A German research group has used spectroscopic methods based on terahertz or microwave radiation and has discovered that they might help with more precise assessments of the characteristics and ...

Many semiconducting materials are possible candidates for solar cells. In recent years, perovskite semiconductors in particular have attracted attention, as they are both inexpensive and easy to ...

Microwave sensors detect electromagnetic waves at frequencies starting from ~300 MHz up to the terahertz range. They allow us to survey remote terra incognita and detect faint radiations from distant ...

The relationship between RF energy and assessing potential photovoltaic-material performance. The two overlapping ways to excite and measure PV materials such as perovskites. How the conflicting test ...

Jens-Uwe Grabow, Institute of Physical Chemistry and Electrochemistry, Leibniz Universitat Hannover, during the workshop of "Synthesis and Spectroscopy of Large Carbon Molecules", lecture titled ...

"An unabridged and corrected republication of the work first published in 1955 by the McGraw-Hill Book Company." Includes indexes. NMAH copy 39088015628068 gift of Paul Forman.