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This article reviews recent progress on plasmonic - enhanced OPV devices using metallic nanoparticles , and one - dimensional ( 1D ) and two - dimensional ( 2D ) patterned periodic nanostructures .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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