logo
[μ f E Lab Presentations]

[italics = Graham Lab members, underline = PI author ]

2020 - present:

48. V. Guay, N. Johnson, Y. Zhang, A. Zande, S. Thorp, M. W. Graham, and Y-.S. Lee (2023), Nonlinear Photocarrier Dynamics in Multilayer WSe₂ Induced By Intense Terahertz Pulses , J Optical Society of America B, 40, 3038-3043

47. G. Mayonado, F. Zhu, W. Goldthwaite, L. Zhu, J. E. Anthony, O. Ostroverkhova, and M. W.Graham (2023), Optomagneto control of singlet fission charge multiplication dynamics in single organic semiconductor crystals, Optica Technical Digest Series, Optica Publishing Group, doi.org/10.1364/CLEO_FS.2023.FF2G.4

46. K. Shirley, H. Tsai, N. Cucciniello, J. Bird, Q. Jia, E. Torres, P. Butler, A. Butler, J. Crocco, E. Taha, A. Alhawsawi, J. Germino, M. Dor, C. Dun, O. Firat, J. Parker, M.W. Graham, K Novoselov, W. Nie, (2023) High-Efficiency X-ray Sensing with Recyclable Perovskite−Graphene Heterostructured Transistors, ACS Energy Letters, 8, 7, 3161–317

45.
A. N. Bradley*, S. G. Thorp*, G. Mayonado, S. A. Coporan, E. Elliott, M. W. Graham (2023), Photoreduced Graphene Oxide Recovers Graphene Hot Electron Cooling Dynamics, Physical Review B, 107, 224309, 1-12 (.pdf)

44.
G. W. Mattson, K.T. Vogt, J. F. Wager, M. W. Graham (2023), Illuminating trap density trends in amorphous oxide semiconductors with ultrabroadband photoconduction, Advanced Functional Materials, 33, 2300742, 1-10 (.pdf)

43. A. N. Bradley, V. Guay, S. G. Thorp, Y. Zhang, A. M. van der Zande, M. W. Graham, and Y.-S. Lee (2022) Nonlinear Optical Transmission in WSe2 Induced by Intense THz Fields , APS Laser Science, Technical Digest Optica Publishing, doi.org/10.1364/FIO.2022.FTh1C.3

42. G. Mayonado, K. V. Vogt, J. Van Schenck, L. Zhu, J. Anthony, O. Ostroverkhova, M. W. Graham, (2022) High symmetry anthradithiophene molecular packing motifs promote thermally-activated singlet fission, J Phys Chem C, Quantum Coherent Phenomena in Energy Harvesting (Invited), 126, 9 (.pdf)

41. G. W. Mattson, K.T. Vogt, J. F. Wager, M. W. Graham, (2022) Hydrogen incorporation into amorphous InGaZnOx thin-film transistors, Journal of Applied Physics, Defects in Semiconductors Special Issue, 131, 105701 (.pdf)

40. J. Van Schenck, G. Mayonado, J. Anthony, M. W. Graham, O. Ostroverkhova, (2021) Molecular packing-dependent exciton dynamics in functionalized anthradithiophene derivatives: from solutions to crystals, Journal of Chemical Physics,153, 164715

39. K. T. Vogt, C. Malmberg, J. Buchanan, G. Mattson, M. Brandt, D. Fast, P. H.-Y. Cheong, J. F. Wager, M. W. Graham, (2020) Ultrabroadband Density of States of Amorphous In-Ga-Zn-O, Physical Review Research, 2, 033358 (.pdf)

38. G. Mayonado, K. T. Vogt, J. Van Schenck, O. Ostroverkhova, M. W. Graham (2020) Packing Morphology-Dependent Singlet Fission in Single Crystal Anthradithiophene Derivatives, OSA Technical Digest: Ultrafast Phenomena, 3 pages (.pdf)

37.
K. T. Vogt, S.-F. Shi, F. Wang, M. W. Graham(2020) Ultrafast photocurrent and absorption microscopy of few-layer TMD devices isolate rate-limiting dynamics driving fast and efficient photoresponse, J Phys Chem C, Invited:Toward Chemistry in Real Space and Real Time,124, 28, 15195–15204 (.pdf)

