Table 2

Comparison of electron mobilities (cm2 V−1 s−1) of 1-D nanomaterials and nanoparticles
Nanomaterials Electron mobilities (cm2 V−1 s−1)
SWCNT 7.9a–10b × 104
Si nanowire 1000c
Ge nanowire 600–700d
ZnO nanowire 1–5e
ZnO nanoparticle film 0.017–0.066f
TiO2nanoparticle film <10−3g

aField-effect and; b intrinsic mobility of a 300 nm long and 3.9 nm diameter single-walled carbon nanotube (SWCNT) [50]; c 8–30 nm wide Si nanowires [51]; d 20 nm wide Ge nanowires [52]; e 16–17 μm long and 130–200 nm wide ZnO nanowire [23]; f for particle size around 4 nm [53]; g for 4–8 nm anatase TiO2 nanocrystals; it is 15 cm2 V−1 s−1 in single crystal TiO2[54]

Yu and Chen

Yu and Chen Nanoscale Research Letters 2008 4:1-10   doi:10.1007/s11671-008-9200-y

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