Journal of Materials Chemistry A
·
2016
·Vol. 4
·期 27
·10719-10726
·
IF 8.262
Yong Jiang,Yazhi Feng,Baojuan Xi,Shuangshuang Kai,Kan Mi,Jinkui Feng,Junhao Zhang,Shenglin Xiong
Well-distributed graphene sheets doped with nitrogen (NGSs) were prepared via a thermal annealing strategy with the use of cyanamide. The cyanamide can efficiently restrain the conglomeration of the resultant graphene sheets and simultaneously ensure the doping of nitrogen. Followed by the next-step of the low-temperature solvothermal route, uniform ultrasmall tin sulfide (SnS2) nanocrystals were readily grown on the preformed NGS (denoted as SnS2–NGS). Benefiting from the synergistic function between NGSs and SnS2, the resultant composites exhibit excellent electrochemical performance. When evaluated as anode materials for lithium-ion batteries (LIBs), SnS2–NGS with a moderate weight ratio of SnS2 delivers outstanding electrochemical performance giving a high reversible capacity of 1407 mA h g−1 at 200 mA g−1 after 120 cycles. The composites can also maintain a reversible capacity of about 200 mA h g−1 at a high current density of 10 A g−1. The lithium-ion storage ability of the prepared SnS2–NGS electrode is at the top rank in comparison with those of other studies. The obtained composites also achieved good sodium storage ability.
研究领域:
材料科学
·
能源存储
✓ 已验证
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2019
·
IF 8.456
Jianhui Li,Shaobo Han,Chenyu Zhang,Wei Wei,Meng Gu,Lingjie Meng
SnS2 has received tremendous attention as an anode material for lithium-ion batteries owing to its high theoretical capacity and low cost. However, its applications are limited by its inferior cycling stability and poor rate performance. In this study, graphene@SnS2 heterojunction nanocomposites are synthesized using a microwave-assisted solvothermal approach on liquid-phase exfoliated graphene (LEGr). Compared with graphene oxides, LEGr layers with an intrinsic atomic structure show extraordinary conductivity and serve as robust substrates for in situ growth of SnS2 with improved interfacial contact. A LEGr-derived SnS2 hybrid shows remarkable storage capacity, superior rate capability, and excellent cycling stability. The storage capacity remains at 664 mAh g–1 after 200 cycles at 300 mA g–1 current density. Furthermore, lithiation-induced reactivation of LEGr-based SnS2 is investigated using in situ transmission electron microscopy, giving an in-depth explanation of the electrochemical reaction mechanisms.
研究领域:
材料科学
·
电化学
·
能源存储
✓ 已验证
DOI
PubMed
高影响因子
Energy & Environmental Materials
·
2026
·
IF 13.8
Han Zhang,Mingyu Gao,Jiajia Deng,Yan Wang,Yingru Li,Xinjian Song,Rong Li,Jianfeng Tan
Traditional inorganic semiconductor gas sensors operate at elevated temperatures and exhibit inherent rigidity and brittleness, thereby limiting their application in wearable electronics. Herein, organic–inorganic YSZ@PANI/SnS 2 heterojunction composite nanofiber film are fabricated through a sequential process involving electrospinning, oxidative polymerization, and hydrothermal treatment. Benefited from the employment of PANI interfacial layer, biomimetic “branch-leaf” structure featuring vertically grown, network-like SnS 2 nanosheets, the stress and energy are dispersed and dissipate effectively, therefore enhance the mechanical flexibility. Simultaneously, the vertically staggered SnS 2 nanosheets accelerating the gas diffusion/transmission and providing abundant active sites. The formation of PANI/SnS 2 heterojunction, which endows the composite with elevated conductivity, reaction activity, and carrier transport separation efficiency. At room temperature (RT, 25 °C), the device exhibits high response value and response/recovery times of 9.35 and 12/25 s to 2 ppm NO 2 , respectively. Furthermore, the device maintains satisfactory responsiveness even under bending conditions. This research presents a promising novel approach for fabricating organic–inorganic composite nanofibers, which may contributes to the development of flexible RT gas sensors.
