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| 1 | Anisotropic thermoelectric properties of layered compound SnSe2显示文摘Similar to high performance SnSe thermoelectrics, SnSe2 is also a layered structured semiconductor.However, its anisotropic thermoelectric properties are less experimentally investigated. In this work,Cl-doped SnSe2 bulk materials are successfully prepared, and their thermal stability and anisotropic transport properties are systematically studied. Unexpectedly, different from the theoretical prediction and other typical layered thermoelectric compounds like Bi_2Te_3, the out-of-plane zT_c value is higher than in-plane zT_a for the same composition. The zT value is significantly enhanced by Cl doping. A maximum zT_c of ~0.4 at 673 K is achieved in SnSe_(1.88)Cl_(0.12), twice higher than previously reported Cl-doped SnSe_2 synthesized by the solvothermal method. | Peipei Xu Tiezheng Fu Jiazhan Xin Yintu Liu Pingjun Ying Xinbing Zhao Hongge Pan Tiejun Zhu | 2017 | Science Bulletin2017，62，24： | 4 |
| 2 | 不同厚度二维层状SnSe_2纳米材料的拉曼光谱研究显示文摘本文研究了不同层数的SnSe_2材料的拉曼光谱,通过对测试结果的分析得到不同振动模式的峰强及峰位的变化与不同厚度的SnSe_2样品之间的对应关系,并进一步分析了变化的原因。该研究成果为二维SnSe_2的研究提供了更加系统、准确、快捷的判断方法和手段。 | 石颖 马晓飞 杨秀娟 李月玲 刘玫 | 2018 | 山东科学2018，31，1： | 1 |
| 3 | Two-dimensional tin diselenide nanosheets pretreated with an alkaloid for near-and mid-infrared ultrafast photonics显示文摘Two-dimensional(2D)tin diselenide(SnSe2),a novel layered material with excellent optical and electronic properties,has been extensively investigated in various promising applications,including photodetectors,optical switching,and ultrafast photonics.In this work,SnSe2 nanosheets have been obtained after pretreatment in an alkaloid,exhibiting high optical absorption and electron-enriched properties.Besides,the performances of the prepared SnSe2 in near-infrared(NIR)and mid-infrared(MIR)ultrafast photonics are presented.Notably,by employing the SnSe2-deposited microfiber device as a saturable absorber(SA)exhibiting typical nonlinear optical absorption properties,stable ultrashort pulses and rogue waves are realized in an erbium-doped fiber laser.Furthermore,the SnSe2-deposited SA device is also applied to a thulium-doped fiber laser to achieve stable ultrashort pulses.This study indicates that SnSe2 is expected to be a suitable candidate for ultrafast fiber lasers in the NIR and MIR regions. | Zhenhong Wang Bin Zhang Bing Hu Zhongjun Li Chunyang Ma Yu Chen Yufeng Song Han Zhang Jun Liu Guohui Nie | 2020 | Photonics Research2020，8，11： | 0 |
| 4 | 自支撑SnSe2/碳布柔性负极材料应用于钠离子电池显示文摘锡基硒化物具有理论比容量高、导电性优异、成本低等优点,在电化学储能领域具有较好的应用前景.但其循环稳定性低及倍率性能差仍限制其进一步商业化应用.针对这些问题,采用简单的水热-硒化法制备SnSe2/碳布柔性负极材料,并对其进行了钠离子电池性能的测试.结果表-1明,制备的电极材料在电流密度为0.1 A·g下,经过100圈充放电循环后,放电容量为541.0 mAh·g^(-1),且在不同电流密度充放电循环之后可逆比容量仍可高达503.9mAh·g^(-1). | 孙靖卓 孙立 宋伟明 赵冰 | 2023 | 高师理科学刊2023，43，11： | 0 |
| 5 | SnSe_2纳米片的制备及结构表征显示文摘用溶剂热法制备了SnSe2纳米片,用XRD、EDS、SEM等手段对SnSe2纳米片的结构进行了表征。结果表明,采用亚硒酸钠为硒源,以乙二醇为溶剂,乙二胺为辅助溶剂,在180℃反应3 h制得花瓣状的厚度约为30 nm的SnSe2纳米片。随着反应时间的延长,纳米片的厚度增加;而采用硒粉为硒源,在180℃反应5 h制得厚度达60 nm的SnSe2纳米片;反应温度对合成晶体的形貌有重要影响,在180℃反应有利于形成结晶良好的纳米片。 | 彭红瑞 黄劲 | 2006 | 青岛科技大学学报(自然科学版)2006，27，5： | 0 |
| 6 | Observation of pseudogap in SnSe2 atomic layers grown on graphite显示文摘Superconducting metal dichalcogenides(MDCs)present several similarities to the other layered SI1-perconductors like cuprates.The superconductivity in atomically thin MDCs has been demonstrated by recent experiments,however,the investigation of the superconductivity intertwined with other or-ders are scarce.Investigating the pseudogap in atomic layers of MDCs may help to understand the superconducting mechanism for these true two dimensional(2D)superconducting systemns.Herein we report a pseudogap