36.
K. T. Vogt, G. W. Mattson, J. F. Wager, M. W. Graham(2020)  Ultrabroadband Photoconduction Response of Sub-gap Defects in Amorphous In-Ga-Zn-O Thin Film Transistors, ECS Transactions (20 pages), 97 (7), 339-357

35.
G. W. Mattson, K.T. Vogt, C. Malmberg, P. H.-Y. Cheong, J. F. Wager, M. W. Graham(2020) Effect of hydrogen incorporation on sub-gap density of states in amorphous InGaZnO thin-film transistors, Proc. SPIE 11281, Oxide-based Materials and Devices XI, 112811G, doi.org/10.1117/12.2545439 (8 pages) (.pdf)


2010 - 2019:

34. H. Patel, K. T. Vogt, C. Kim, J. Park, M. W. Graham, (2019) Tunable Photocurrent and Photoluminescence from Interlayer Excitons in Twisted Bilayer Graphene and 2D Semiconductors, Laser Science, Optical Society of America Technical Digest, LW5E.3

33. H. Patel, L. Huang, C.J. Kim, J. Park, M. W. Graham, (2019) Stacking Angle-Tunable Photoluminescence from Interlayer Exciton States in Twisted Bilayer Graphene, Nature Communications, 10, 1445 (arxiv .pdf) (supporting Info)

32. P. Orem, K. Vogt, M. W. Graham, F. Orem, (2018) Measuring Thermally-Driven LED Emissions via Voltage Modulation Near Zero Bias, Electronics, 7(12), 360-371

31.
C.N. Muniz, H. Patel, D. B. Fast, L. S. Rohwer, E. W. Reinheimer, M. Dolgos, M. W. Graham, M. Nyman, (2018) Structural and Luminescence studies of Heterometallic Coordination Polymers, Journal of Solid State Chemistry, 256, 48-56

30.J. McGlone, J. Pommerenck, M. W. Graham, J. Wager, (2018) Amorphous Metal Thin Films for Thermal Inkjet Printing, Journal of Microelectromechanical Systems, 27(2), 289-295

29. H. Patel, L. Huang, C.J. Kim, J. Park, M. W. Graham (2017) A Fine Structure of Strongly-Bound Interlayer Exciton States in Twisted Bilayer Graphene, OSA Technical Digest, 2 pages, doi:10.1364/CLEO_QELS.2017.FTh1F.5

28. H. Patel, K. T. Vogt, L. Huang, J. Park, M. W. Graham (2017) Ultrafast Microscopy Captures the Dynamics of Bound Excitons in Twisted Bilayer van der Waals Materials, Proc SPIE (keynote invited paper), 10 pages, doi:10.1117/12.2262003 (.pdf)

27.
K. Vogt, S. Shi, F. Wang, M. W. Graham (2016) Dynamic Resolution of Photocurrent Generating Pathways by Field-Dependent Ultrafast Microscopy, OSA Technical Digest: Ultrafast Phenomena, doi:10.1364/UP.2016.UW2A.3, 3 pages (.pdf)

26. K. Vogt, S. Shi, F. Wang, M. W. Graham (2016) Isolating Exciton Extraction Pathways with Electric Field-Dependent Ultrafast Photocurrent Microscopy, CLEO: OSA Technical Digest, doi: QELS-2016-FTu4L.6 (.pdf)

25. J. Chmeliov, J. Narkeliunas,M. W. Graham, G.R. Fleming, L.V. Valkunas, (2016) Exciton–exciton annihilation and relaxation pathways in semiconducting carbon nanotubes, Nanoscale, 8, 1618-26 (.pdf)

24. H. Patel, R. Havener, L. Brown, Y. Liang, L. Yang, J. Park, M. W. Graham (2015) Tunable Optical Excitations in Twisted Bilayer Graphene Form Strongly Bound Excitons, Nano Letters, 15, 5932-7 (.pdf)

