Article
Materials Science, Multidisciplinary
Tengfei Liu, Guangchao Yin, Ziqi Song, Jingkun Yu, Xue Yong, Baowei Zhang, Lin Ai, Siyu Lu
Summary: In this study, four chlorosalicylaldehyde-functionalized carbon dots (CDs) with solid-state fluorescence were prepared via molecular self-assembly. The CDs emitted light at wavelengths ranging from 456 to 584 nm, covering the blue to yellow range. The position of the chlorine atom on the aromatic core of chlorosalicylaldehyde affected the conjugation and molecular orbital energy levels of the CDs, resulting in the observed emission. The self-assembly process exhibited isomeric effects and the multicolor luminescence of the CDs makes them potentially useful in light-emitting diodes and fingerprint detection.
ACS MATERIALS LETTERS
(2023)
Article
Materials Science, Multidisciplinary
Tengfei Liu, Guangchao Yin, Ziqi Song, Jingkun Yu, Xue Yong, Baowei Zhang, Lin Ai, Siyu Lu
Summary: In this study, chlorosalicylaldehyde-functionalized carbon dots (CDs) with solid-state fluorescence were prepared via molecular self-assembly. The position of chlorine on the aromatic core of chlorosalicylaldehyde affected the coplanarity and degree of conjugation of the CDs, thereby adjusting their emission wavelengths. The self-assembly process showed distinct isomeric effects, resulting in different morphologies. The multicolor luminescence of the CDs makes them potential candidates for light-emitting diodes, fluorescent films, and fingerprint detection.
ACS MATERIALS LETTERS
(2023)
Article
Chemistry, Analytical
Chang Guo, Qiangqiang Nie, Suying Xu, Leyu Wang
Summary: Dual-modal imaging systems can provide complementary information by developing F-19-grafted fluorescent carbonized polymer dots, which enable fluorescence imaging and F-19 MRI simultaneously, showing great potential for biological imaging and early diagnosis applications.
ANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Pengfei Feng, Xiaoxi Yang, Xiaoxia Feng, Guodong Zhao, Xiaochen Li, Jing Cao, Yu Tang, Chun-Hua Yan
Summary: In this study, inorganic perovskite quantum dots were modified with rare-earth complexes to improve stability and functionality. Density functional theory calculations showed that the adsorption energy of the complexes to the dots was higher than traditional ligands, contributing to stability improvement. The modified dots exhibited temperature and pH dual-response properties and could be utilized for enhancing the security of encrypted information.
Article
Chemistry, Analytical
Juan Yang, Dongmiao Qin, Na Wang, Yusheng Wu, Kanjun Fang, Biyang Deng
Summary: A novel sandwich electrochemiluminescence biosensor was developed for the sensitive detection of Afl42 using aggregation-induced electrochemiluminescence resonance energy transfer. The biosensor utilized silver nanoparticle-functionalized zinc metal-organic framework as the ECL donor and gold nanoparticle-functionalized zirconium organic framework as the acceptor. The method exhibited a linear detection range of 10 fg/mL to 100 ng/mL and a detection limit of 2.4 fg/mL. It also demonstrated good stability, repeatability, and specificity, making it a promising tool for disease biomarker detection.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Physical
Mattia Salomone, Michele Re Fiorentin, Giancarlo Cicero, Francesca Risplendi
Summary: The study analyzes the stability and electronic properties of an InSe monolayer with point defects, showing the presence of deep defect states within the band gap. It predicts that Ge as a substitution impurity of Se could be a promising material for single-photon emitters due to its optical properties and strongly peaked spectrum in the near-infrared.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2021)
Article
Chemistry, Physical
Anastasiia V. Sokolova, Nikita V. Tepliakov, Azat O. Ismagilov, Danila A. Tatarinov, Alexey A. Kalinichev, Aleksandra V. Koroleva, Evgeniy V. Zhizhin, Mikhail A. Baranov, Elena V. Ushakova, Aleksandr P. Litvin
Summary: Perovskite nanocrystals are highly efficient optical materials in the visible spectral range. By doping Yb3+ ions, the efficiency can be extended to the near-infrared (NIR) region, opening up new possibilities for optoelectronics, photonics, and biomedicine applications.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Physics, Multidisciplinary
Zhiyuan Qian, Zhichao Li, He Hao, Lingxiao Shan, Qi Zhang, Jianwen Dong, Qihuang Gong, Ying Gu
Summary: This paper proposes a mechanism of mode coupling led by edge states under topological protection, explaining the phenomenon of absorption reduction in topological photonic structures. By designing topological photonic structures, a significant increase in the rate of nonscattering single photons can be achieved, providing practical applications for on-chip quantum light sources.
