Recent XYZ Group Publications

| Home | Group members |


208. Yu Zhong, M. Tuan Trinh, Rongsheng Chen, Geoff Purdum, Petr P. Khlyabich, Melda Sezen, Seokjoon Oh, Haiming Zhu, Brandon Fowler, Boyuan Zhang, Wei Wang, Chang-Yong Nam, Matthew Y. Sfeir, Charles Black, Michael L. Steigerwald, Yueh-Lin Loo, Hexing Li, Shengxiong Xiao, Fay Ng, X.-Y. Zhu, Colin Nuckolls, “Molecular helices as electron acceptors in high-performance bulk heterojunction solar cells,” Nature Commun. 2015, 6.

207. Samuel N. Sanders, Andrew B. Pun, M. Tuan Trinh, Bonnie Choi, Jianlong Xia, Elliot J. Taffet, Jonathan Z. Low, John R. Miller, Xavier Roy, X.-Y. Zhu, Michael L. Steigerwald, Matthew Y. Sfeir, Luis M. Campos, “Quantitative Intramolecular singlet fission in bipentacenes,” J. Am. Chem. Soc. 2015, 137, 8965–8972.

206. Kin W. Lei, X.-Y. Zhu, D. L. Fan, “Rational fabrication of arrays of plasmonic metal−quantum dot sandwiched nanodisks with enhanced Förster resonance energy transfer,” J. Phys. Chem. C, 2015, 119, 16230−16238.

205.    X.-Y. Zhu, N. R. Monahan, Z. Gong, H. Zhu, K. J. Williams, C. A. Nelson, “Perspective: charge transfer excitons at van der Waals interfaces,” J. Am Chem. Soc. 2015, 137, 8313-8320.

204.    Nicholas R. Monahan, Kristopher W. Williams, Bharat Kumar, Colin Nuckolls, X.-Y. Zhu, “Direct observation of entropy driven electron-hole pair separation at an organic semiconductor interface,” Phys. Rev. Lett. 2015, 114, 247003.

203.    M. Tuan Trinh, Xiaoxi Wu, D. Niesner, X.-Y. Zhu, “Many-body interactions in photo-excited lead iodide perovskite,” J. Mater. Chem. A 2015, 3, 9285-9290.

202.    Xiaoxi Wu, M. Tuan Trinh, X.-Y. Zhu, “Exciton many-body interactions in two-dimensional lead iodide perovskite quantum wells,” J. Phys. Chem. C. 2015, 119, 14714-14721.

201.    X.-Y. Zhu, “Photoemission from excitons in organic semiconductors,” J. Elec. Spec. Rel. Phenom. 2015, 202, in press.

200.    Haiming Zhu, Yongping Fu, Fei Meng, Xiaoxi Wu, Zizhou Gong, Qi Ding, Martin V. Gustafsson, M. Tuan Trinh, Song Jin, X.-Y. Zhu, “Lead halide perovskite nanowire lasers with low lasing thresholds and high quality factors,” Nature Mater. 2015, 14, 636-642.

199.    X. Wu, M. T. Trinh, D. Niesner, H. Zhu, Z. Norman, J. S. Owen, O. Yaffe, B. J. Kudisch, X.-Y. Zhu, “Trap States in Lead Iodide Perovskites,” J. Am. Chem. Soc. 2015, 137, 2089–2096.

198. N. R. Monohan, X.-Y. Zhu, “Charge Transfer-Mediated Singlet Fission” Annu. Rev. Phys. Chem. 2015, 66, 601-618.

197. Erik Busby, Jianlong Xia, Qin Wu, Jonathan Z. Low, Rui Song, John R. Miller, X-Y. Zhu, Luis M. Campos, Matthew Y. Sfeir, A design strategy for intramolecular singlet fission mediated by charge-transfer states in donor-acceptor systems. Nature Mater. 2015, 14, 426-433.