Video 1 |Video 2 | Video 3 | | Supporting Info |

23. Y. Liang, R. Soklaski, S. Huang, M. W. Graham, R. Havener, J. Park, L. Yang, (2014) Strongly bound excitons in gapless two-dimensional structures, Phys Rev B, 90, 115418

22. M. W. Graham (2013) Carbon Nanotubes; Captured on Camera, Nature Nanotechnology, 8, 894-5

21. M. W. Graham, S. Shi, Z. Wang, D.C. Ralph, J. Park, P.L. McEuen (2013) Transient absorption and photocurrent microscopy show hot electron supercollisions describe the rate-limiting relaxation step in graphene, Nano Letters, 13, 5949-5952

20. C.-J. Kim, L. Brown, M. W. Graham, R. Hovden , R.W. Havener, P.L. McEuen, D.A. Muller, and J. Park (2013), Stacking Order Dependent Second Harmonic Generation and Topological Defects in h-BN Bilayers, Nano Letters, 13, 5660-5

19.M. W. Graham, S. Shi, D.C. Ralph, J. Park, P.L. McEuen (2013), Photocurrent measurements of supercollision cooling in graphene, Nature Physics, 9, 103 (.pdf)
(scienctific/popular press coverage)

18. M. W. Graham, S. Shi, D.C. Ralph, J. Park, P.L. McEuen (2013), Two-pulse space-time photocurrent correlations at graphene p-n junctions reveal hot carrier cooling dynamics near the Fermi level, Eur Phys J: Ultrafast Phenomena XVIII , 41, 0402

17. J. Kwak, J. Hwang, M. W. Graham, H. Alsalman, N. Munoz, B. Calderon, D. Campbell, M.G. Spencer, A high response MoS2-graphene hetero-junction photodetector with broad spectral range, IEEE DRC Proceeding, 1-2, 2013

16. T.R. Calhoun, J. Davis, M. W. Graham, G. R. Fleming, (2012) The Separation of Overlapping Transitions in Β-carotene with Broadband 2D Electronic Spectroscopy, Chemical Physics Letters (Frontiers article), 523, 1-5

15. M. W. Graham, T.R. Calhoun, A. Green, M. C. Hersam, G. R. Fleming, (2012) Two-dimensional electronic spectroscopy reveals the dynamics of phonon mediated excitation pathways in semiconducting single-walled carbon nanotubes, Nano Letters, 12, 813-819

14.M. W. Graham, Y.-Z. Ma, A. Green, M. C. Hersam, G. R. Fleming, (2011) Pure dephasing dynamics in semiconducting single-walled carbon nanotubes, Journal of Chemical Physics, 134, 034504-17

13.M. W. Graham, J. Chmeliov, Y.-Z. Ma, H. Shinohara, A.A. Green, M.C. Hersam, L. Valkunas, G.R. Fleming, (2011) Exciton Dynamics in Semiconducting Carbon Nanotubes, J Phys Chem B, Shaul Mukamel Fretschift Issue, 115, pp 5201–5211

12.M. W. Graham, T. Calhoun, A. Green, M.C. Hersam, G.R. Fleming, (2010) Two-dimensional electronic spectroscopy of semiconducting single-walled carbon nanotubes, Ultrafast Phenomena XVII (Oxford Series in Chemical Physics), pp. 221-224

11. T. Calhoun, J. Davis, M. W. Graham, G.R. Fleming, (2010) Vibrationally mediated dynamics in beta-carotene probed with broadband 2D electronic spectroscopy, Ultrafast Phenomena XVII (Oxford Series in Chemical Physics), pp. 568-570

10. J. Wang,M. W. Graham, Y.-Z. Ma, G. R. Fleming, R. Kaindl, (2010) Ultrafast Spectroscopy of Midinfrared Internal Exciton Transitions in Separated Single-Walled Carbon Nanotubes, Physcial Review Letters, 104, 177401.

