Article
Biochemistry & Molecular Biology
Guoxiong Hua, Cameron L. Carpenter-Warren, David B. Cordes, Alexandra M. Z. Slawin, J. Derek Woollins
Summary: A series of N-aryl-N-(2-oxo-2-arylethyl) benzamides and cinnamides were prepared and reacted with Woollins' reagent to yield N-aryl-N-(arylenethyl) benzoselenoamides in good yields. Five representative single crystal X-ray structures were discussed in the study.
Article
Materials Science, Multidisciplinary
Qisheng Sun, Xinlong Yan, Siqi Chen, Jiangyan Yuan, Jing Li, Qingqing Luo, Ting Jiang, Zengqiang Gao, Hongyun Wang, Mingjian Yuan, Deyang Ji, Fan Yang, Xiaochen Ren, Xiaotao Zhang, Wenping Hu
Summary: Recently developed high-mobility 2,6-diphenylanthracene (2,6-DPA) facilitates the growth and fabrication of high-performance direct X-ray detectors (DXDs). Compared to traditional organic semiconducting crystals, 2,6-DPA exhibits low dark current density and large photoconductive gain, resulting in a record-breaking limit-of-detection and high sensitivity. 2,6-DPA is an ideal active material for DXDs and has potential for further optoelectronic applications.
Article
Chemistry, Multidisciplinary
Mingxi Chen, Lingjie Sun, Xiangyu Ou, Huanghao Yang, Xiaogang Liu, Huanli Dong, Wenping Hu, Xiangfeng Duan
Summary: Organic crystals show promising performance in low-dose X-ray imaging, with high resolution, sensitivity, and environmental stability.
ADVANCED MATERIALS
(2021)
Article
Multidisciplinary Sciences
Marina Abe, Ryo Suzuki, Keiichi Hirano, Haruhiko Koizumi, Kenichi Kojimaa, Masaru Tachibana
Summary: The growth of high-quality protein crystals is essential for protein structure analysis. Twisting is identified as one of the main residual defects in high-quality crystals, determining their perfection. The handedness of twisting may be attributed to the interaction of chiral protein molecules with asymmetric units in crystal forms. This study provides insights into the growth mechanism and control of high-quality crystals.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Chemistry, Multidisciplinary
Adrian Sanchis-Perucho, Marta Orts-Arroyo, Javier Camus-Hernandez, Carlos Rojas-Dotti, Emilio Escriva, Francesc Lloret, Jose Martinez-Lillo
Summary: Two novel Re-IV compounds have been synthesized using protonated ciprofloxacin antibiotic, showing unique supramolecular structures in their crystal lattice. The compounds exhibit typical magnetic behavior of noninteracting mononuclear Re-IV complexes, and may display the field-induced single-ion magnet (SIM) phenomenon.
Article
Chemistry, Physical
R. Sakunthaladevi, L. Jothi
Summary: An aromatic Schiff bases organic nonlinear optical single crystal of 4-methyl-4'-hydroxy benzylidene aniline (MHBA) was successfully grown by slow evaporation solution growth technique, and its structural and optical properties were characterized. The second harmonic generation productivity of MHBA is high, indicating it belongs to the family of soft materials.