196. M. Tuan Trinh, Yu Zhong, Theanne Schiros, Qishui Chen, Steffen Jockusch, Matthew Y. Sfeir, Michael Steigerwald, Colin Nuckolls, X.-Y. Zhu, “Intra- to Inter-Molecular Singlet Fission,” J. Phys. Chem. C 2015, 119.


195. C. A. Nelson, J. Luo, A. Jen, R. B. Laghumavarapu, D.L. Huffaker, X.-Y. Zhu, “Time, energy, and phase resolved second harmonic generation at semiconductor interfaces,” J. Phys. Chem. C 2014, 118, 27981–27988.

194. Yu Zhong, M. Tuan Trinh, Rongsheng Chen, Willy Wang, Bharat Kumar, Chang-Yong Nam, Matthew Y. Sfeir, Charles Black, Shengxiong Xiao, Michael L. Steigerwald, Fay Ng, X.-Y. Zhu, Colin Nuckolls, “Efficient organic solar cells with helical perylene diimide electron acceptors”, J. Am. Chem. Soc., 2014, 136, 15215–15221

193. X. Y. Zhu, “How to Draw Energy Level Diagrams in Excitonic Solar Cells,” J. Phys. Chem. Lett. 2014, 5, 2283–2288.

192. Yu Zhong, Bharat Kumar, Seokjoon Oh, M. Tuan Trinh, Ying Wu, Katherine Elbert, Panpan Li, X.-Y. Zhu, Shengxiong Xiao, Fay Ng, Michael L. Steigerwald, Colin Nuckoll, “Helical Ribbons for Molecular Electronics,” J. Am. Chem. Soc. 2014, 136, 8122-8130.

191. Erik Busby, Timothy C. Berkelbach, Bharat Kumar, Alexey Chernikov, Yu Zhong, Htay Hlaing, X.-Y. Zhu, Tony F. Heinz, Mark S. Hybertsen, Matthew Y. Sfeir, David R. Reichman, Colin Nuckolls, Omer Yaffe, “Multiphonon relaxation slows singlet fission in crystalline hexacene,” J. Am. Chem. Soc. 2014, 136, 1391-1397.

190. Xiaoxi Wu, Heungman Park, X.-Y. Zhu, “Probing Transient Electric Fields in Photo-excited Organic Semiconductor Thin Films and Interfaces by Time-resolved Second Harmonic Generation,” J. Phys. Chem. C 2014, 118, 10670–10676. DOI:

189. Lei Shen, Yini Wang, Chia-I Lin, H.-W. Liu, Athena Guo, X.-Y. Zhu, “Membrane Environment Can Enhance the Interaction of Glycan Binding Protein to Cell Surface Glycan Receptors,” ACS Chem. Biol. 2014, 9, 1877-1884. DOI:

188. Jeong Won Kim, Heungman Park, X.-Y. Zhu, “Charge transport and separation dynamics at the C60/GaAs(001) interface,” J. Phys. Chem. C, 2014, 118 (6), pp 2987–2991



187. M. Tuan Trinh, M. Y. Sfeir, J. J. Choi, J. S. Owen, X.-Y. Zhu, “A hot electron-hole pair breaks the symmetry of a semiconductor quantum dot,” Nano Lett. 13, 6091-6097 (2013).

186.    J. R. Tritsch, W.-L. Chan, X. Wu, N. R. Monahan, X.-Y. Zhu, “Harvesting singlet fission for solar energy conversion via triplet energy transfer,” Nature Commun. 4, 2679 (2013).

185.    C. A. Nelson, N. R. Monahan, X.-Y. Zhu, “Exceeding the Shockley–Queisser Limit in Solar Energy Conversion,” Energy & Environmental Science 6 (2013).

184.     J. D. Morris, T. L. Atallah, H. Park, Z. Ooi, A. Dodabalapurd, X.-Y. Zhu, “Quantifying space charge accumulation in organic bulk heterojunctions by nonlinear optical microscopy,” Organic Electronics 14 (2013) 3014-3018.

183. X.-Y. Zhu, Guest Editorial:  Exceeding the limit in solar energy conversion with multiple excitons," Acct. Chem. Res. 46 (2013) 1239-1241.

