22756
Single - photon sources : non - blinking single - photon generation with anisotropic colloidal nanocrystals : towards room - temperature , efficient , colloidal quantum sources ( adv . Mater . 14 / 2013 ) .
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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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