JOURNAL OF MOLECULAR STRUCTURE
(2021)
Article
Nanoscience & Nanotechnology
Xuefeng Zhao, Zeen Zhao, Yingjun Chai, Yecheng Ding, Xiaoming Li, Zhibo Yan, Xinping Zhang, Guoliang Yuan, Junming Liu
Summary: The FA(x)MA(1-x)PbI(3) single crystal exhibits excellent semiconductor photoelectric performance and stability. The study reveals a high macroscopic piezoelectric coefficient within a specific composition range, and a phase transition occurs at x = 0.1-0.125. Using this finding, self-powered X-ray detectors with vertical structures were successfully fabricated, achieving high sensitivity and low detection limit.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Karthik Rajagopal, Saravanan Dhandayutham, Manivannan Nandhagopal, Mathivanan Narayanasamy
Summary: This research work successfully synthesized bis-benzimidazole derivatives using simple and eco-friendly reaction conditions and crystallization procedures. The structures of the compounds were determined using 1H NMR, 13C NMR, and mass spectroscopic techniques. Among these derivatives, compound 1c exhibited crystal nature as confirmed by single crystal X-ray study. The synthesized compounds were tested for antimicrobial activity against various human bacterial and fungal pathogens, and compound 1e demonstrated the best inhibitory effect with a minimum inhibitory concentration of 16 μg/mL against C. albicans. Molecular docking analysis further revealed that compound 1g had the best binding energy with fungal protein C. albicans.
JOURNAL OF MOLECULAR STRUCTURE
(2023)
Article
Chemistry, Inorganic & Nuclear
Vishwesh Mishra, Nitish Kumar Sinha, Natesan Thirupathi
Summary: By reacting with Hg(OC(O)CF3)(2), separate reactions of cycloplatinated 2-tolyl- and 2-anisylguanidine complexes yielded a one-dimensional coordination polymer and a discrete tetrametallic complex with different structures and properties. The formation mechanisms and structural characteristics of these products were explained in detail, with important characterization information provided by multinuclear NMR spectroscopy and single-crystal X-ray diffraction studies.
INORGANIC CHEMISTRY
(2021)
Article
Biochemistry & Molecular Biology
Katharigatta N. Venugopala, Sandeep Chandrashekharappa, Pran Kishore Deb, Christophe Tratrat, Melendhran Pillay, Deepak Chopra, Nizar A. Al-Shar'i, Wafa Hourani, Lina A. Dahabiyeh, Pobitra Borah, Rahul D. Nagdeve, Susanta K. Nayak, Basavaraj Padmashali, Mohamed A. Morsy, Bandar E. Aldhubiab, Mahesh Attimarad, Anroop B. Nair, Nagaraja Sreeharsha, Michelyne Haroun, Sheena Shashikanth, Viresh Mohanlall, Raghuprasad Mailavaram
Summary: A series of 1,2,3-trisubstituted indolizines were screened for anti-tubercular activity, showing effectiveness against susceptible and multidrug-resistant strains. In silico docking study identified potential molecular targets for the indolizines, while safety studies demonstrated their non-toxic nature. The findings suggest that these compounds could serve as promising inhibitors for combating drug-sensitive and drug-resistant MTB strains.
JOURNAL OF ENZYME INHIBITION AND MEDICINAL CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Fan Hu, Wenbo Hao, David Mucke, Qingyan Pan, Zhibo Li, Haoyuan Qi, Yingjie Zhao
Summary: A submillimeter-sized two-dimensional polymer (2DP) single crystal, synthesized through single-crystal to single-crystal transformation based on photochemical [2 + 2]-cycloaddition, exhibited efficient exfoliation to yield solution-like samples with large monolayers. This achievement opens up new prospects for studying the basic properties and applications of 2DPs.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Xiaojun Li, Shilong Zhang, Wangqiao Chen, Hongjing Han, Meizhen Qiu, Jiawen Chen, Qichun Zhang
Summary: A series of n-type organic semiconductor materials based on pyrene imide were successfully synthesized and their optical, electrochemical properties, and self-assembly behaviors were studied. Different conjugation degree or alkyl group significantly influenced the self-assembly morphology of these materials. Changes in conjugated backbone and functional group affected crystal lattice parameters and resulted in different self-assembly morphologies.