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DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2023
·
IF 15.1
Long Li,Huyin Su,Licheng Zhou,Zhixiang Hu,Tiankun Li,Bingbing Chen,Hua-Yao Li,Huan Liu
Metal sulfide-based gas sensors have the advantage of high sensitivity at room temperature, enabling high integration and low power consumption. However, a trade-off between low baseline resistance and good long-term stability at room temperature still needs to be addressed. Therefore, a single-atom Ce-targeted regulation strategy for p-SnS/n-SnS 2 was proposed. By doping different amounts of Ce, the amount and size of SnS quantum dots on the surface of SnS 2 can be regulated. Furthermore, Sn-S-Ce bonds are formed by combining single-atom Ce with SnS, which effectively hinders the growth and oxidation of SnS quantum dots, as evidenced by STEM, XPS, DFT, FTIR and EAXFS methods. Due to the unique energy band structure of p-SnS and n-SnS 2 , Ce-doped SnS quantum dots serve as electronic sensitizers, effectively increasing the carrier concentration in SnS 2 . The optimal gas sensor based on the 1% Ce-doped SnS/SnS 2 composites enables high sensitivity (with a response of 22.1 to 1 ppm NO 2 ), ultralow detection limit (1 ppb), excellent long-term stability at room temperature, and a lower baseline resistance. This engineering strategy of metal sulfide semiconductor heterostructures through single-atom targeted regulation provides new insights for further optimizing the composite system.
研究领域:
材料科学
·
半导体物理
·
传感技术
·
纳米材料
·
表面化学
·
环境监测
✓ 已验证
DOI
高影响因子
ANALYTICA CHIMICA ACTA
·
2026
·
IF 6.1
Jinhui Liu,Jing Cheng,Wanqing Wu,Jiaqi Niu,Ziyang Zhang,Ping Guo,Min Du
The rapid detection of polyethylene terephthalate (PET) nanoplastics (PET NPs) is hindered by their low concentration, high mobility and lack of a distinguishable interface with other nanoplastics. In this study, we developed an SnS 2 @MoS 2 /APTES amino-functionalized photoelectrochemical sensor capable of detecting PET NPs with high specificity. The SnS 2 @MoS 2 heterojunction synthesized via in situ hydrothermal synthesis and the APTES self-assembled amino-functionalized interface enable PET NPs to interact with amino-functionalized interface at multiple sites through oxygen-containing groups such as ester groups, carbonyl oxygen and ether oxygen. The sensor exhibits a detection range of 0.5-800 μg mL −1 for PET NPs, with a detection limit of 0.17 μg mL −1 . DFT calculations further indicate that the PET-APTES system exhibits a lower adsorption energy (−1.37 eV) and a more significant interfacial charge rearrangement, demonstrating that the APTES amino siloxane interface exhibits a polymer structural selectivity toward PET. Furthermore, this PEC sensor exhibits good recovery rates (96.04%-102.76%) in practical water samples such as seawater, bottled water and tap water. It provides a new method for interface recognition and signal conversion for the specific PEC detection of PET nanoplastics.
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产品关联
DOI
高影响因子
Journal of Energy Chemistry
·
2025
·
IF 14.9
Huan Ma,Xuntao Zhang,Mingxuan Tang,Zhenjiang Lu,Min Wang,Xinxin Yin,Jing Xie,Jindou Hu,Yali Cao
Sodium-ion batteries (SIBs) show promising potential in the field of electrochemical energy storage due to their cost-effectiveness and similar operational mechanisms to lithium-ion batteries (LIBs). However, the dramatic volume expansion of electrode materials and the slow reaction kinetics caused by the large sodium ion (Na + ) radius hinder the practical application of SIBs. Here, we successfully prepared SnS 2− x Se x nanodots embedded within N-doped carbon nanofibers (CNF) for use as electrode materials of SIBs. The introduction Se provided abundant anionic defect sites for sodium-ion storage and enlarged the interlayer spacing of SnS 2 . In addition, the ultrafine nanodot structure reduces the volume expansion of SnS 2− x Se x and shortens the ion transport path. As an anode of SIBs, SnS 2− x Se x /CNF demonstrates remarkable reversible capacity (719 mAh g −1 at 0.5 A g −1 ), along with rapid charging ability (completing a charge in just 127 s). Meanwhile, the assembled full-cell battery manifested exceptional energy density of 165.8 Wh kg −1 at a high-power output of 5526 W kg −1 . This study presents an effective strategy for fabricating high-performance sulphide-based anode materials for SIBs, offering broad prospects for application.