PHYSICAL REVIEW LETTERS
(2021)
Article
Multidisciplinary Sciences
Artem N. Abramov, Igor Y. Chestnov, Ekaterina S. Alimova, Tatiana Ivanova, Ivan S. Mukhin, Dmitry N. Krizhanovskii, Ivan A. Shelykh, Ivan V. Iorsh, Vasily Kravtsov
Summary: By using local deformation of monolayer WSe2, we have successfully created high-purity single-photon emitters. Through nanoindentation and atomic force microscopy, we have identified the single-photon emitting sites and reconstructed the details of the surrounding local strain potential. The experimental results suggest that the single-photon emission is likely due to strain-induced spectral shift of dark excitonic states and their hybridization with localized states of individual defects.
NATURE COMMUNICATIONS
(2023)
Article
Optics
Yaoyao Yang, Xiao Min, Mengzhu Hu, Bingfa Liu, Yuheng Wu, Yuansheng Wu, Lixin Yu
Summary: In this study, dual photoluminescence carbon quantum dots were obtained using phenylenediamines and phosphorus acid with a one-step hydrothermal method. Tunable optical properties of CQDs can be achieved by changing the reaction temperature, carbon sources, and the surrounding pH value.
Article
Chemistry, Physical
Dongjie Tian, Zhiwei Lai, Han Xu, Fangyuan Lin, Yaqi Jiang, Yipeng Huang, Shuya Wang, Yuting Cai, Jingwen Jin, Rong-Jun Xie, Xi Chen
Summary: This study successfully synthesized OMHs with different dimensions through the design of different organic cations and anion exchange. The analysis of crystal structures confirmed the importance of the interaction between organic cations and metal octahedra. Additionally, the tunable emission properties of the 1D-OMH 3 under varying excitation wavelengths were demonstrated.
CHEMISTRY OF MATERIALS
(2022)
Article
Engineering, Environmental
Mohanraj Jagannathan, Durgalakshmi Dhinasekaran, Prabha Soundharraj, Saravanan Rajendran, Dai-Viet N. Vo, Aruna Prakasarao, Singaravelu Ganesan
Summary: This study demonstrates the facile synthesis of white light-emitting carbon quantum dots from corncob using a hydrothermal method, showing high photoluminescence intensity and stability over time. The presence of Si and N impurities in the biomass contributes to the high quantum yield and enhanced lifetime of the quantum dots. These carbon quantum dots exhibit high sensitivity towards various substances in fluorescence sensing, with potential applications in optical sensor development. Additionally, flexible white light-emitting sheets fabricated from the carbon quantum dots display uniform brightness, good color reproducibility, and increased stability under UV light excitation.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Physics, Applied
Songyan Yuan, Yuhang Sheng, Cihui Liu, Liyan Yu, Lifeng Dong, Fangjian Xing, Jinlei Zhang, Yunsong Di, Zhixing Gan
Summary: A self-assembly approach is developed to construct flexible photonic crystals that enhance the fluorescence of perovskite nanocrystals, providing a sensitive, reversible, and reliable optical response to mechanical deformations for the development of a strain gauge and intelligent skin. The sensing resolution on tensile strain can reach as high as 0.25% assuming a 1% variation of the photoluminescence intensity can be reliably distinguished by a spectrometer.
APPLIED PHYSICS LETTERS
(2021)
Article
Chemistry, Physical
Hurriyet Yuce, Mukunda Mandal, Yenal Yalcinkaya, Denis Andrienko, Mustafa M. Demir
Summary: This study investigates the effect of B-site doping on the optoelectronic properties of CsPbX3 nanocrystals and finds that a small percentage of Sr2+ doping remarkably improves the photoluminescence quantum yield of perovskite nanocrystals and increases the luminous efficiency of white light-emitting diodes.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Physics, Multidisciplinary
H. Wu, R. Richaud, J. -M. Raimond, M. Brune, S. Gleyzes
Summary: Circular Rydberg states have large mutual interactions and long lifetimes, but these lifetimes are cancelled by blackbody radiation-induced transfers at room temperature. In this study, we demonstrate a room-temperature lifetime of over 1 millisecond for a circular state with a principal quantum number of 60 in a laser-cooled atomic sample. This is achieved by using a simple plane-parallel capacitor that efficiently inhibits the blackbody radiation-induced transfers and provides large optical access to the atoms.
