Publications

Prof. Wilson’s Google Scholar page.
Prof. Wilson’s ORCID page.

46. Harrison A. Mills, Samihat Rahman, Rachel Zigelstein, Hao Xu, Bryton R. Varju, Timothy P. Bender, Mark W.B. Wilson, and Dwight S. Seferos
“Sequence-Defined Conjugated Oligomers in Donor–Acceptor Dyads “
Journal of the American Chemical Society, 145(43):23519-23526 (2023)

45. Minhal Hasham†, Philippe B. Green†, Samihat Rahman, Francisco Yarur Villanueva, Christian J. Imperiale, Maxine J. Kirshenbaum, and Mark W.B. Wilson
“The smallest PbS nanocrystals pervasively show decreased brightness, linked to surface-mediated decay on the average particle “
Journal of Chemical Physics, 159:074704:1-11 (2023)
†These authors contributed equally
‘Normal’ (3-5nm) PbS QDs have remarkably clean photophysics, even without shells. Smaller? Madness! Minhal & Philippe show that the slow, anomalous kinetics that emerge appear intrinsic to the average particle’s surface.

44. Katelyn Dixon, Minhal Hasham, Moein Shayegannia, Naomi Matsuuura, Mark W.B. Wilson, and Nazir P. Kherani
“Plasmonic Bullseye Nanocavities for Broadband Light Localization and Multi‐Wavelength SERS “
Advanced Optical Materials, 2300878:1-8 (2023)

43. Reynolds Dziobek-Garrett†, Christian J. Imperiale†, Mark W.B. Wilson*, and Thomas J. Kempa*
“Photon Upconversion in a Vapor Deposited 2D Inorganic–Organic Semiconductor Heterostructure “
Nano Letters, 23(11):4837-4843 (2023)
†These authors contributed equally
*Corresponding authors Oh the places they’ll go! A delightful cross-border collaboration with Reynolds (a former undergraduate thesis student) & his graduate advisor Tom at Johns Hopkins University. Reynolds & Christian teamed up to show that vapour-grown large-area ~monolayer WSe₂ can effectively sensitize solid-state triplet-fusion upconversion. It’s remarkable that a couple-atom-thick film can absorb light so strongly, but did we then ever find ourselves with a photophysical can of worms!

42. Pan Xia, Bin Sun, Margherita Biondi, Jian Xu, Ozan Atan, Muhammad Imran, Yasser Hassan, Yanjiang Liu, Joao M. Pina, Amin Morteza Najarian, Luke Grater, Koen Bertens, Laxmi Kishore Sagar, Husna Anwar, Min‐Jae Choi, Yangning Zhang, Minhal Hasham, F. Pelayo García de Arquer, Sjoerd Hoogland, Mark W.B. Wilson, Edward H. Sargent
“Sequential Co-Passivation in InAs Colloidal Quantum Dot Solids Enables Efficient Near-Infrared Photodetectors “
Advanced Materials, 35(28)2301842:1-8 (2023)

41. Victor Quezeda-Novoa, Hatem M. Titi, Francisco Yarur Villanueva, Mark W.B. Wilson, and Ashlee J. Howarth
“The Effect of Linker‐to‐Metal Energy Transfer on the Photooxidation Performance of an Isostructural Series of Pyrene‐Based Rare‐Earth Metal–Organic Frameworks “
Small, 19(36):2302173:1-9 (2023)

40. Minhal Hasham, Pournima Narayanan, Francisco Yarur Villanueva, Philippe B. Green, Christian J. Imperiale, Minhal Hasham, and Mark W.B. Wilson
“ Sequential Carrier Transfer Can Accelerate Triplet Energy Transfer from Functionalized CdSe Nanocrystals “
Journal of Physical Chemistry Letters, 14(7):1899-1909 (2023)
Imagining, designing, performing (and adapting) a suite of controlled experiments (QDs are complicated!), Minhal charted the photophysics of tailor-functionalized CdSe nanocrystals to understand energy transfer to surface-anchored transmitter ligands. This can proceed via correlated exciton transfer or sequential carrier hops… so which one? And why might it matter?. He found that sequential transfer can be very fast, but only becomes dominant when the thermodynamic barrier to the initial hole-transfer step is than ~4kT. Intriguingly, his transient photoluminescence also shows that the dynamics of NC band-edge and trap states are consistent with a quasi-equilibrium. This builds on Christian’s surprising result in ultra-small PbS, and shows that photoexcitations can ultimately be extracted for upconversion even when a carrier is initially trapped.

