By moving the middle note of any triad up an octave, you get what is called an open voicing. This has the effect of giving the chord a more open sound. The process is demonstrated in the following example using a first inversion C chord.
The diagrams following the music show some common open voicings. Learn each one as a C chord and then transpose it to all the other keys. You should make a habit of doing this with every new chord voicing you learn