CHEMISTRY-A EUROPEAN JOURNAL
(2022)
Article
Materials Science, Multidisciplinary
Ying Wang, Jiarong Yao, Shuaishuai Ding, Siyu Guo, Dapeng Cui, Xinyue Wang, Shuyuan Yang, Lijuan Zhang, Xinzi Tian, Di Wu, Chao Jin, Rongjin Li, Wenping Hu
Summary: Research on organic single crystals grown on a liquid substrate and used to construct single-crystalline OSVs revealed high magnetoresistance responses and spin transport properties. A magnetoresistance value as high as 17% was measured with an intermediate layer thickness of 269 nm. Spin transport was observed in single crystals up to a thickness of 457 nm, much larger than that of polycrystalline thin films.
SCIENCE CHINA-MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Jorge Albalad, Christopher J. Sumby, Daniel Maspoch, Christian J. Doonan
Summary: Metal-organic frameworks (MOFs) have advanced in various chemical sectors due to their crystalline nature and diverse combination of building units. The use of single crystal X-ray diffraction (SCXRD) allows for understanding the molecular-level characteristics and chemical changes of MOFs, providing important references for the future applications of MOFs.
Article
Chemistry, Multidisciplinary
Ting-Ting Ying, Yun-Zhi Tang, Yu-Hui Tan, Yi-Ran Zhao, Jia-Ying Wang, Ming-Yang Wan, Fang Xin Wang, Xiao Wei Fan, Yu Kong Li
Summary: This study reports a single-component organic enantiomeric phase transition material that exhibits high-temperature reversible phase transitions and excellent dielectric switching properties. The two enantiomers display similar physical and chemical properties, including high structural phase transition temperatures, step-like dielectric anomalies, and flexible dielectric switching properties.
CRYSTAL GROWTH & DESIGN
(2022)
Review
Physics, Applied
Yang Xiang, Xindi Mo, Xing Li, Keqing Huang, Pei He, Guozhang Dai, Junliang Yang
Summary: This review systematically summarizes the growth of metal halide perovskite thin films and nano-/microstructures by vapor-phase synthesis. It introduces the classification of vapor-phase synthesis and discusses the effects of substrates on the growth process. The applications of perovskite thin films and nano-/microstructures grown by vapor-phase synthesis in optoelectronic devices are also discussed in detail.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2022)
Article
Physics, Condensed Matter
Cheng-Sheng Liao, Biao Liu, Jun-Liang Yang, Meng-Qiu Cai
Summary: In this study, we investigated the geometric and electronic structures of PtSe2/Cs2PbI4 heterostructure and found that its electronic properties can be tuned by adjusting the layer number and external strains. The heterostructure based on Cs2PbI4 monolayer and PtSe2 monolayer showed a type-II band alignment, which is suitable for photovoltaic applications. Increasing the layer number of PtSe2 in the heterostructure switched the band alignment from type-II to type-I, making it beneficial for luminescence device applications. However, further increasing the thickness of PtSe2 to trilayer resulted in a metallic characteristic with a p-type Schottky barrier. Furthermore, we found that strain engineering can effectively tune the electronic properties of PtSe2/Cs2PbI4 heterostructures with different thickness. These findings highlight the potential of PtSe2/Cs2PbI4 heterostructure as a tunable hybrid material for multi-functional applications.
JOURNAL OF PHYSICS-CONDENSED MATTER
(2023)
Article
Optics
Xiaolu Hu, Quanlong Yang, Lingli Ba, Junliang Yang
Summary: Near-perfect light harvesting can be achieved with a metasurface-based absorber, which has numerous potential applications in sensing, cloaking, and photovoltaics. In this study, a reconfigurable perfect absorber based on a MoTe2 hybrid metasurface at terahertz frequency is presented. The optical response of the metasurface-based absorber shows a reconfigurable switching from dual-frequency perfect absorption to a new single-frequency absorption when illuminated by light. The absorption mechanism of the hybrid metasurface is well demonstrated with the analytical coupled-dipole model and impedance analysis. The proposed reconfigurable THz meta-absorber provides a new route for active radar stealth, frequency-selective detection, and next-generation wireless communication.