PHYSICAL REVIEW LETTERS
(2023)
Article
Chemistry, Inorganic & Nuclear
Guan Wang, Yikun Wang, Ruru Meng, Yangyang Zhang, Yanmei Xing, Xiangxing Xu, Jingyang Niu
DALTON TRANSACTIONS
(2018)
Article
Materials Science, Multidisciplinary
Ruru Meng, Qian Li, Guan Wang, Jingyang Niu
MATERIALS CHEMISTRY AND PHYSICS
(2018)
Article
Chemistry, Multidisciplinary
Guan Wang, Jianwei Ji, Chengdong Li, Linwei Yu, Weikuan Duan, Wei Wei, Xiaozeng You, Xiangxing Xu
CHEMICAL COMMUNICATIONS
(2014)
Article
Multidisciplinary Sciences
Guan Wang, Jianwei Ji, Xinwen Zhang, Yan Zhang, Qiangbin Wang, Xiaozeng You, Xiangxing Xu
SCIENTIFIC REPORTS
(2014)
Article
Chemistry, Inorganic & Nuclear
Ruru Meng, Xiaomei He, Jingjing Chen, Jing Yang, Guan Wang
JOURNAL OF CLUSTER SCIENCE
(2019)
Article
Chemistry, Inorganic & Nuclear
Yachun Ma, Junjun Sun, Chen Li, Nan Li, Pengtao Ma, Dongdi Zhang, Guan Wang, Jingyang Niu
INORGANIC CHEMISTRY COMMUNICATIONS
(2019)
Article
Chemistry, Inorganic & Nuclear
Ningning Guo, Ning Liu, Ruru Meng, Tingting Song, Yaohua Lu, Guan Wang
INORGANIC AND NANO-METAL CHEMISTRY
(2020)
Article
Chemistry, Multidisciplinary
Mengyuan Cheng, Yufeng Liu, Nan Li, Jingwen Shi, Weixin Du, Dongdi Zhang, Guoping Yang, Guan Wang, Jingyang Niu
Summary: This study presents the synthesis and catalytic properties of two novel telluroniobates, {Te15Nb21} and {Te10Nb14}. Both clusters demonstrate excellent catalytic activity in the amidation reactions, enabling the controllable synthesis of cyclic imides and bi-amides. This represents a breakthrough in the catalysis of polyoxoniobates.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Inorganic & Nuclear
Niuniu Zhang, Xia Wu, Kangjia Lv, Yujie Chu, Guan Wang, Xiao-Peng Sun
Summary: A series of Fe3O4/POMs composites with controllable morphology and size were successfully synthesized. The composites exhibited antiferromagnetic interactions and catalytic activity for the photodegradation of RhB solution. The study not only enriched the diversity of POM-based materials but also provided a new strategy for the development of magnetic POM catalysts.
INORGANIC AND NANO-METAL CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Niuniu Zhang, Xia Wu, Kangjia Lv, Yujie Chu, Haimei Qin, Dongdi Zhang, Guan Wang, Jingyang Niu
Summary: Niobate nanosheets have attracted widespread interest for their potential in catalysis, and researchers have successfully fabricated a 2D CdS/Au/HNb3O8 catalyst with efficient photocatalytic properties. This catalyst exhibits enhanced performance in hydrogen evolution, self-coupling reactions, and dye degradation compared to bare HNb3O8 nanosheets. The improvements are attributed to the efficient migration and separation of charge carriers, as well as the surface plasma resonance effect of gold nanoparticles.
CHEMISTRY-A EUROPEAN JOURNAL
(2022)
Article
Chemistry, Physical
Niuniu Zhang, Xia Wu, Kangjia Lv, Yujie Chu, Guan Wang, Dongdi Zhang
Summary: KTaO3 cubes were prepared by hydrothermal synthesis, followed by loading of Au nanoparticles on the cubes by photodeposition, and modification of CdS quantum dots on Au/KTaO3 cubes using an in situ growth method. The resulting ternary system photocatalysts exhibited superior photocatalytic properties in hydrogen evolution and dye degradation. The photocatalytic hydrogen evolution rate of the optimized CdS/Au/KTaO3 composite was 2.892 mmol g(-1) h(-1), which was significantly enhanced compared to bare KTaO3 and CdS.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2023)
Article
Chemistry, Inorganic & Nuclear
Shixian Liu, Ningning Guo, Xia Wu, Niuniu Zhang, Yunping Li, Guan Wang
Summary: A series of POMs/CdTe nanocomposites with tunable photoluminescence properties were successfully synthesized, where PW12/CdTe showed emission wavelength shifts controlled by the CdTe:PW12 molar ratio. The electron acceptance ability of POMs was found to be a new method to control light emission from QDs, with potential applications in bioimaging, fluorescent probes, light-emitting diodes, and photodetectors.
