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Li B, Xie L, Wang Z, Chen S, Ren H, Chen Y, Wang C, Zhang G, Jiang J, Zou C. Electron–Proton Co‐doping‐Induced Metal–Insulator Transition in VO
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Film via Surface Self‐Assembled
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‐Ascorbic Acid Molecules. Angew Chem Int Ed Engl 2019; 58:13711-13716. [DOI: 10.1002/anie.201904148] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/08/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Bowen Li
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Liyan Xie
- Hefei National Laboratory for Physical Sciences at the MicroscaleCollaborative Innovation Center of Chemistry for Energy MaterialsCAS Center for Excellence in NanoscienceSchool of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Zhaowu Wang
- School of Physics and EngineeringHenan University of Science and TechnologyHenan Key Laboratory of Photoelectric Energy Storage Materials and Applications Luoyang Henan 471023 China
| | - Shi Chen
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Hui Ren
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Yuliang Chen
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Chengming Wang
- Hefei National Laboratory for Physical Sciences at the MicroscaleCollaborative Innovation Center of Chemistry for Energy MaterialsCAS Center for Excellence in NanoscienceSchool of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Guobin Zhang
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Jun Jiang
- Hefei National Laboratory for Physical Sciences at the MicroscaleCollaborative Innovation Center of Chemistry for Energy MaterialsCAS Center for Excellence in NanoscienceSchool of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Chongwen Zou
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
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Li B, Xie L, Wang Z, Chen S, Ren H, Chen Y, Wang C, Zhang G, Jiang J, Zou C. Electron–Proton Co‐doping‐Induced Metal–Insulator Transition in VO
2
Film via Surface Self‐Assembled
l
‐Ascorbic Acid Molecules. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904148] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Bowen Li
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Liyan Xie
- Hefei National Laboratory for Physical Sciences at the MicroscaleCollaborative Innovation Center of Chemistry for Energy MaterialsCAS Center for Excellence in NanoscienceSchool of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Zhaowu Wang
- School of Physics and EngineeringHenan University of Science and TechnologyHenan Key Laboratory of Photoelectric Energy Storage Materials and Applications Luoyang Henan 471023 China
| | - Shi Chen
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Hui Ren
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Yuliang Chen
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Chengming Wang
- Hefei National Laboratory for Physical Sciences at the MicroscaleCollaborative Innovation Center of Chemistry for Energy MaterialsCAS Center for Excellence in NanoscienceSchool of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Guobin Zhang
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
| | - Jun Jiang
- Hefei National Laboratory for Physical Sciences at the MicroscaleCollaborative Innovation Center of Chemistry for Energy MaterialsCAS Center for Excellence in NanoscienceSchool of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Chongwen Zou
- National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
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Cheng X, Gao Q, Li K, Liu Z, Liu Q, Liu Q, Zhang Y, Li B. Enhanced Phase Transition Properties of VO 2 Thin Films on 6H-SiC (0001) Substrate Prepared by Pulsed Laser Deposition. NANOMATERIALS 2019; 9:nano9081061. [PMID: 31344858 PMCID: PMC6723159 DOI: 10.3390/nano9081061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/13/2019] [Accepted: 07/21/2019] [Indexed: 11/16/2022]
Abstract
For growing high quality epitaxial VO2 thin films, the substrate with suitable lattice parameters is very important if considering the lattice matching. In addition, the thermal conductivity between the substrate and epitaxial film should be also considered. Interestingly, the c-plane of hexagonal 6H-SiC with high thermal conductivity has a similar lattice structure to the VO2 (010), which enables epitaxial growth of high quality VO2 films on 6H-SiC substrates. In the current study, we deposited VO2 thin films directly on 6H-SiC (0001) single-crystal substrates by pulsed laser deposition (PLD) and systematically investigated the crystal structures and surface morphologies of the films as the function of growth temperature and film thickness. With optimized conditions, the obtained epitaxial VO2 film showed pure monoclinic phase structure and excellent phase transition properties. Across the phase transition from monoclinic structure (M1) to tetragonal rutile structure (R), the VO2/6H-SiC (0001) film demonstrated a sharp resistance change up to five orders of magnitude and a narrow hysteresis width of only 3.3 °C.
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Affiliation(s)
- Xiankun Cheng
- School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China
| | - Qiang Gao
- School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China
| | - Kaifeng Li
- School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China
| | - Zhongliang Liu
- School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China.
| | - Qinzhuang Liu
- School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China
| | - Qiangchun Liu
- School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China
| | - Yongxing Zhang
- School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China
| | - Bing Li
- School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China
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Liu Y, Liu W, Li H, Yan W, Yang X, Liu D, Wang S, Zhang J. Two-photon fluorescent probe for detection of nitroreductase and hypoxia-specific microenvironment of cancer stem cell. Anal Chim Acta 2018; 1024:177-186. [PMID: 29776544 DOI: 10.1016/j.aca.2018.03.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 02/26/2018] [Accepted: 03/22/2018] [Indexed: 01/06/2023]
Abstract
Hypoxia plays a crucial role in cancer progression, and it has great significance for monitoring hypoxic level in biosystems. Cancer stem cells (CSCs) represent a small population of tumour cells that regard as the key to seed tumours. The survival of CSCs depend on the tumour microenvironment, which is distinct region has the hypoxic property. Therefore, the detection of the hypoxic CSC niche plays a pivotal role in the destructing the 'soil' of CSCs, and eliminating CSCs population. Numerous one-photon excited fluorescent probes have been developed to indicate the hypoxic status in tumours through the detection of nitroreductase (NTR) level. However, the biomedical application of one-photon fluorescent probes is limited due to the poor tissue penetration. In the present work, we reported a two-photon fluorescent probe to detect the NTR in CSCs and monitor the hypoxic microenvironment in vivo. The two-photon fluorescent molecular probe with a hypoxic specific response group can be reduced by NTR under hypoxic conditions. We used the two-photon probe to detect the hypoxia status of 3D cultured-CSCs in vitro and in vivo CSCs' microenvironment in tumour. The two-photon absorption cross section extends fluorescent excitation spectra to the near infrared region, which dramatically promotes the tissue penetration for hypoxic microenvironment detection of CSC in vivo.
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Affiliation(s)
- Yajing Liu
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding, 071002, China; College of Chemistry and Environmental Science, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding, 071002, China
| | - Wei Liu
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding, 071002, China; College of Chemistry and Environmental Science, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding, 071002, China
| | - Hongjuan Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding, 071002, China; College of Chemistry and Environmental Science, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding, 071002, China
| | - Weixiao Yan
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding, 071002, China; College of Chemistry and Environmental Science, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding, 071002, China
| | - Xinjian Yang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding, 071002, China; College of Chemistry and Environmental Science, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding, 071002, China
| | - Dandan Liu
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding, 071002, China; College of Chemistry and Environmental Science, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding, 071002, China.
| | - Shuxiang Wang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding, 071002, China; College of Chemistry and Environmental Science, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding, 071002, China.
| | - Jinchao Zhang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding, 071002, China; College of Chemistry and Environmental Science, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding, 071002, China.
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