Article
Chemistry, Multidisciplinary
Junjie Zhou, Hang Li, Liguo Tan, Yue Liu, Junliang Yang, Ruimao Hua, Chenyi Yi
Summary: Novel organic hole transport materials (HTMs), named T3, with high hole mobility, good band alignment and ease of fabrication, are designed and synthesized. The fluorine-substituted T3 (T3-F) exhibits the best band alignment and hole extraction properties, resulting in perovskite solar cells (PSCs) with outstanding power conversion efficiencies (PCEs) of 24.85% and 24.03% for aperture areas of 0.1 and 1 cm², respectively. The simple structure and tunable performance of T3 inspire further optimization for efficient PSCs.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Physics, Applied
Ling-Yu Pan, Biao Liu, Junliang Yang, Shuang-Feng Yin, Meng-Qiu Cai
Summary: In this study, the electronic properties of 2D ferroelectric heterostructure were investigated using first-principle calculations. It was found that the heterostructure switched from traditional type-II to S-type when the ferroelectric polarization was reversed, leading to improved photocatalytic activity. This work highlights the significance of ferroelectric polarization for charge transfer and provides theoretical guidance for designing high-performance S-type photocatalysts.
APPLIED PHYSICS LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Rahul Prakash, Md Faizul Islam, Rajeen Madawa Kothalawala, Muhammad Saddam Hossain, Mark D. Smith, Linda S. Shimizu
Summary: In this study, the hydrogen bond-driven self-assembly of a triphenylamine (TPA) bis-urea macrocycle in the presence and absence of guests was investigated. The assembly behavior and structural characteristics were analyzed using various spectroscopic and microscopy techniques. The results indicate that the function and utility of these supramolecular systems can be modulated by the selection of suitable monomers.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Article
Engineering, Electrical & Electronic
Xianghui Zeng, Minglu Hu, Pei He, Weikai Zhao, Sihan Dong, Xiaowen Xu, Guozhang Dai, Jia Sun, Junliang Yang
Summary: This article introduces a method using heat transfer printing technology to create robust conductive patterns on fabric substrates, resulting in a high conductivity and durable carbon-based electronic textile. The sensor can accurately reflect different degrees of finger bending and works well in waterproof situations. Additionally, five sensors were integrated into a fabric glove, which, combined with machine learning, can recognize 8 different gestures with an average accuracy of 96.58%.
IEEE ELECTRON DEVICE LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Yunchao Xu, Yiming Shi, Chuan Qian, Pengshan Xie, Chenxing Jin, Xiaofang Shi, Gengming Zhang, Wanrong Liu, Changjin Wan, Johnny C. Ho, Jia Sun, Junliang Yang
Summary: In this study, a novel optically readable organic electrochemical synaptic transistor (OR-OEST) strategy is proposed. The electrochemical doping mechanism of the device is systematically investigated, and basic biological synaptic behaviors that can be read by optical means are successfully achieved. The flexible OR-OESTs can electrically switch the transparency of semiconductor channel materials in a nonvolatile manner, enabling multilevel memory through optical readout. Moreover, the OR-OESTs are applied for preprocessing photonic images, such as contrast enhancement and denoising, and achieve a recognition rate of over 90% when fed into an artificial neural network.
Article
Chemistry, Multidisciplinary
Hengyue Li, Xiangxiang Feng, Keqing Huang, Siyuan Lu, Xinyue Wang, Erming Feng, Jianhui Chang, Caoyu Long, Yuanji Gao, Zhihui Chen, Chenyi Yi, Jun He, Junliang Yang
Summary: A facile and robust deposition technique, doctor-blading, is used to efficiently fabricate high-quality perovskite solar cells (PSCs) under a wide range of humidity. By combining an ionic liquid and molecular additives, the morphology and crystallization process of the perovskite film are modulated, resulting in large-size crystal, low defect density, and ultrasmooth surface. The achieved power conversion efficiency (PCE) of 20.34% for doctor-bladed PSCs is the highest reported for one-step solution-processed PSCs without antisolvent assistance.