182. H. Park, M. Gutierrez, X. Wu, J. W. Kim, X.-Y. Zhu, “Optical probe of charge separation at organic/inorganic semiconductor interfaces,” J. Phys. Chem. C 117 (2013) 10974-10979.

181.    Wai-Lun Chan, Timothy C. Berkelbach, Makenzie R. Provorse, Nicholas R. Monahan, John R. Tritsch, Mark S. Hybertsen, David R. Reichman, Jiali Gao, X.-Y. Zhu, “The quantum coherent mechanism for singlet fission: experiment and theory,” Acct. Chem. Res. 46 (2013).

180.    J. D. Morris, T. L. Atallah, C. J. Lombardo, A. Dodabalapur, X.-Y. Zhu, “Mapping electric field distributions in biased organic bulk heterojunctions under illumination by nonlinear optical microscopy,” Appl. Phys. Lett. 102, 033301 (2013).

179.    K. J. Williams, C. A. Nelson, X. Yan, L. Li, X.-Y. Zhu, “Hot electron injection from graphene quantum dots to TiO2,” ACS Nano 4 (2013) 1388-1394,

178.    K. W. Lei, Tyler West, X.-Y. Zhu, “Template-assembly of quantum dot molecules,” J. Phys. Chem. B.  116 (2013) 4582-4586.

177.    A. Jailaubekov, A. P. Willard, J. Tritsch, W.-L. Chan, N. Sai, R. I. Gearba, L. G. Kaake, K. J. Williams, K. Leung, P. J. Rossky, X.-Y. Zhu, “Hot charge transfer excitons set the time limit for charge separation at donor/acceptor interfaces in organic photovoltaics,” Nature Mater. 12 (2013) 66-73.


176.    H.-Y. Chen, S. Maiti, Cory A. Nelson, X.-Y. Zhu, Dong Hee Son, “Tuning Temperature Dependence of Dopant Luminescence via Local Lattice Strain in Core/Shell Nanocrystal Structure,” J. Phys. Chem. C 116 (2012).

175.    W.-L. Chan, J. R. Tritsch, X.-Y. Zhu, “Harvesting singlet fission for solar energy conversion: one versus two electron transfer from the quantum mechanical superposition,” J. Am. Chem. Soc. 134 (2012) 18295–18302.

174.    Hanu-Yuan Gong, Brett M Rambo, Cory Nelson, Vincent M Lynch, X.-Y. Zhu, Jonathan Sessler, “Rare-earth cation effects on three-dimensional metal-organic rotaxane framework (MORF) self assembly,” Chem. Comm. 48 (2012).

173.    N. Sai, R. I. Gearba, A. Dolocan, J. Tritsch, W.-L. Chan, J. R. Chelikowsky, K. Leung, X.-Y. Zhu, “Understanding the interfacial dipole field of copper phthalocyanine (CuPc)/C60: theory and experiment” J. Phys. Chem. Lett. 3 (2012) 2173-2177.

172.    L. Shen, T. Adachi, D. A. Venden Bout, X.-Y. Zhu, “A mobile precursor determines amyloid-β peptide fibril formation at the liquid-solid interface,” J. Am. Chem. Soc. 134 (2012) 14172–14178.

171.    L. Shen, A. Garland, Y. Wang, Z. Li, C. W. Bielawski, Athena Guo, X.-Y. Zhu, “Two-dimensional nanoarrays of individual protein molecules,” Small 8 (2012) 3169-3174.

170.    W.-L. Chan, M. Ligges, X.-Y. Zhu, “The energy barrier in singlet fission can be overcome through coherent coupling and entropic gain,” Nature Chem. 4 (2012) 840-845.

169.    C. A. Nelson, X.-Y. Zhu, “Reversible electronic traps in PbS quantum dot solids induced by an order-disorder phase transition in capping molecules,” J. Am. Chem. Soc. 134 (2012) 7792-7795.

