. In the sulfur-rich environment, both square and hexagonal patterns are energetically highly stable, greatly weakening the interaction between TMDCs and the substrate. Interestingly, both buffer layers inherit the symmetry of the substrate and thus have no significant effect on the growth behavior of TMDCs. This study explains many experimental puzzles and elucidates the growth behavior of 2D materials on various substrates.","PeriodicalId":29793,"journal":{"name":"Precision Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/prechem.4c00018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142075702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reconstruction of Gold Surface with Excessive Sulfur Source During Transition Metal Disulfide Growth 重建过渡金属二硫化物生长过程中硫源过多的金表面

Precision Chemistry Pub Date : 2024-06-05 DOI: 10.1021/prechem.4c00018

Yuling Yin, Jia Li, Feng Ding

引用次数: 0

Synthesis of Large-Sized van der Waals Layered MoO3 Single Crystals with Improved Dielectric Performance 合成具有更佳介电性能的大尺寸范德华层 MoO3 单晶体

Precision Chemistry Pub Date : 2024-05-21 DOI: 10.1021/prechem.4c00014

Yaqi Zhu, Beiming Yu, Xin Liu, Jialin Zhang, Zhuofeng Shi, Zhaoning Hu, Saiyu Bu, Chunhu Li, Xiaodong Zhang, Li Lin

引用次数: 0

Synthesis of Large-Sized van der Waals Layered MoO3 Single Crystals with Improved Dielectric Performance 合成具有更佳介电性能的大尺寸范德华层 MoO3 单晶体

Precision Chemistry Pub Date : 2024-05-21 DOI: 10.1021/prechem.4c0001410.1021/prechem.4c00014

Yaqi Zhu, Beiming Yu, Xin Liu, Jialin Zhang, Zhuofeng Shi, Zhaoning Hu, Saiyu Bu, Chunhu Li, Xiaodong Zhang* and Li Lin*,

{"title":"Synthesis of Large-Sized van der Waals Layered MoO3 Single Crystals with Improved Dielectric Performance","authors":"Yaqi Zhu, Beiming Yu, Xin Liu, Jialin Zhang, Zhuofeng Shi, Zhaoning Hu, Saiyu Bu, Chunhu Li, Xiaodong Zhang* and Li Lin*, ","doi":"10.1021/prechem.4c0001410.1021/prechem.4c00014","DOIUrl":"https://doi.org/10.1021/prechem.4c00014https://doi.org/10.1021/prechem.4c00014","url":null,"abstract":"The applications of two-dimensional semiconductors strictly require the reliable integration of ultrathin high-κ dielectric materials on the semiconductor surface to enable fine gate control and low power consumption. As layered oxide materials, MoO3 can be potentially used as a high-κ two-dimensional material with a larger bandgap and high electron affinity. In this work, relying on the oxidization of molybdenum chlorides, we have synthesized α-MoO3 single crystals, which can be easily exfoliated into flakes with thicknesses of a few nanometers and sizes of hundreds of micrometers and fine thermal stability. Based on measurement results of conventional metal/insulator/metal devices and graphene based dual-gate devices, the as-received MoO3 nanosheets exhibit improved dielectric performance, including high dielectric constants and competitive breakdown field strength. Our work demonstrates that MoO3 with improved crystalline quality is a promising candidate for dielectric materials with a large gate capacitance in future electronics based on two-dimensional materials.","PeriodicalId":29793,"journal":{"name":"Precision Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/prechem.4c00014","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142075708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structural Regulations of Layered Borates: From Centric Layers to Chiral Porous Layers 层状硼酸盐的结构规律：从中心层到手性多孔层

