15839
Changing the poration potential to - 0 . 4 V / SCE caused significant increases in the fluorescence and the appearance of new structural features in the adsorbed layers that were more easily observed during the desorption procedure .
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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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