168.    L. Miaja-Avila, J. Tritsch, A. Wolcott, W.-L. Chan, C. A. Nelson, X.-Y. Zhu, “Direct mapping of hot electron relaxation and multiexciton generation dynamics in PbSe quantum dots,” Nano Lett. 12 (2012) 1588-1591.

167.    A. Garland, L. Shen, X.-Y. Zhu, “Mobile precursor state mediated protein adsorption on solid surfaces,” Prog. Surf. Sci. 87 (2012) 1-22.

166.    D. S�nchez-Portal, J. St�hler, X.-Y. Zhu, “Basic theory of heterogeneous electron transfer,” in: Dynamics at Solid State Surfaces and Interfaces, Part II: Fundamentals. U. Bovensiepen, H. Petek, M. Wolf (Ed.), Whiley-VCH, Berlin (2012). ISBN: 978-3-527-40924-2.


165.    W.-L. Chan, M. Ligges, A. Jailaubekov, L. Kaake, L. Miaja-Avila, X.-Y. Zhu, “Observing the Multi-Exciton State in Singlet Fission and Ensuing Ultrafast Multi-Electron Transfer,” Science 334 (2011) 1541-1545.

164    Han-Yuan Gong, Brett M. Rambo, Cory A. Nelson, Won Cho, Vincent M. Lynch, X.-Y. Zhu, Moonhyun Oh, Jonathan L. Sessler, “Multi component self-assembly: supramolecular organic frameworks containing metal–rotaxane subunits (RSOFs),” Dalton Trans. 41 (2011) 1134-1137.

163.    BongSoo Kim, Seong Ho Choi, X.-Y. Zhu, C. Daniel Frisbie, “Effect of Surface Linking Group and Metal Work Function on Molecular Tunnel Junctions: the Case of Oligoacene Thiols and Dithiols between Ag, Au and Pt Contacts,” (2011) J. Am. Chem. Soc. 133, 19864–19877.

162. L. Kaake, A. Jailaubekov, K. Williams, X.-Y. Zhu, “Probing ultrafast charge separation at organic donor/acceptor interfaces by a femtosecond electric field meter,” Appl. Phys. Lett. 99 (2011) 083307.

161.    W.-L. Chan, J. Tritsch, A. Dolocan, M. Ligges, L. Miaja-Avila, X.-Y. Zhu, “Momentum resolved quantum interference in optically excited surface states,” J. Chem. Phys. 135 (2011) 031101.

160.      L. Shen, X.-Y. Zhu, “Evidence for mobile precursor states in nonspecific protein adsorption,” Langmuir 27 (2011) 7059–7064.

159.    I. R. Gearba, J. Morris, T. Mills, D. Black, R. Pindak, X.-Y. Zhu, “Quantify interfacial electric fields and local crystallinity in polymer/fullerene bulk heterojunction solar cells,”  Adv. Funct. Mater. 21 (2011) 2666-2673.

158.    A. Wolcott, V. Doyeux, C. A. Nelson, R. Gearba, K. W. Lei, K. G. Yager, A. D. Dolocan, K. Williams, D. Nguyen, X.-Y. Zhu, “Anomalously Large Polarization Effect Responsible for Excitonic Redshifts in PbSe Quantum Dot Solids,” J. Phys. Chem. Lett. 2 (2011) 795–800.

157.    M. Feng, J. Zhao, T. Huang, X.-Y. Zhu, H. Petek, “The electronic properties of superatom states of hollow molecules,” Acct. Chem. Res. 44 (2011) 360-368.

156.    L. Shen, Athena Guo, X.-Y. Zhu, “Tween surfactants: adsorption, self-organization, and protein resistance,” Surf. Sci. 605 (2011) 494–499.

155.    W. A. Tisdale, X.-Y. Zhu, “Artificial atoms on semiconductor surfaces,” PNAS 108 (2011) 965–970.


154.    X.-Y. Zhu, A. Kahn, “Electronic Structure and Dynamics at Organic Donor/Acceptor Interfaces,” MRS Bulletin 35 (2010) 443-448.

