02165nas a2200241   4500008004100000022001400041245020700055210006900262260000800331300001100339490000700350520122600357653002701583653002501610653003301635653003701668653001601705100002301721700002201744700001601766700001501782856012601797       2020                        eng d  a2452-262700aControlled synthesis of two-dimensional (2-D) ultra-thin bismuth selenide (Bi2Se3) nanosheets by bottom-up solution-phase chemistry and its electrical transport properties for thermoelectric application0 aControlled synthesis of twodimensional 2D ultrathin bismuth sele  cMAY  a1001650 v213 a<p>Bismuth Selenide and associated compounds inheriting stacked layered structure represent a unique class of materials where bulks are insulating with conducting surfaces, best known as thermoelectric materials. The bottom-up solution-based approach is a convenient alternative producing ultrathin high quality two-dimensional Bi2Se3 nanosheets. The present investigation deals with glycol mediated synthesis of highly crystalline ultrathin Bi2Se3 nanosheets. The as-synthesized Bi2Se3 nanosheets exhibit a rhombohedral crystal structure with a substantial surface-to-volume ratio that can possess several potential applications. Besides, the ultrathin Bi2Se3 nanosheets produced herein, found to be n-type with robust spatial confinement of charge carriers advantageous for thermoelectric applications, delivering a high-power factor of 1.55 mu W/cmK(2) at 150 degrees C. The method demonstrates the generic feature of the solution phase technique for the synthesis of highly crystalline nanosheets allowing mass production of identical ultra-thin nanosheets that can be easily integrated into devices for several promising applications, including spintronics, energy storage, and topological quantum computation.</p>
10aRhombohedral structure10aSheet-like structure10aThermoelectric nanomaterials10atransmission electron microscopy10aXPS Spectra1 aBin Masood, Khalid1 aKumar, Pushpendra1 aGiri, Rajiv1 aSingh, Jai  uhttps://library.ncl.res.in/content/controlled-synthesis-two-dimensional-2-d-ultra-thin-bismuth-selenide-bi2se3-nanosheets