PhD thesis - Evans Research Group - University of Wisconsin-Madison

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ivPaula for a better understanding of FTIR and the data analysis.Finally, my lovely wife, Joona, deserves an appreciation for her sacrifices she has madethe past several years. She always made me comfortable when I was so tired of lots ofwork. Her love was vital in keeping me active everyday.
Page 1: ELECTRONIC AND STRUCTURAL PROPERTIE
Page 7 and 8: vi4.1 Introduction ……………
Page 9 and 10: 1Chapter 1Introduction1.1 Organic/i
Page 11 and 12: 3In addition, the surface propertie
Page 14 and 15: 61.2.1 Device operationIt is import
Page 16 and 17: 8flat band voltage in an OFET is op
Page 18 and 19: 10The metal evaporation was followe
Page 20 and 21: 12molecular weight. Organic semicon
Page 22 and 23: 141.3.2.2 RubreneRubrene (C 42 H 28
Page 24 and 25: 161.4 References[1] J. M. Shaw and
Page 26 and 27: 18[31] R. W. Zehner, B. F. Parsons,
Page 28 and 29: 201 (1994).[61] A. F. Hebard, M. J.
Page 30 and 31: 22threshold voltage.The structural
Page 32 and 33: 24microscopy (AFM).During the depos
Page 34 and 35: 26In addition to these continuous m
Page 36 and 37: 28Fig. 2.1: (a) Drain current and (
Page 38 and 39: 30believed to result from impuritie
Page 40 and 41: 32Fig. 2.2: Atomic force microscope
Page 42 and 43: 34significantly lower than descendi
Page 44 and 45: 36that the pentacene film was biase
Page 46 and 47: 38Charge transport in the accumulat
Page 48 and 49: 40between the metal electrodes and
Page 50 and 51: 42[17] L. J. van der Pauw, Philips
Page 52 and 53:
44Chapter 3Orientation of Pentacene
Page 54 and 55:
46from the TEY results. The absorpt
Page 56 and 57:
48Fig. 3.2: The NEXAFS spectrum fro
Page 58 and 59:
50(a)(b)Fig. 3.3: The NEXAFS spectr
Page 60 and 61:
52(a)(b)(c)(d)absorption intensity9
Page 62 and 63:
54The other explanation for the dep
Page 64 and 65:
56provide insight in relating trans
Page 66 and 67:
58make donor-acceptor interfaces fo
Page 68 and 69:
60(a)(b)200 nmFig. 4.1: AFM images
Page 70 and 71:
62functionalized self assembled mon
Page 72 and 73:
64the threshold voltage is due to t
Page 74 and 75:
6610 -6 -60 -40 -20 0 20 40 60- dra
Page 76 and 77:
68The attachment of C 60 molecules
Page 78 and 79:
70For the pentacene FETs with C 60
Page 80 and 81:
724.6 Gate electric field effect on
Page 82 and 83:
743.5 10 -7 -20 0 20 40 60 803 10 -
Page 84 and 85:
76saturated threshold voltage shift
Page 86 and 87:
78of 10, 20 and 50 V in the dark be
Page 88 and 89:
80The change in the growth of the p
Page 90 and 91:
82[14] J. K. Mwaura, M. R. Pinto, D
Page 92 and 93:
84DR19 was immobilized on the SiO 2
Page 94 and 95:
86are 30 nm and 40 nm, respectively
Page 96 and 97:
88(a)dark1 mW/cm 23 mW/cm 24.5 mW/c
Page 98 and 99:
907060threshold voltage shift (V)50
Page 100 and 101:
92∆U=-(µ DR19 )/(A DR19 ε 0 ε
Page 102 and 103:
94We have found spectroscopic evide
Page 104 and 105:
96[3] M. E. van der Boom, G. Evmene
Page 106 and 107:
98We have studied the electrical pr
Page 108 and 109:
100rubrene and SiO 2 substrate is l
Page 110 and 111:
102The intensity of the peak in TEY
Page 112 and 113:
104V1 2= π h (3r− h)(6.1)3The ra
Page 114 and 115:
106drain current was observed for g
Page 116 and 117:
108the current. The small contact a
Page 118 and 119:
110to rubrene.The role of the Cr ad
Page 120 and 121:
112H. Friend, Nature, 434, 194 (200
Page 122 and 123:
114There have been attempts in seve
Page 124 and 125:
116(a)(b)Fig. 7.2: (a) AFM image of
Page 126 and 127:
118Seth King of Paul Lyman’s grou
Page 128 and 129:
120(a)(b)10 -6 00.00050.0003- drain
Page 130:
122[2] S. Seo, B. N. Park, and P. G
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PhD thesis - Evans Research Group - University of Wisconsin-Madison

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