Article
Chemistry, Multidisciplinary
Jiaxin Wan, Hua Yuan, Zhixing Xiao, Jia Sun, Yongyi Peng, Dou Zhang, Xi Yuan, Jidong Zhang, Zhuan Li, Guozhang Dai, Junliang Yang
Summary: Two-dimensional (2D) Ruddlesden-Popper (RP) layered halide perovskite with asymmetric crystal structure and spontaneous polarization generated by inserting organic cations shows excellent optoelectronic properties, and is used to fabricate 2D RP polycrystalline perovskite films and pyro-phototronic devices for temperature and light detection. The pyro-phototronic effect greatly improves the performance of the photodetectors, with higher current, responsivity, detectivity, and on/off ratio compared to the photovoltaic effect. The study also explores the influence of bias voltage, light power density, and frequency on the pyro-phototronic effect of 2D RP perovskite devices.
Article
Chemistry, Physical
Xiaofang Shi, Wanrong Liu, Yunchao Xu, Chenxing Jin, Gengming Zhang, Yiming Shi, Han Huang, Jia Sun, Junliang Yang
Summary: An artificial skin nociceptor based on UV-selective C8-BTBT phototransistors was developed in this study. The devices showed a high photo-dark current ratio and exhibited biological synaptic behaviors under UV light stimuli. The minimum power consumption per synaptic event was comparable to that of biological synapses. The potential applications of the skin-inspired nociceptor in bionic electronics technology were demonstrated.
Article
Materials Science, Multidisciplinary
Huayan Xia, Lihong Li, Mei Fang, Tim S. Jones, Junliang Yang
Summary: This study reports on the molecular-orientation-dependent magnetic properties of FePc thin films and microwires. The ability to control molecular orientation and ferromagnetism in FePc thin films and microwires makes them promising candidates for flexible spintronic devices.
ORGANIC ELECTRONICS
(2023)
Article
Materials Science, Multidisciplinary
Xue Bai, Erming Feng, Hengyue Li, Jingbo Guo, Xiaoming Yuan, Huan Liu, Qun Luo, Yingguo Yang, Changqi Ma, Chenyi Yi, Zijian Zheng, Junliang Yang
Summary: Organic solar cells are cost-effective and flexible, and the addition of 1,4-difluorobenzene improves their structure and performance parameters, leading to enhanced efficiency.
ORGANIC ELECTRONICS
(2023)
Article
Chemistry, Inorganic & Nuclear
Gregory Morrison, Lakshani W. Masachchi, Hunter B. Tisdale, Tieyan Chang, Virginia G. Jones, K. Pilar Zamorano, Logan S. Breton, Mark D. Smith, Yu-Sheng Chen, Hans-Conrad zur Loye
Summary: Single crystals of A(3)MF(6) (A = Rb, Cs; M = Al, Ga) were grown from mixed alkali chloride/fluoride fluxes in sealed silver tubes. Multiple polymorphs were observed at room temperature for Cs3AlF6 and Cs3GaF6, while only one polymorph was observed for the Rb-containing compositions. High temperature behavior of A(3)MF(6) was studied using simultaneous TGA/DSC and high temperature SCXRD/PXRD, revealing structure transitions to the cubic structure type, c-A(3)MF(6), for all four compositions.
DALTON TRANSACTIONS
(2023)
Article
Chemistry, Multidisciplinary
Yunchao Xu, Gengming Zhang, Wanrong Liu, Chenxing Jin, Yiling Nie, Jia Sun, Junliang Yang
Summary: In this study, a simple method was used to fabricate flexible multi-terminal photoelectronic neurotransistors, which exhibited excellent electrical stability and mechanical flexibility after being bent. Basic photoelectronic synaptic behavior and pulse-dependent plasticity were emulated, and the device realized spatiotemporally integrated electrical and optical stimuli to mimic spatiotemporal information processing.