39. Xiaoyue Li†, Deying Luo†, Philippe B. Green†, Chenyue Qiu, Mingyang Wei, Hongyu Yu, Edward H. Sargent, Mark W.B. Wilson, Zheng-Hong Lu
“Vapor‐Phase Deposition of Highly Luminescent Embedded Perovskite Nanocrystals “
Advanced Optical Materials, 10(11):2102809 (2022)
†These authors contributed equally

38. Bruno Ehrler*, Anita W.Y. Ho-Baillie, Eline M. Hutter, Jovana V. Milić, Murad J.Y. Tayebjee, Mark W.B. Wilson
“Scalable ways to break the efficiency limit of single-junction solar cells “
Applied Physics Letters, 120(1):010402 (2022)
*Corresponding Author

37. Susan Cheng, Alicia M. Battaglia, Christian J. Imperiale, Alan Lough, Mark W.B. Wilson, Dwight S. Seferos
“Synthesis and optoelectronic properties of radical conjugated polyfluorenes “
Chemical Communications, 58(62):8630–8633 (2022)

36. Philippe B. Green, Francisco Yarur Villanueva, Karl Z. Demmans, Christian J. Imperiale, Minhal Hasham, Ehsan Nikbin, Jane Y. Howe, Darcy C. Burns, and Mark W.B. Wilson
“ PbS Nanocrystals Made Using Excess Lead Chloride Have a Halide-Perovskite-Like Surface “
Chemistry of Materials, 33(23):9270-9284 (2021)
Philippe presents our case that the intrinsic surface of PbS nanocrystals made with excess PbCl₂ (i.e. Cademartiri/Weidman-style) is a ~half-layer of a 2D chloride perovskite lattice. This insight not only helps us improve how we handle and functionalize these high-quality nanoparticles, but also reconciles structural oddities and what others (e.g. Mengxia Liu, Ted Sargent, Joseph Luther) have have achieved with dot-in-perovskite devices. Notably, we can observe 2D lead-halide perovskites forming in situ prior to sulfur injection. Because PbS nanocrystals made from halides show distinct nucleation and growth kinetics from chloride-free syntheses, we speculate that such ‘intermediates’ are relevant for many types of QDs.

35. Francisco Yarur Villanueva, Philippe B. Green, Chenyue Qiu, Shahnaj R. Ullah, Kirstin Buenviaje, Jane Y. Howe, Marek B. Majewski, Mark W.B. Wilson
“Binary Cu_2–xS Templates Direct the Formation of Quaternary Cu₂ZnSnS₄; (Kesterite, Wurtzite) Nanocrystals “
ACS Nano, 15(11):18085-18099 (2021)
Francisco’s investigation of the intricacies of CZTS nanocrystal formation through control of templating binary intermediates. We reveal the unheralded significance of reduced metal impurities, and develop of protocols that can tune between binary Cu_2-xS intermediates using the sulfur source alone. This underpins our demonstration of the key role of these templating intermediates in ensuring phase-pure quaternary products in this complex material family, which we show using PXRD, Raman, Optical Spectroscopy, and high-resolution TEM.

34. Christian J. Imperiale, Philippe B. Green, Minhal Hasham, Mark W.B. Wilson
“Ultra-small PbS nanocrystals as sensitizers for red-to-blue triplet-fusion upconversion “
Chemical Science, 12:14111-14120 (2021)
Christian used Philippe’s ultra-small PbS (< 2nm), which combine:
• a long (> us) excited-state lifetime that permits mildly endothermic sensitization scheme to maximize the anti-Stokes shift during triplet fusion, with
• ‘enough’ bandgap energy so that we can photoinitiate MMA polymerization using the blue light generated in situ by combining the energies of two 637nm photons.
Then, we can observe and model the quasi-equilibrium dynamics between nanocrystal and ligand, and we find that triplet transfer is slow (~5us). Still, 6% of excitations ultimately reach the DPA acceptor and the I_th is only 220mW/cm^2. We can characterize the quasi-equilibrium with the molecular triplet (a state with known energy), and find that the strongly Stokes-shifted PL peak of these ultra-small NCs (happily!) underestimates the chemical potential of their photoexcitations. Improving photostability is a clear next-step, but ultra-small PbS QDs already combine a handful of advantages, so unravelling their complex photophysics are top-of-our-minds.

