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Table 2 Solar weighted absorption enhancement of Au NPs, Ag NPs, and Au-Ag BNNPs on thin a-Si substrates

From: Bimetallic non-alloyed NPs for improving the broadband optical absorption of thin amorphous silicon substrates

Samples

Average absorption

Solar weighted absorption (%)

SWA enhancement compared to plain a-Si (%)

a-Si

32.56

36.33

 

AuNPs on a-Si

53.40

54.27

49.3

AgNPs on a-Si

31.67

35.49

-2.0

AuAg BNNPs on a-Si

63.89

65.04

79.0

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