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. Author manuscript; available in PMC: 2016 Sep 15.
Published in final edited form as: Acta Biomater. 2015 Jun 15;24:309–321. doi: 10.1016/j.actbio.2015.06.012

Table 2.

Peak reflectance of pSi and pSiO2 films in different media

K
value		 Average reflectance peak
in air		 Average reflectance peak
in deionized water		 Average reflectance peak
in PBS		 Shift from air to
PBS
fresh oxidized shift fresh oxidized shift fresh oxidized shift fresh oxidized
2.17 615±9.
29
(orang
e)		 510±6.5
8# 		−
105# 		672±20.6
0 (red)		 565±6.7
1# 		−
107# 		687±7.7
9 (red)		 561±2.4
5# 		−126# −72 −51
501±3.7* −
114* 		551±3.5
1*
(green)		 −
122* 		551±7.6
7*
(green)		 −
136* 		−50*
2.25 609±4.
01
(orang
e)		 494±2.5
6 (cyan)		 −115 669±2.88
(red)		 553±3.3
3 (green)		 −94 673±2.1
5 (red)		 553±3.1
0 (green)		 −120 −64 −59
2.35 597±3.
71
(orang
e)		 482±3.7
7 (blue)		 −115 654±5.74
(red)		 538±5.3
8 (green)		 −117 651±5.0
3 (red)		 533±4.4
5 (green)		 −112 −54 −51
2.45 556±5.
33
(green)		 438±6.2
(violet)		 −117 609±9.26
(orange)		 491±8.3
3 (cyan)		 −118 612±6.1
8
(orange
)		 491±8.5
8 (cyan)		 −121 −56 −53
2.55 530±1.
13
(green)		 425±2.7
3 (violet)		 −105 577±5.27
(yellow)		 472±3.2
1 (blue)		 −105 581±2.4
5
(yellow)		 476±3.1
5 (blue)		 −105 −51 −51
#

Film oxidized at 600 °C for 1 hour

*

Film oxidized at 800 °C for 2 hours

−

:blue shift

+

: red shift