33. Kamil M. Krawczyk, Antoine Sarracini, Philippe B. Green, Minhal Hasham, Kuangyi Tang, Olivier Paré-Labrosse, Oleksandr Voznyy, Mark W.B. Wilson, R.J. Dwayne Miller
“Anisotropic, Nonthermal Lattice Disordering Observed in Photoexcited PbS Quantum Dots “
The Journal of Physical Chemistry C, 125(40):22120-22132 (2021)

32. Philippe B. Green, Francisco Yarur Villanueva, Christian J. Imperial, Minhal hasham, Karl Z. Demmans, Darcy C. Burns, and Mark W.B. Wilson
“Directed Ligand Exchange on the Surface of PbS Nanocrystals: Implications for Incoherent Photon Conversion “
ACS Applied Nano Materials, 4(6):5655-5664 (2021)

Revealing the morphology adopted by the ligands used for triplet fusion upconversion on the surface of colloidal quantum dots. Here, Philippe used ¹NMR as a probe and L-type-promoted Z-type ligand displacement as a tool to demonstrate that 9-ACA (the canonical ‘exciton transmitting’ ligand) strongly segregates to the high-energy (i.e. weakest) binding sites when installed on PbS NCs through X-for-X-type ligand exchange. These weaker sites are associated with nanocrystal facet-edges, and our corroborating measurements indicate that this inherent difference works together with ligand-ligand interactions to produce an anisotropic ligand morphology. This opportunity to promote the clustering of photoactive ligands will influence the design of functionalized nanocrystals for upconversion and photochemistry. (Also, ‘TMEDA-man’ might be our favourite TOCfig yet!)

31. Philippe B. Green, Zhibo Wang, Christian J. Imperial, Oleksandr Voznyy, and Mark W.B. Wilson
“Glycol ether additives control the size of PbS nanocrystals at reaction completion “
Journal of Materials Chemistry C, 8:12068-12074 (2020)

Improving chemical control over the nucleation and growth of colloidal nanocrystals advances optoelectronic applications. Here, we followed from our previous work, and found that added glycol ethers promote the nucleation of PbS nanocrystals over the formation of metastable clusters, offering orthogonal control of nanocrystal size at reaction completion. This effect correlates with multidentate co-ordination to Pb(oleate)_2, corroborated by DFT calculations from our collaborators in Prof. Voznyy’s Clean Energy group at UofT Scarborough.

Want the story straight from Philippe? Check out his WilsonLab ResearchTalk , where he gives an overview of his discovery of the key role of pre-nucleation clusters in the colloidal synthesis of PbS quantum dots.

30. Minhal Hasham and Mark W.B. Wilson
“Sub-Bandgap Optical Modulation of Quantum Dot Blinking Statistics “
Journal of Physical Chemistry Letters, 11:6404-6412 (2020)

Colloidal quantum dots (QDs) suffer from ‘blinking’—a pervasive phenomenon where their fluorescence erratically switches on and off. Though blinking frustrates applications and correlates with irreversible photodegradation, the mechanism has remained unclear despite extensive study. Here, Minhal describes how we developed a technique to perturb individual CdSe|ZnS quantum dots using a sub-bandgap laser while monitoring their fluorescence, which included designing an algorithm to robustly distinguish the weak emission of a single quantum dot from the background laser scatter. This allowed us to examine the statistics of blinking and find something unexpected—not only does optical modulation resonant to the stimulated emission transition suppress long-duration ON events, it does so (statistically speaking) in a timescale-free manner. Our observations support mechanistic descriptions of blinking that go beyond first-order kinetics, and show that optical modulation of individual quantum dots can be a new experimental avenue to disentangle the complex photophysics of blinking.

Would you like to hear more? You’re in luck! In one of the first WilsonLab ResearchTalks , Minhal gives a nine-minute overview of his work!

