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Applications<br />
CONFIDENTIAL<br />
Local Lifetime Measurements - ZnO Nanobelts<br />
Exciton CL decay<br />
constant t rad<br />
I X<br />
(t)∝ 1 )<br />
Exp+<br />
−t<br />
τ r * +<br />
# 1<br />
% + 1<br />
$ τ r<br />
τ nr<br />
I X<br />
(0)∝ 1 η = τ nr<br />
τ r τ r<br />
+τ nr<br />
Local variation of exciton non-radiative<br />
lifetime along the nanobelt axis<br />
&<br />
(<br />
'<br />
−1<br />
,<br />
.<br />
-.<br />
non-radiative lifetime<br />
100%<br />
87%<br />
77%<br />
60%<br />
53%<br />
40%<br />
Excitation spot<br />
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