INORGANIC AND NANO-METAL CHEMISTRY
(2022)
Article
Nanoscience & Nanotechnology
Ning Liu, Ningning Guo, Lin Sun, Shixian Liu, Guan Wang, Yuan Zhao
NANOSCALE RESEARCH LETTERS
(2020)
Article
Chemistry, Multidisciplinary
Guan Wang, Ruru Meng, Jing Yang, Xiaomei He, Jingjing Chen, Dongdi Zhang, Xiangxing Xu, Jingyang Niu
CHEMICAL COMMUNICATIONS
(2019)
Article
Materials Science, Multidisciplinary
Mengjiao Dong, Liyun Liao, Chensheng Li, Yingxiao Mu, Yanping Huo, Zhong-Min Su, Fushun Liang
Summary: This study investigates the influence of the polarity of polymer matrices on persistent room-temperature phosphorescence (pRTP). It is discovered that intense phosphorescence emission can be achieved in highly polar matrices such as polyacrylic acid (PAA). The dipole-dipole interaction between the polar fluorophore and polar matrix is proposed to stabilize the excited state and facilitate the generation of efficient room-temperature phosphorescence emissions.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Han-Jiang Yang, Weijia Xiang, Xiangzhou Zhang, Jin-Yun Wang, Liang-Jin Xu, Zhong-Ning Chen
Summary: This article reports a 2D copper(I)-based cluster material for X-ray imaging, which exhibits ultra-high spatial resolution, high photoluminescence efficiency, and low detection limit. The material shows excellent linear response to X-ray dose rates and light output, and has the best spatial resolution among reported lead-free metal halide hybrids.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Review
Materials Science, Multidisciplinary
Taek Joon Kim, Sang-hun Lee, Dayeong Kwon, Jinsoo Joo
Summary: Donor-acceptor heterostructures using organic-inorganic halide perovskites, two-dimensional transition metal dichalcogenides, pi-conjugated organic small/macro molecules, and quantum dots are promising platforms for exciton-based photonics and optoelectronics. Hetero-interlayer excitons and hetero-intermolecular excitons formed through optical and/or electrical charge transfer in various heterostructures are important quasi-particles for light emission, detection, and harvesting systems.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Liemao Cao, Xiaohui Deng, Zhen-kun Tang, Rui Tan, Yee Sin Ang
Summary: We investigate the interface properties between WSi2N4 and Mo2B, O-modified Mo2B, and OH-modified Mo2B nanosheets. We find that WSi2N4 and Mo2B form n-type Schottky contacts, while functionalizing Mo2B with O and OH leads to the formation of both n-type and p-type ohmic contacts with WSi2N4. Additionally, we demonstrate the emergence of quasi-ohmic contact with ultralow lateral Schottky barrier and zero vertical interfacial tunneling barriers in Mo2B(OH)2-contacted WSi2N4.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Ga Eun Kim, Hae-Jin Kim, Heesuk Jung, Minwoo Park
Summary: This study presents a solution to the commercialization challenges of flexible LEDs based on MAPbBr(3) by incorporating polyurethane and an In-Ga-Zn-Sn liquid alloy. The designed devices showed high flexibility, efficiency, and durability, with improved electron injection and reduced defects, making them promising for next-generation displays.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Tao Shen, Zeng Wu, Zhen Jiang, Dongsheng Yan, Yan Zhao, Yang Wang, Yunqi Liu
Summary: Sidechain engineering is an important molecular design strategy for tuning the solid-state packing and structural ordering of conjugated polymers. The effects of sidechain direction on the optoelectronic properties of polymers and device performance were systematically investigated in this study. The results demonstrate that tuning the sidechain substitution direction can effectively improve the molecular structure and light absorption properties of polymers, providing new insights for the rational design of functional polymers.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Lotte Clinckemalie, Bapi Pradhan, Roel Vanden Brande, Heng Zhang, Jonathan Vandenwijngaerden, Rafikul Ali Saha, Giacomo Romolini, Li Sun, Dirk Vandenbroucke, Mischa Bonn, Hai I. Wang, Elke Debroye
Summary: In this study, a facile strategy using a non-conductive polymer was proposed to fabricate stable, pinhole-free thick films. The effect of introducing a second phase into CsPbBr3 perovskite crystals on their photophysical properties and charge transport was investigated. The dual phase devices exhibited improved stability and more effective operation at higher voltages in X-ray detection.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Jingye Zou, Shenglan Hao, Pascale Gemeiner, Nicolas Guiblin, Omar Ibder, Brahim Dkhil, Charles Paillard
