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Recently, single crystalline layered SnSe has created sensation in thermoelectrics due to its ultralow thermal conductivity and high thermoelectric figure of merit. Tin diselenide (SnSe<jats:sub>2<\/jats:sub>), an additional layered compound belonging to the Sn\u2010Se phase diagram, possesses a CdI<jats:sub>2<\/jats:sub>\u2010type structure. However, synthesis of pure\u2010phase bulk SnSe<jats:sub>2<\/jats:sub> by a conventional solid\u2010state route is still remains challenging. A simple solution\u2010based low\u2010temperature synthesis is presented of ultrathin (3\u20135\u2005nm) few layers (4\u20136 layers) nanosheets of Cl\u2010doped SnSe<jats:sub>2<\/jats:sub>, which possess n\u2010type carrier concentration of 2\u00d710<jats:sup>18<\/jats:sup>\u2005cm<jats:sup>\u22123<\/jats:sup> with carrier mobility of about 30\u2005cm<jats:sup>2<\/jats:sup>\u2009V<jats:sup>\u22121<\/jats:sup>\u2009s<jats:sup>\u22121<\/jats:sup> at room temperature. SnSe<jats:sub>2<\/jats:sub> has a band gap of about 1.6\u2005eV and semiconducting electronic transport in the 300\u2013630\u2005K range. An ultralow thermal conductivity of about 0.67\u2005Wm<jats:sup>\u22121<\/jats:sup>\u2005K<jats:sup>\u22121<\/jats:sup> was achieved at room temperature in a hot\u2010pressed dense pellet of Cl\u2010doped SnSe<jats:sub>2<\/jats:sub> nanosheets due to the anisotropic layered structure, which gives rise to effective phonon scattering.<\/jats:p>","DOI":"10.1002\/chem.201604161","type":"journal-article","created":{"date-parts":[[2016,9,6]],"date-time":"2016-09-06T13:09:08Z","timestamp":1473167348000},"page":"15634-15638","source":"Crossref","is-referenced-by-count":93,"title":["Few\u2010Layer Nanosheets of n\u2010Type SnSe<sub>2<\/sub>"],"prefix":"10.1002","volume":"22","author":[{"given":"Sujoy","family":"Saha","sequence":"first","affiliation":[{"name":"New Chemistry Unit (NCU) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR)  Jakkur P.O. 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