Table 1 P/N ratio and content of Fe and S at different E.

From: Electric field created p–n junction in composite films made from carbon nanotubes, iron (III) sulfate and polyvinyl alcohol

E (V/cm)

location

S (%)

P/N

Fe (%)

P/N

0

P

76.89

0.97–1.15

23.11

0.55–1.09

0

N

78.87

21.13

30

P

68.17

1.00

31.83

1.00

30

N

68.14

31.86

600

P

73.58

1.14

26.42

0.75

600

N

64.72

35.28

Back to article page