Summary: When rare-earth ions are embedded in a ferroelectric material, their photoluminescence can serve as an all-optical probe for temperature, electric field, and mechanical stimulus. However, the impact of ferroelectric phase transitions on photoluminescence is not well understood. In this study, we demonstrate changes in the photoluminescence of green emission bands during critical ferroelectric transitions in an Er-doped BaTiO3 material. We also find that the intensity ratio and wavelength position difference of sub-peaks provide information on the phase transitions.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Jiangchao Han, Daming Zhou, Wei Yang, Chen Lv, Xinhe Wang, Guodong Wei, Weisheng Zhao, Xiaoyang Lin, Shengbo Sang
Summary: Rare type-II spin-gapless semiconductors (SGSs) have attracted increasing attention due to their unique spin properties. In this study, the interface contacts and spin transport properties of different devices composed of VSi2P4 ferromagnetic layers were investigated. The results show that VSi2P4 is a promising material for designing vertical van der Waals heterostructures with a giant tunnel magnetoresistance (TMR) in spintronic applications.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Tianqi Zhao, Renagul Abdurahman, Qianting Yang, Ruxiangul Aiwaili, Xue-Bo Yin
Summary: In this study, we designed and prepared Cr and Ba-doped gamma-Ga2O3 nanoparticles to achieve near-infrared emission and enhance the emission intensity. The emission mechanism was proposed based on the trap depth, band gap, and energy levels of Cr ions. The ratiometric temperature sensing and encryption information transfer demonstrated the potential applications of this technology.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Shuvankar Gupta, Jyotirmoy Sau, Manoranjan Kumar, Chandan Mazumdar
Summary: In this study, a new spin-gapless semiconductor material CoFeMnSn is reported, and its stable structure and spin-polarized band structure are determined through experimental realization and theoretical calculations. The compound exhibits a high ferromagnetic transition temperature, making it excellent for room temperature applications. The nearly temperature-independent resistivity, conductivity, and carrier concentration of the compound, adherence to the Slater-Pauling rule, and the high intrinsic anomalous Hall conductivity achieved through hole doping further confirm its spin-gapless semiconductor nature. Additionally, the compound's SGS and topological properties make it suitable for spintronics and magneto-electronics devices.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Ikumi Aratani, Yoji Horii, Yoshinori Kotani, Hitoshi Osawa, Hajime Tanida, Toshiaki Ina, Takeshi Watanabe, Yohko F. Yano, Akane Mizoguchi, Daisuke Takajo, Takashi Kajiwara
Summary: In this study, two-dimensional arrays of single-molecule magnets (SMMs) based on metal-organic frameworks (MOFs) were systematically modified through Langmuir-Blodgett methods and chemical modifications. The introduction of bulky alkoxide groups induced structural changes and perpendicular magnetic anisotropy. This research provides a promising strategy for the construction of high-density magnetic memory devices using molecular spintronics.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Zonghao Lei, Houhe Dong, Lijie Sun, Bing Teng, Yanfei Zou, Degao Zhong
Summary: Researchers have successfully developed four different up-conversion phosphors based on the Eulytite-type host Ba3Yb(PO4)(3). The optical temperature sensing properties of these phosphors were thoroughly investigated, and it was found that Ba3Yb(PO4)(3):Tm/Er/Ho showed potential for optical temperature measurement applications.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
C. Roncero-Barrero, M. A. Carvajal, J. Ribas-Arino, I. de P. R. Moreira, M. Deumal
Summary: This study computationally investigates the conductivity of four isostructural compounds with different Se contents, and reveals the parameters that define their conductivity in stable organic radical materials. The results provide insights into the influence of Se content on the conductivity and highlight the importance of considering multiple parameters in understanding the trends in conductivity.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
Article
Materials Science, Multidisciplinary
Remi Arras, Kedar Sharma, Lionel Calmels
Summary: In this study, we investigated the interplay between structural defects in NiFe2O4, showing that the complex formed by a Ni-Oh/Fe-Td-cation swap and a neutral oxygen vacancy is more stable than these two isolated defects, and significantly reduces the width of the minority-spin band gap.
JOURNAL OF MATERIALS CHEMISTRY C
(2024)