29. Philippe B. Green, Pournima Narayanan, Ziqi Li, Philip Sohn, Christian J. Imperiale, and Mark W.B. Wilson
“Controlling Cluster Intermediates Enables the Synthesis of Small PbS Nanocrystals with Narrow Ensemble Line Widths “
Chemistry of Materials, 32(9):4083–4094 (2020)

Philippe discovered that small, lead-rich pre-nucleation clusters are formed pervasively in conventional synthesis of PbS nanocrystals. These clusters complicate the kinetics of nucleation and growth, and have frustrated efforts to obtain narrow size-dispersities. Philippe then found that the clusters can be controllably suppressed with amine additives to yield unprecedentedly narrow ensemble line-widths for ultra-small (<4nm) particles. Better energetic dispersity will improve energy transport in quantum dot devices 

28. Christian J. Imperiale, Philippe B. Green, Ethan G. Miller, Niels H. Damrauer, and Mark W.B. Wilson
“Triplet-Fusion Upconversion Using a Rigid Tetracene Homodimer “
Journal of Physical Chemistry Letters, 10(23):7463–7469 (2019)

Christian headed a collaborative effort that discovered that TIPS-bistetracene, a rigid molecular dimer recently synthesized in the Damrauer Group at University of Colorado Boulder, not just achieves triplet fusion upconversion, but does so with unusual efficiency. Moreover, our comprehensive effort—combining optical spectroscopy and kinetic modelling—showed that the upconversion photophysics of the dimer are fundamentally different than conventional monomeric annihilators, and hint that the beneficial involvement of the overall-spin-quintet biexcitonic state might break through the conventional spin-statistical performance limit! 

27. Philippe B. Green, Ziqi Li, and Mark W.B. Wilson
“PbS Nanocrystals Made with Excess PbCl₂ Have an Intrinsic Shell that Reduces Their Stokes Shift“
Journal of Physical Chemistry Letters, 10(19):5897–5901 (2019)

Philippe and Ziqi show that PbS nanocrystals synthesized using excess PbCl₂ (per Wiedman after Cademartiri) are physically larger than nanocrystals with the same optical gap made conventionally (per Hines). We then found that  excess-lead-chloride nanocrystals show lattice strain and reduced Stokes shifts at intermediate sizes, all consistent with the presence of an chloride-containing shell. Our work, alongside contemporary reports, reconciles previously-unexplained differences between these materials and gives guidance for their use in devices

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26. Lea Nienhaus, Mengfei Wu, Nadav Geva, James J. Shepherd, Mark W.B. Wilson, Vladimir Bulovic, Troy Van Voorhis, Marc A. Baldo, and Moungi G. Bawendi
“A Speed Limit for Triplet Exciton Transfer in Solid-State PbS Nanocrystal-Sensitized Photon Upconversion“
ACS Nano, 11(8):7848–7857 (2017)

25. Riley E. Brandt, Jeremy R. Poindexter, Prashun Gorai, Rachel C. Kurchin, Robert L. Z. Hoye, Lea Nienhaus, Mark W. B. Wilson, J. Alexander Polizzotti, Raimundas Sereika, Raimundas Žaltauskas, Lana C. Lee, Judith L. MacManus-Driscoll, Moungi Bawendi, Vladan Stevanovic, and Tonio Buonassisi
“Searching for “defect-tolerant” photovoltaic materials: Combined theoretical and experimental screening“
Chemistry of Materials, 29(11):4667–4674 (2017)

24. Oliver T. Bruns†, Thomas S. Bischof†, Daniel K. Harris, Daniel Franke, Yanxiang Shi, Lars Riedemann, Alexander Bartelt, Frank B. Jaworski, Jessica A. Carr, Christopher J. Rowlands, Mark W.B. Wilson, Ou Chen, He Wei, Gyu Weon Hwang, Daniel Montana, Igor Coropceanu, Odin B. Achorn, Jonas Kloepper, Joerg Heeren, Peter T.C. So, Dai Fukumura, Klavs F. Jensen, Rakesh K. Jain, and Moungi G. Bawendi
“Next-generation in vivo optical imaging with short-wave infrared quantum dots“
Nature Biomedical Engineering, 0056 (2017)
†These authors contributed equally.
* Highlighted in a ‘News & Views’ in Nature Biomedical Engineering
* Highlighted in an MIT Press Release
* Highlighted in a ‘News & Events‘ by the National Institute of Biomedical Imaging and Bioengineering

23. Daniel Franke, Daniel K. Harris, Ou Chen, Oliver T. Bruns, Jessica A. Carr, Mark W.B. Wilson, and Moungi G. Bawendi
“Continuous injection synthesis of indium arsenide quantum dots emissive in the short-wavelength infrared“
Nature Communications 12749 (2016)