研究领域:
材料科学
·
电化学能源存储
✓ 已验证
产品关联
DOI
高影响因子
IEEE ELECTRON DEVICE LETTERS
·
2024
·
IF 4.1
Xiyu Jia,Weishuai Duan,Mingchen Xu,Gaoning Fan,Pengyu Zhou,Yonghui Zhang,Hongxing Zheng,Mengjun Wang,Chao Fan
Near-violet (NV) detectors based on two-dimensional materials have attracted much attention due to their atomic-scale thickness and various band gaps. Among them, tin disulfide (SnS
2
) has demonstrated significant potential for high-performance NV detectors due to its unique photoelectric properties. However, SnS
2
-based NV detector still have drawbacks such as low responsivity and high dark current. In this work a tri-layer van der Waals heterojunction of tin disulfide/h-boron nitride/tin selenide (SnS
2
/h-BN/SnSe) is proposed. The detector based on such tri-layer heterojunction exhibits an excellent self-powered detection performance to 405-nm NV illumination with a responsivity of 1.5 AW
-1
, a low dark current of 2.6 pA, and a high fill factor of 51.8%, superior to detectors based on SnS
2
/SnSe bi-layer heterojunctions and most other two-dimensional materials. This study provides an efficient optimizing strategy for SnS
2
-based self-powered detector, thereby offering an opportunity for implementing innovation in NV detectors.
研究领域:
材料科学
·
光电子学
✓ 已验证
产品关联
DOI
高影响因子
Journal of Energy Chemistry
·
2024
·
IF 14
Chunwei Dong,Yongjin Xia,Zhijiang Su,Zhihua Han,Yang Dong,Jingyun Chen,Fei Hao,Qiyao Yu,Qing Jiang,Jiaye Ye
Tin disulfide (SnS 2 ), due to large interlayer spacing and high theoretical capacity, is regarded as a prospective anode material for lithium-ion batteries. Nevertheless, the poor electron conductivity of SnS 2 and huge volumetric change during the lithiation/delithiation process lead to a rapid capacity decay of the battery, hindering its commercialization. To address these issues, herein, SnS 2 is in-situ grown on the surface of carbon nanotubes (CNT) and then encapsulated with a layer of porous amorphous carbon (CNT/SnS 2 @C) by simple solvothermal and further carbonization treatment. The synergistic effect of CNT and porous carbon layer not only enhances the electrical conductivity of SnS 2 but also limits the huge volumetric change to avoid the pulverization and detachment of SnS 2 . Density functional theory calculations show that CNT/SnS 2 @C has high Li + adsorption and lithium storage capacity achieving high reaction kinetics. Consequently, cells with the CNT/SnS 2 @C anode exhibit a high lithium storage capacity of 837 mAh/g after 100 cycles at 0.1 A/g and retaining a capacity of 529.8 mAh/g under 1.0 A/g after 1000 cycles. This study provides a fundamental understanding of the electrochemical processes and beneficial guidance to design high-performance SnS 2 -based anodes for LIBs.
研究领域:
材料科学
·
能源存储
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
Materials Science and Engineering B-Advanced Functional Solid-State Materials
·
2016
·
IF 2.331
Xueliang Li,Linbo Chu,Yiyi Wang,Lisheng Pan
Tin sulfide-anchored sulfur-hollow carbon nanospheres (S/AHCNS-SnS 2 ) composites are synthesized by uniformly dispersing conductive SnS 2 particles into hollow carbon nanospheres activated with potassium hydroxide, followed by impregnating sulfur. Surface morphology and structure of this composite are characterized using a field emission scanning electron microscopy (FESEM), field emission transmission electron microscopy (FETEM), Brunauer–Emmett–Teller (BET) method, X-ray power diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The first discharge capacity of the sample containing 10 wt.% SnS 2 exhibits a high special capacity value of about 1237.5 mAh g −1 at 0.2 C, and after 200 cycles retains 924 mAh g −1 . Tin sulfide particles play a favorable role on adsorption towards polysulfides which would influence electrochemical process. This strategy of immobilization of sulfur with small amount of metal sulfide particles anchored in AHCNS provides a considerable approach to elevate the sulfur loading, coulombic efficiency, and cycling stability for Li–S batteries.