Precision Chemistry Pub Date : 2024-05-19 DOI: 10.1021/prechem.4c00010

Chong-An Chen, and , Guo-Yu Yang*,

{"title":"Structural Regulations of Layered Borates: From Centric Layers to Chiral Porous Layers","authors":"Chong-An Chen,  and , Guo-Yu Yang*, ","doi":"10.1021/prechem.4c00010","DOIUrl":"10.1021/prechem.4c00010","url":null,"abstract":"Three pentaborates were made by precise structural regulations under hydrothermal conditions, namely, K2Cs[B5O8(OH)]·0.5CO3 (1), KNa4Cs[B5O8(OH)]2·2OH (2), and NaBa[B5O8.5(OH)] (3). Compound 1 features the typical 2D layers constructed from the four-connected B5O10(OH) clusters. By adjustment of the reactants and pH values of the systems to remove interlayered CO32– groups, the centric layers in 1 were transformed to the chiral layers of 2. By further adjusting cationic templates based on host–guest charge matching, the B5O10(OH) cluster unit was transformed to B5O11(OH), which built the chiral porous layers of 3. The chiral compounds 2 and 3 exhibit moderate second harmonic generation (SHG) responses of 1.1 and 1.7 times that of KDP (KH2PO4). The structural regulations actualize the evolutions on both structural symmetries and dimensions.","PeriodicalId":29793,"journal":{"name":"Precision Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/prechem.4c00010","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141124087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Global Impact and Balancing Act: Deciphering the Effect of Fluorination on B 1s Binding Energies in Fluorinated h-BN Nanosheets 全球影响与平衡行动：解读氟化对氟化 h-BN 纳米片中 B 1s 结合能的影响

Precision Chemistry Pub Date : 2024-05-07 DOI: 10.1021/prechem.4c00007

Yang Xiao, Jun-Rong Zhang, Sheng-Yu Wang and Weijie Hua*,

{"title":"Global Impact and Balancing Act: Deciphering the Effect of Fluorination on B 1s Binding Energies in Fluorinated h-BN Nanosheets","authors":"Yang Xiao, Jun-Rong Zhang, Sheng-Yu Wang and Weijie Hua*, ","doi":"10.1021/prechem.4c00007","DOIUrl":"https://doi.org/10.1021/prechem.4c00007","url":null,"abstract":"X-ray photoelectron spectroscopy (XPS) is an important characterization tool in the pursuit of controllable fluorination of two-dimensional hexagonal boron nitride (h-BN). However, there is a lack of clear spectral interpretation, and seemingly conflicting measurements exist. To discern the structure–spectroscopy relation, we performed a comprehensive first-principles study on the boron 1s edge XPS of fluorinated h-BN (F-BN) nanosheets. By gradually introducing 1–6 fluorine atoms into different boron or nitrogen sites, we created various F-BN structures with doping ratios ranging from 1 to 6%. Our calculations reveal that fluorines landed at boron or nitrogen sites exert competitive effects on the B 1s binding energies (BEs), leading to red or blue shifts in different measurements. Our calculations affirmed the hypothesis that fluorination affects 1s BEs of all borons in the π-conjugated system, opposing the transferability from h-BN to F-BN. Additionally, we observe that BE generally increases with higher fluorine concentration when both borons and nitrogens are nonexclusively fluorinated. These findings provide critical insights into how fluorination affects boron’s 1s BEs, contributing to a better understanding of fluorination functionalization processes in h-BN and its potential applications in materials science.","PeriodicalId":29793,"journal":{"name":"Precision Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/prechem.4c00007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141474777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A General Synthesis Method for Covalent Organic Framework and Inorganic 2D Materials Hybrids 共价有机框架和无机二维材料混合物的通用合成方法

Precision Chemistry Pub Date : 2024-05-02 DOI: 10.1021/prechem.3c00118

Yifan Zhu, Yunrui Yan, Yuren Feng, Yifeng Liu, Chen-Yang Lin, Qing Ai, Tianshu Zhai, Bongki Shin, Rui Xu, Hongchen Shen, Qiyi Fang, Xiang Zhang, D. Bhagwandin, Yimo Han, Hanyu Zhu, N. Glavin, P. Ajayan, Qilin Li, Jun Lou

引用次数: 0