22. Justin R. Caram, Sophie N. Bertram, Hendrik Utzat, Whitney R. Hess, Jessica A. Carr, Thomas S. Bischof, Andrew P. Beyler, Mark W.B. Wilson, and Moungi G. Bawendi
“PbS Nanocrystal Emission Is Governed by Multiple Emissive States“
Nano Letters 16(10):6070–6077 (2016)

21. Mengfei Wu†, Daniel N. Congreve†, Mark W.B. Wilson†, Joel Jean, Nadav Geva, Matthew Welborn, Troy Van Voorhis, Vladimir Bulovic, Moungi G. Bawendi, and Marc A. Baldo
“Solid-state infrared-to-visible upconversion sensitized by colloidal nanocrystals”
Nature Photonics 10:31–34 (2016)
†These authors contributed equally
*Cited more than 100 times

20. Robert L.Z. Hoye, Riley E. Brandt, Anna Osherov, Vladan Stevanovic, Samuel D. Stranks, Mark W.B. Wilson, Hyunho Kim, Austin J. Akey, John D. Perkins, Rachel C. Kurchin, Jeremy R. Poindexter, Evelyn N. Wang, Moungi G. Bawendi, Vladimir Bulovic, and Tonio Buonassisi
“Methylammonium bismuth iodide as a lead-free, stable hybrid organic-inorganic solar absorber”
Chemistry – A European Journal 22(8):2605–2610 (2016)
*Cited more than 100 times

19. Artem A. Bakulin, Sarah E. Morgan, Tom B. Kehoe, Mark W.B. Wilson, Alex W. Chin,
Donatas Zigmantas, Dassia Egorova, and Akshay Rao
“Real-Time Observation of Multiexcitonic States in Ultrafast Singlet Fission Using Coherent 2D Electronic Spectroscopy”
Nature Chemistry 8:16–23 (2016)
*Cited more than 100 times

18. Riley E. Brandt, Rachel C. Jurchin, Robert L.Z. Hoye, Jeremy R. Poindexter, Mark W.B. Wilson, Soumitra Sulekar, Frances Lenahan, Patricia X.T. Yen, Vladan Stevanocic, Juan C. Nino, Moungi G. Bawendi, and Tonio Buonassisi
“Investigation of bismuth triiodide for photovoltaic applications”
Journal of Physical Chemistry Letters 6:4297–4302 (2015)

17. Gyu Weon Hwang, Donghun Kim, Jose M. Cordero, Mark W.B. Wilson, Chia-Hao M. Chuang, Jeffrey C. Grossman, and Moungi G. Bawendi
“Identifying and Eliminating Emissive Sub-bandgap States in Thin Films of PbS Nanocrystals”
Advanced Materials 27(30):4481–4486 (2015)

16. Nicholas J. Thompson†, Mark W.B. Wilson†, Daniel N. Congreve†, Patrick R. Brown, Jennifer M. Scherer, Thomas S. Bischof, Mengfei Wu, Nadav Geva, Matthew Welborn, Troy Van Voorhis, Vladimir Bulovic, Moungi G. Bawendi, and Marc A. Baldo
“Energy harvesting of non-emissive triplet excitons in tetracene by emissive PbS nanocrystals”
Nature Materials 13:1039–1043 (2014)
†These authors contributed equally.
*Highlighted in a ‘News & Views’ in Nature Materials
*Cited more than 100 times

15. Shane R. Yost†, Jiye Lee†, Mark W.B. Wilson, Tony Wu, David P. McMahon, Rebecca R. Parkhurst, Nicholas J. Thompson, Daniel N. Congreve, Akshay Rao, Kerr Johnson, Matthew Y. Sfeir, Moungi G. Bawendi, Timothy M. Swager, Richard H. Friend, Marc A. Baldo, and Troy Van Voorhis
“A transferable model for singlet-fission kinetics”
Nature Chemistry 6:492–497 (2014)
*Cited more than 200 times

14. Mark W.B. Wilson, Akshay Rao, Kerr Johnson, Simon Gélinas, Riccardo di Pietro, Jenny Clark, and Richard H. Friend
“Temperature-Independent Singlet Exciton Fission in Tetracene”
Journal of the American Chemical Society 135(44):16680–16688 (2013)
*Selected for a ‘JACS Spotlight’
*Cited more than 100 times

