OBSERVATION METHOD BY TEM OR SEM AND SPECIMEN FOR USE THEREIN

摘要

The invention relates to a method for observing a specimen by a TEM or a SEM, wherein the specimen comprises an ionic liquid comprising a macromolecule and the TEM or the SEM comprises a temperature-controllable specimen holder, the method comprising the steps of: providing the specimen in the specimen holder and controlling the temperature of the temperature-controllable specimen holder to a first temperature at which the ionic liquid of the specimen is in a liquid state and the macromolecule moves and observing the specimen at the first temperature.