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5 article(s) from Tuttle, Tell

Thiazole-induced rigidification in substituted dithieno-tetrathiafulvalene: the effect of planarisation on charge transport properties

Rupert G. D. Taylor,
Joseph Cameron,
Iain A. Wright,
Neil Thomson,
Olena Avramchenko,
Alexander L. Kanibolotsky,
Anto R. Inigo,
Tell Tuttle and
Peter J. Skabara

Full Research Paper
Published 10 Jul 2015

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1. Graphical Abstract
2. Figure 1: Compounds 1–3.
  
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3. Scheme 1: Synthesis of compound 4.
  
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4. Scheme 2: Synthesis of compounds 1 and 2.
  
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5. Figure 2: UV–vis absorption spectra of 10⁻⁵ M solutions of compounds 1 (black) and 2 (red) in dichloromethane....
  
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6. Figure 3: Cyclic voltammograms showing the reduction (left) and oxidation (right) of compounds 1 (top) and 2 ...
  
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7. Figure 4: Optimised structures of 1 (left), 2 (centre) and 3 (right).
  
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8. Figure 5: Output characteristics of OFETs fabricated using compound 2 in CHCl₃ with OTS (top) and PFBT/OTS (b...
  
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9. Figure 6: AFM images of OFET devices fabricated using compound 2 in CHCl₃ with OTS (left) and PFBT/OTS (right...
  
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Beilstein J. Org. Chem. 2015, 11, 1148–1154, doi:10.3762/bjoc.11.129

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Synthesis and properties of novel star-shaped oligofluorene conjugated systems with BODIPY cores

Clara Orofino-Pena,
Diego Cortizo-Lacalle,
Joseph Cameron,
Muhammad T. Sajjad,
Pavlos P. Manousiadis,
Neil J. Findlay,
Alexander L. Kanibolotsky,
Dimali Amarasinghe,
Peter J. Skabara,
Tell Tuttle,
Graham A. Turnbull and
Ifor D. W. Samuel

Full Research Paper
Published 19 Nov 2014

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1. Graphical Abstract
2. Figure 1: The structures of the star-shaped oligofluorenes with BODIPY cores, Y-Bn (n = 1–4) and T-Bn (n = 1–...
  
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3. Scheme 1: Synthesis of the Y-Bn (n = 1–4) series.
  
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4. Scheme 2: Synthesis of the T-Bn (n = 1–4) series.
  
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5. Figure 2: The samples of oligofluorene BODIPY solutions in toluene under ambient light (left) and UV illumina...
  
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6. Figure 3: The normalised absorption (solid lines) and emission (dash lines) spectra of Y-Bn (n = 1–4) (left p...
  
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7. Figure 4: Optimised structures of T-B1 (left) and Y-B1 (right).
  
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8. Figure 5: HOMO−1 (bottom, left), HOMO (bottom, right), LUMO (top, left) and LUMO+1 (top, right) of Y-B1.
  
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9. Figure 6: HOMO−1 (bottom, left), HOMO (bottom, right), LUMO (top, left) and LUMO+1 (top, right) of T-B1.
  
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Beilstein J. Org. Chem. 2014, 10, 2704–2714, doi:10.3762/bjoc.10.285

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Solution processable diketopyrrolopyrrole (DPP) cored small molecules with BODIPY end groups as novel donors for organic solar cells

Diego Cortizo-Lacalle,
Calvyn T. Howells,
Upendra K. Pandey,
Joseph Cameron,
Neil J. Findlay,
Anto Regis Inigo,
Tell Tuttle,
Peter J. Skabara and
Ifor D. W. Samuel

Full Research Paper
Published 18 Nov 2014

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1. Graphical Abstract
2. Figure 1: Chemical structures of DPP core 1 and BODIPY core 2.
  
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3. Scheme 1: Synthesis of triads 9 and 10. Reagents and conditions: (i) phosphoryl chloride, N,N-dimethylformami...
  
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4. Figure 2: Cyclic voltammetry of 9 (black) and 10 (red) in solution (left) and thin-film (right). The experime...
  
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5. Figure 3: Normalised UV–vis absorption spectra of 9 (black), 10 (red) and DPP core (11, green) in dichloromet...
  
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6. Figure 4: Structure of the dithieno-DPP (11) core.
  
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7. Figure 5: BOD-T4 structure reported by Harriman et al. [50].
  
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8. Figure 6: Electrostatic potential charges for each unit in compounds 9 and 10: radical anion (blue), neutral ...
  
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9. Figure 7: Electrostatic potential charges for each unit in (2Th)₂DPP and (3Th)₂DPP radical anion (blue), neut...
  
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10. Figure 8: Frontier orbitals for radical anion SOMO (top), neutral HOMO (bottom) of 9 (left) and 10 (right).
  
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11. Figure 9: Incident photon to converted electron (IPCE) ratio or external quantum efficiency (EQE) for 9:PC₇₁B...
  
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12. Figure 10: J–V for 9:PC₇₁BM (1:3) and 10:PC₇₁BM (1:3) in the dark.
  
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13. Figure 11: J–V for 9:PC₇₁BM (1:3) and 10:PC₇₁BM (1:3) under illumination at 100 mW cm⁻² with an AM1.5 G source....
  
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14. Figure 12: Tapping mode AFM height images for 9:PC₇₁BM (1:3) (left) and 10:PC₇₁BM (1:3) (right) on fused silic...
  
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Beilstein J. Org. Chem. 2014, 10, 2683–2695, doi:10.3762/bjoc.10.283

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Incorporation of perfluorohexyl-functionalised thiophenes into oligofluorene-truxenes: synthesis and physical properties

Neil Thomson,
Alexander L. Kanibolotsky,
Joseph Cameron,
Tell Tuttle,
Neil J. Findlay and
Peter J. Skabara

Full Research Paper
Published 27 Jun 2013

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1. Graphical Abstract
2. Figure 1: Labelled truxene and compounds T1 and T4.
  
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3. Scheme 1: Synthesis of the thiophene-fluorene arm for the 3-isomer.
  
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4. Scheme 2: Synthesis of the thiophene-fluorene arm for the 4-isomer.
  
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5. Scheme 3: Coupling of arms to the truxene core.
  
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6. Scheme 4: Synthesis of T4-⁴FTh.
  
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7. Figure 2: Normalised absorbance (solid) and emission (dashed) of materials in solution (dichloromethane).
  
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8. Figure 3: HOMO−1 (bottom, left), HOMO (bottom, right), LUMO (top, left) and LUMO+1 (top, right) of T1-³FTh.
  
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9. Figure 4: HOMO−1 (bottom, left), HOMO (bottom, right), LUMO (top, left) and LUMO+1 (top, right) of T1-⁴FTh.
  
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Beilstein J. Org. Chem. 2013, 9, 1243–1251, doi:10.3762/bjoc.9.141

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Predicting the UV–vis spectra of oxazine dyes

Scott Fleming,
Andrew Mills and
Tell Tuttle

Full Research Paper
Published 15 Apr 2011

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1. Graphical Abstract
2. Figure 1: Quinone imine structural relationships.
  
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3. Figure 2: Numbering and structure of oxazine dyes studied in this work (counterions not shown).
  
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4. Figure 3: Directions of solvated (a) dipole moments and (b) transition moments from origin (0,0,0).
  
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5. Figure 4: Error between experimental and calculated λ_max values for each dye at the different levels of theor...
  
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6. Figure 5: The orbital overlaps (Λ) for each dye at the different levels of theory investigated. All structure...
  
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Beilstein J. Org. Chem. 2011, 7, 432–441, doi:10.3762/bjoc.7.56

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