13. Jian Cui, Andrew P. Beyler, Thomas S. Bischof, Mark W.B. Wilson, and Moungi G. Bawendi
“Deconstructing the photon stream from single nanocrystals: from binning to correlation”
Chemical Society Reviews 43:1287–1310 (2013)

12. Mark W.B. Wilson, Akshay Rao, Bruno Ehrler, and Richard H. Friend
“Singlet Exciton fission in polycrystalline pentacene: From photophysics toward devices”
Accounts of Chemical Research 46(6):1330–1338 (2013)
*Cited more than 100 times

11. Andrey D. Poletayev, Jenny Clark, Mark W.B. Wilson, Akshay Rao, Yoshitaka Makino, Shu Hotta, and Richard H. Friend
“Triplet Dynamics in Pentacene Crystals: Applications to Fission-Sensitized Photovoltaics”
Advanced Materials 26(6):919–924 (2013)

10. Bruno Ehrler, Brian J.Walker, Marcus L. Böhm, Mark W.B. Wilson, Yana Vaynzof, Richard H. Friend, and Neil C. Greenham
“In situ measurement of exciton energy in hybrid singlet-fission solar cells”
Nature Communications 3:1019 (2012)
*Cited more than 100 times

9. Simon Gélinas, James Kirkpatrick, Ian A. Howard, Kerr Johnson, Mark W.B. Wilson, Giuseppina Pace, Richard H. Friend, and Carlos Silva
“Recombination dynamics of charge pairs in a push-pull polyfluorene-derivative”
The Journal of Physical Chemistry B 117(16):4649–4653 (2012)

8. Bruno Ehrler, Mark W.B. Wilson, Akshay Rao, and Richard H. Friend
“Singlet exciton fission-sensitized infrared quantum dot solar cells”
Nano Letters 12(2):1053–1057 (2012)
*Cited more than 100 times

7. Mark W.B. Wilson, Akshay Rao, Jenny Clark, R. Sai Santosh Kumar, Daniele Brida, Giulio Cerullo, and Richard H. Friend
“Ultrafast dynamics of exciton fission in polycrystalline pentacene”
Journal of the American Chemical Society 133(31):11830–11833 (2011)
*Cited more than 200 times

6. Richard H. Friend, Matthew Phillips, Akshay Rao, Mark W.B. Wilson, Zhe Li, and
Christopher R. McNeill
“Excitons and charges at organic semiconductor heterojunctions”
Faraday Discussions 155:339–348 (2011)

5. Akshay Rao, Mark W.B. Wilson, Sebastian Albert-Seifried, Riccardo Di Pietro, Richard H. Friend
“Photophysics of pentacene thin films: The role of exciton fission and heating effects”
Physical Review B 84(19):195411 (2011)

4. Akshay Rao†, Mark W.B. Wilson†, Justin M. Hodgkiss, Sebastian Albert-Seifried, Heinz Bässler, and Richard H. Friend
“Exciton fission and charge generation via triplet excitons in pentacene/C60 bilayers”
Journal of the American Chemical Society 132(36):12698–12703 (2010)
†These authors contributed equally.
*Cited more than 200 times, highlighted in a ‘News & Views’ in Nature Materials

3. Yee-Fan Xiao, Tam Q. Nhan, Mark W.B. Wilson, and James M. Fraser
“Saturation of the Photoluminescence at Few-Exciton Levels in a Single-Walled Carbon Nanotube under Ultrafast Excitation”
Physical Review Letters 104(1):1–4 (2010)

2. Natalie O.V. Plank, Ian A. Howard, Akshay Rao, Mark W.B. Wilson, Caterina Ducati,
Rajaram Sakharam Mane, James S. Bendall, Rami R.M. Louca, Neil C. Greenham, Hidetoshi Miura, Richard H. Friend, Henry J. Snaith, and Mark E. Welland
“Efficient ZnO Nanowire Solid-State Dye-Sensitized Solar Cells Using Organic Dyes and Core-Shell Nanostructures”
The Journal of Physical Chemistry C 113(43):18515-18522 (2009)

1. Jack Barnes, Brent Carver, James M. Fraser, Gianluca Gagliardi, Hans-Peter Loock, Zhaobing Tian, Mark W.B. Wilson, Scott Yam, and Oksana Yastubshak
“Loss determination in microsphere resonators by phase-shift cavity ring-down measurements”
Optics Express 16(17):13158–13167 (2008)