opening in the tunneling spectra of thin layers of SnSe2 epitaxially grown on highly oriented pyrolytic graphite(HOPG)with scanning tunneling microscopy/spectroscopy(STM/STS).A significant V-shaped pseudogap was observed to open near the Fermi level(Er)in the sTS.And at elevated temperatures,the gap gradually evolves to a shallow dip.Our experimental observations provide direct evidence of a pseudogap state in the electron-doped SnSe2 atomic layers on the HOPG surface,which may stimulate further exploration of the mechanism of superconductivity at 2D limit in MDCs. | Ya-Hui Mao Huan Shan Jin-Rong Wu Ze-Jun Li Chang-Zheng Wu Xiao-Fang Zhai Ai-Di Zhao Bing Wang | 2020 | Frontiers of physics2020，15，4： | 0 |
| 7 | Consecutive hybrid mechanism boosting Na+storage performance of dual-confined SnSe2 in N,Se-doping double-walled hollow carbon spheres显示文摘Rationally designed hierarchical structures and heteroatomic doping of carbon are effective strategies to enhance the stability and electrical conductivity of materials.Herein,SnSe_(2)flakes were generated in the double-walled hollow carbon spheres(DWHCSs),in which N and Se atoms were doped in the carbon walls,to construct SnSe_(2)@N,Se-DWHCSs by confined growth and in-situ derivatization.The N and Sedoped DWHCSs can effectively limit the size increase of SnSe_(2),promote ion diffusion kinetics,and buffer volume expansion,which can be proved by electron microscope observation and density functional theory calculation.Consequently,the SnSe_(2)@N,Se-DWHCSs as an anode material for sodium ion batteries(SIBs)demonstrated a distinguished reversible capacity of 322.8 mAh g^(-1)at 5 A g^(-1)after 1000 cycles and a superior rate ability of 235.3 m Ah g^(-1)at an ultrahigh rate of 15 A g^(-1).Furthermore,the structure evolution and electrochemical reaction processes of SnSe2@N,Se-DWHCSs in SIBs were analyzed by exsitu methods,which confirmed the consecutive hybrid mechanism and the phase transition process. | Xiaoyu Wu Zhenshan Yang Lin Xu JianHua Wang Lele Fan Fanjie Kong Qiaofang Shi Yuanzhe Piao Guowang Diao Ming Chen | 2022 | Journal of Energy Chemistry2022，31，11： | 0 |
| 8 | SnSe2纳米晶的微观结构调控与电化学性能研究显示文摘采用溶剂热合成技术,以SnCl 2·2H 2O作为锡源,硒粉作为硒源,水合肼为还原剂,分别研究溶剂类型(乙二醇、乙醇、水)与水热釜填充比(35%、55%、85%)对产物微观形貌的影响,利用X射线衍射仪(XRD)和扫描电子显微镜(SEM)对产物的物相及微观形貌进行表征。研究发现当溶剂为乙二醇时,产物形貌为混杂的SnSe 2纳米颗粒;随着水热釜填充比由35%、55%增大至85%时,产物结构由纳米颗粒生长为纳米片,且填充比为85%时SnSe 2的结晶性最好;通过电化学性能测试发现溶剂为乙二醇、填充比为35%时制备的SnSe 2纳米颗粒组装成的电池具有最优异的循环稳定性,在200 mA·g^-1的电流密度下,首次充放电容量分别为884 mAh·g^-1、1275 mAh·g^-1,循环50圈后容量仍维持在472 mAh·g^-1。同时,电化学阻抗谱测试表明该电极的电荷转移阻抗最小,是较为理想的储锂负极材料。研究结果可为SnSe 2纳米晶的结构调控及其电化学性能研究提供参考依据。 | 程娅伊 李仓 万有权 | 2020 | 西安航空学院学报2020，38，1： | 0 |
| 9 | 二维SnSe和SnSe2薄膜的可控制备显示文摘目前二维IV-VI族窄带隙半导体材料在存储开关、太阳能转换、热电转换和近红外光电器件等领域受到了广泛关注.其中硒化锡(SnSe)和二硒化锡(SnSe2)作为典型的IV-VI族窄带隙半导体,由于其优异的电子和光电性能成了研究热点.目前,制备SnSe和SnSe2薄膜通常需要使用两套气相沉积系统,而制备SnSe2纳米片更是需要通过化学气相沉积的方法才能获得,因此面临制备成本高、可控性低的问题.该文提供了一种气相沉积方法,一步制备了SnSe和SnSe2薄膜,大大提高了制备效率.该方法只需要控制加热温度,制备过程简单可控.通过一系列的表征手段证明,制备的SnSe薄膜和SnSe2薄膜十分纯净. | 岳超 罗斯玮 陆冬林 钟建新 | 2019 | 湘潭大学学报(自然科学版)2019，41，2： | 0 |
| 10 | Low-bias,high-photoresponsivity SnSe2 nanofilm with an Au split-ring array-based THz detector toward 6G communication显示文摘6G technology with the four characteristics of an intelligent endogenous,secure endogenous,multi-domain convergence,and integrated computing network,will help society toward an intelligent era[1].The low power consumption and high photoresponsivity of 6G core devices,and particularly the improvement of detector performance. | Qi SONG Zhiwen ZHOU Yifei XU Min ZHANG Junbo YANG Huawei LIANG Tianwu WANG Peiguang YAN | 2023 | Science China(Information Sciences)2023，66，6： | 0 |
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