9. J. Wang, M. W. Graham, Y.-Z. Ma, G. R. Fleming, R. Kaindl, (2010) Mid-Infrared Intra-Excitonic Response of Separated Single-Walled Carbon Nanotubes, Ultrafast Phenomena XVII (Oxford Series in Chemical Physics), pp. 568-570

8. M. W. Graham, Y.-Z. Ma , A. Green, M. C. Hersam, G.R. Fleming (2010) Exciton annihilation and dephasing dynamics in semiconducting single-walled carbon nanotubes , Proc. of SPIE (invited manuscript) , 7600, 76001F1-13


2006 - 2009:

7. D. Abramavicius, Y.-Z. Ma, M. W. Graham, L. Valkunas, G. R. Fleming, (2009) Dephasing in semiconducting single-walled carbon nanotubes induced by exciton-exciton annihilation, Phys Rev B, 79, 195445-195451

6. Y.-Z. Ma, M. W. Graham and G. R. Fleming and A. Green and M. C. Hersam, (2008) Ultrafast Exciton Dephasing in Semiconducting Single-Walled Carbon Nanotubes, Physcial Review Letters 101, 217402-6

5 .M. W. Graham, Y.-Z. Ma, G. R. Fleming, (2008) Femtosecond Photon Echo Spectroscopy of Semiconducting Single-Walled Carbon Nanotubes, Nano Letters, 8 (11), 3936-3941

4. Y.-Z. Ma, M. W. Graham, G. R. Fleming and A. Green, M. C. Hersam, (2008) Exciton Dephasing in Semiconducting Single-walled Carbon Nanotubes. Ultrafast Phenomena XVI, Springer Series in Chemical Physics, 92, 277

3. Y.-Z. Ma, M. W. Graham, M. Prantil, A. Van Tassel, G. R. Fleming, (2008) Femtosecond infrared spectroscopy of semiconducting single-walled carbon nanotubes , J Phys Chem B, 112, 16030-16034

2. Y.-Z. Ma, M. W. Graham, L. Valkunas, S. M. Bachilo, G. R. Fleming, (2006) Probing exciton dynamics of semiconducting single-walled carbon nanotubes using photon echo spectroscopy. Ultrafast Phenomena XV (Springer Series in Chemical Physics)

1. M. Salvador, M. W. Graham, G. D. Scholes (2006) Exciton-phonon coupling and disorder in the excited states of CdSe colloidal quantum dots, Journal of Chemical Physics, 125, 184709-184725


Graham Lab: Selected Conference Talks

2021-onwards:

61. CLEO, San Jose, CA

60. APS March Meeting, Las Vegas, NV --(contributed talks by Spencer Thorp and Viela G.)

59. Ultrafast Dynamics and Metastabiliy Workshop, Georgetown, DC (invited)

58. ECS International Meeting, Vancouver, BC, Canada (invited talk and contributed talk by George Mattson)

57. APS March Meetings, Chicago, USA --(contributed talks by Gina Mayonado)

56. Northwest Nanotechnology Infrastructure UW /OSU Seminar (invited)

55. AMSET Conference, Indira Gandhi University for Women, Delhi, IN (invited)

54. MRS Fall Meeting (invited), Boston, MA

53. ECS International Meeting (invited), Virtual Meeting

52. ECS International Meeting, Virtual Meeting (contributed Oral Talk by George Mattson)

51. ACS National Meeting (invited) --Virtual

50. ACS National Meeting, Virtual --(contributed Oral Talk by Gina Mayonado)

49. Ultrafast Bandgap Photonics and Metastabiliy Workshop, (invited virtual)

2018-2020:

48. Ultrafast Phenomena, Shanghai, China [virtual] (contributed Oral Talk by Gina Mayonado)

47. FiO/LS, Ultrafast Dynamics in Complex Materials (LS 2 program chair), Washington, DC [virtual],

46.
ECS Int Meeting (invited), Montreal, Nanocarbons Division, 2D Material Photophysics, QC [virtual]

45. ACS March Meeting (invited), Philadelphia, PA [Cancelled]

44. Ultrafast Phenomena in Semiconductors (invited), SPIE Photonics West, San Francisco, CA

43. Oxide-based Materials and Devices XI, San Francisco, CA (contributed Oral Talk by George Mattson)

42.
Quantum Sensing and Nano Electronics and Photonics, SPIE Photonics West (invited), San Francisco, CA

41. OSA Frontiers in Optics and Laser Science, Condensed Phase and Nanocrystal Spectroscopy (oral), Washington DC

40. ACS National Meeting (invited), San Diego, CA

39. McEuenFest, Ithaca, NY

38. Meeting, Cupertino, CA

37.
Ultrafast Bandgap Photonics V (org. committee, udm.georgetown.edu ), Washington DC

36. Materials Research Society (MRS) Fall Meeting (invited), Boston, MA

35.
Oregon State University, Physics Colloquium, Corvallis, OR

34.
University of Oregon, Departmental Seminar (invited), Eugene, OR

33. Telluride Science Research Center Workshop: Molecular Videography (invited), Telluride, CO

32.
WONTON, 7th Int. Workshop on Nanotube Optics & Nanospectroscopy (WONTON), Hakone, Japan

31. Northwest Regional Soc. of Physics Students Conference (invited), Corvallis, OR

30. 231st Electrochemical Society Meeting (invited), Seattle, WA

28.
SPIE, Ultrafast Bandgap Photonics III (org. committee, invited), Orlando, FL

29.
APS March Meeting, Los Angeles, CA 2018

2017-16:

28. Summative Meeting, Bay Area, CA

27. International Workshop on Ultrafast Dynamics & Metastability (invited talk), Washington, DC

26.
20th EDISON, International Conference on Electron Dynamics in Semiconductors, and Nanostructures[oral], Buffalo, NY

25. ACS NORM, 72nd Northwest ACS Meeting (invited talk), Corvallis, OR

24. 231st Electrochemical Society Meeting (ECS, invited talk) , New Orleans, LA

23. Portand State Physics Department Colloquium (invited talk), Portland, OR

22.CLEO: QELS Quantum Electronics and Laser Science [oral, Hiral Patel], San Jose, CA,

21.SPIE DCS- Ultrafast Bandgap Photonics (invited talk), Anaheim, CA,

20. MRS Spring Meeting [oral], Pheonix, AZ

19. APS March Meeting, New Orleans, LA [oral talks by both Kyle Vogt & Hiral Patel]

18. Ultrafast Phenomena in Semiconductors (invited talk) SPIE Photonics West[oral], San Francisco, CA

17. Oregon BestFest [invited posters], Portland OR

16.
Optical Molecular & Quantum Science (OMQ) Symposium 2016 invited[oral], Eugene OR

15. 20th International Conference on Ultrafast Phenomena [oral], Santa Fe, NM

14. CLEO: QELS Quantum Electronics and Laser Science [oral, Kyle Vogt], San Jose, CA

13. 229th Electrochemical Society Meeting (ECS, [oral-invited]) , San Diego, CA

12. OSA Regional Conferernce [oral-invited] , Corvallis OR

2014-15:

11. Graphene Week 2015, the Graphene Flagship [oral, Hiral Patel], Manchester, United Kingdom

10. APS/AAPT New Physics Faculty Workshop, American Centrer for Physics[participant], College Park, MD

9. 6th Workshop on Nanotube Optics & Nanospectroscopy (WONTON) [oral], Kloster Banz Abbey, Germany

8. SSP Annual Awards Night [Spectroscopy Soc. of Pittsburgh National Starter Award acceptance], Pittsburgh, PA

7.
Materials Research Society (MRS) Spring Meeting, San Francisco [oral], CA, US

6. APS March Meeting [oral, Hiral Patel], San Antonio TX

5. Reed College, Physics Department Colloquium [oral], Portland OR

4. APS New Laser Scientist Conference at FiO [oral], Tucson AZ

3. Willamette University, Physics Department Colloquium [oral], Salem OR

2. International Conference on Coherent Multidimensional Spectroscopy [posters], Eugene OR

1. Oregeon State University, Materials Science Seminar [oral], Corvallis OR