研究领域:
材料科学
·
储能
·
电化学
·
纳米材料
✓ 已验证
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2022
·
IF 6.371
Qian Li,Fuyuan Yu,Yaru Cui,Juan Wang,Yan Zhao,Jianhong Peng
SnS and SnS 2 are two promising anode materials with excellent theoretical capacity for Sodium ion batteries . However, severe volume collapse and low electric charge conductivity dramatically affect the electrochemical performance of SnS and SnS 2 . As a consequence, SnS-SnS 2 heterostructures are constructed to improve the conductivity of the anode material. The volume effect is prevented by compounding with Graphene Oxide (GO) to ensure cyclic stability and improve the initial coulombic efficiency of anode materials. The first-principles simulation is used to simulate SnS, SnS 2 , SnS-SnS 2 and SnS-SnS 2 @GO respectively, and the comparison is made through actual experiments. Experimental studies indicate that SnS-SnS 2 @GO processes superior conductivity and cycle stability, unique nano-flake structure and the composite modification of GO can restrain the volume effect and ensure long cycle stability of the anode material (450.6 mAh·g −1 after 100 cycles). Moreover, attributing to the p-n heterostructures, the internal charges transfer and improve the electrical conductivity of SnS-SnS 2 can be promoted obviously. Simultaneously, it has been detected that the multilayer SnS-SnS 2 heterostructures combining GO effectively improve the conductivity and ensure good structure stability. Therefore, SnS-SnS 2 @GO composites can be considered as an ideal anode material for sodium ion batteries.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
IONICS
·
2023
·Vol. 29
·期 9
·3559-3572
·
IF 2.8
Wang Hua-Ying,Yang Xiao-Xiao,Gao Fen,Zhang Bo-Han,Wen Wan-Xin,Chen Jing-Zhou,Hou Yun-Lei,Zhao Dong-Lin
Laminated metal sulfide is a unique material with a graphite-like structure and good storage capacity for both lithium and sodium ions. However, the inherent low electrical conductivity and severe volume expansion of SnS 2 lead to poor electrochemical properties, further limiting practical applications. In this work, a nitrogen-doped carbon (NC) and reduced graphene oxide (rGO) co-decorated SnS 2 nanoplatelets (SnS 2 /NC-rGO) using dopamine (PDA) and graphene oxide (GO) as carbon sources are cleverly designed. SnS 2 /NC wrapped with rGO is synthesized via hydrothermal followed by calcination. This design not only increases the electrical conductivity of the composite but also provides more pathways for ions/electrons. Furthermore, the larger specific surface area of the composite allows better contact between the electrolyte and the electrode, which further enhances the redox dynamics of lithium ions/sodium ions. Thanks to this structure, the charge/discharge specific capacity of the SnS 2 /NC-rGO composite electrode is 1215.8/1220.7 mAh g −1 after 200 cycles at 0.1 A g −1 . The superior sodium storage performance has also been demonstrated in sodium-ion batteries, where a high specific capacity of 501.6 mAh g −1 can be achieved after 80 cycles at a current density of 0.1 A g −1 .
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
ACS Applied Nano Materials
·
2023
·
IF 5.9
Jiawei Ji,Zheng Zhou,Chaoze Liu,Song Yan,Shaobo Yang,Rongjuan Zhang,Yanming Xue,Chengchun Tang
The two-dimensionally layered material tin disulfide (SnS2) has a large layer spacing (0.59 nm) that accelerates the diffusion of Li+ and electrons. However, the poor conductivity and huge volume expansion limit its further use. Herein, a covalently tightly assembled SnS2@NRGO hybrid nanostructure with high porosity was successfully synthesized by sacrificing PMMA template support strategies. The high porosity and pore volume of SnS2@NRGO not only increases the permeability of active material and electrolyte and improves the utilization of active material, but also provides buffer space for the huge volume expansion of ultrathin SnS2 during the charging and discharging process. In addition, the strong synergistic effect of the covalent bonding and stable hybridization nanostructure provides an efficient Li+ transport path through the 3D tightly connected NRGO network. N doping introduces a large number of defects and adds more active sites for lithium intercalation. The SnS2@NRGO-3 used as the anodes for LIBs deliver excellent rate performance (540.1 mAh g–1 at a rate of 30 A g–1) and outstanding cycle stability (1031.9 mAh g–1 after 500 cycles at 5 A g–1; the capacity degradation rate of 0.048% per cycle), which attributed to stable hybrid nanostructure and high pore volume. Therefore, the SnS2@NRGO created by us would be a very promising candidate for the future advanced high-rate long-life Li+ storage anode.
研究领域:
材料科学
·
能源存储
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）