153.    B. A. Timp, X.-Y. Zhu, “Electronic energy alignments at PbSe quantum dots / ZnO( ) interfaces,” Surf. Sci. 604 (2010) 1335-1341.

152.    W. A. Tisdale, K. J. Williams, B. A. Timp, D. J. Norris, E. S. Aydil, X.-Y. Zhu, “Hot electron transfer from semiconductor nanocrystals,” Science 328 (2010) 1543-1547.

151.    Matthias Muntwiler and X.-Y Zhu, “Chapter 15: Exciton formation and decay at surfaces and interfaces,” in Dynamics at Solid State Surfaces and Interfaces. Volume 1: Recent Developments, edt. U. Bovensiepen, H. Petek, M. Wolf (Wiley-VCH, Berlin, 2010).

150.    L. Kaake, B. Paulson, C. D. Frisbie, X.-Y. Zhu, “Mixing at a Charged Interface Between a Polymer Semiconductor and a Polyelectrolyte Dielectric,” J. Phys. Chem. Lett. 1 (2010) 862-867.

149.    L. Kaake, P. F. Barbara, X.-Y. Zhu, “Intrinsic charge trapping in organic and polymeric semiconductors: a physical chemistry perspective,” J. Phys. Chem. Lett. 1 (2010) 628–635.


148.    X.-Y. Zhu, B. Holtz, Y. Wang, Lai-Xi Wang, Paul E. Orndorff, Athena Guo, “Quantitative glycomics from fluidic glycan microarrays,” J. Am. Chem. Soc. 131 (2009) 13646-13650.

147.    Q. Yang, M. Muntwiler, X.-Y. Zhu, “Charge transfer excitons and image potential states on organic semiconductor surfaces,” Phys. Rev. B 80 (2009) 115214.

146.    M. Goertz, X.-Y. Zhu, J. E. Houston, “Temperature dependent relaxation of a solid-liquid,” J. Polymer Sci. B: Phys. 47 (2009) 1285-1290.

145.     Jiyou Lee, Loren G. Kaake, Jeong Ho Cho, X.-Y. Zhu, Timothy P. Lodge, C. Daniel Frisbie, “Ion gel gated polymer thin-film transistors: operating mechanism, characterization of gate dielectric capacitance, hole mobility, switching speed, and stability,” J. Phys. Chem. C. 113 (2009) 8972–8981.

144.    K. J. Williams, W. A. Tisdale, K. Leschkies, G. Haugstad, D. J. Norris, E. S. Aydil, X.-Y. Zhu, “Strong electronic coupling in 2D assemblies of PbSe quantum dots,” ACS Nano 3 (2009) 1532-1538.

143.    M. Goertz, X.-Y. Zhu, J. E. Houston, “Exploring the liquid-like layer on ice,” Langmuir 25 (2009) 6905–6908.

142.    M. Muntwiler, Q. Yang, X.-Y. Zhu, “Exciton dynamics at interfaces of organic semiconductors,” J. Elec. Spec. Relat. Phenom. 174 (2009) 116-124.

141.    M. Goertz, B. L. Stottrup, J. E. Houston, X.-Y. Zhu, “Nanomechanical Contrasts of Gel versus Fluid Phase Supported Lipid Bilayers,” J. Phys. Chem. B. 113 (2009) 9335-9339.

140.     X.-Y. Zhu, Q. Yang, M. Muntwiler, “Charge transfer excitons at organic semiconductor surfaces and interfaces,” Acct. Chem. Res. 42 (2009) 1779-1787.

139.    U. Bovensiepen, C. Gahl, J. St�hler, M. Bockstedte, F. Baletto, A. Rubio, X.-Y. Zhu, S. Scandolo, M. Wolf, “A dynamic landscape from femtoseconds to minutes for electron solvation at ice-metal interfaces.” J. Phys. Chem. C 113 (2009) 979-988.

138.    T. Mills, L. Kaake, X.-Y. Zhu, “Polaron and ion diffusion in a poly(3-hexylthiophene) thi n film transistor gated with a polymer electrolyte dielectric,” Appl. Phys. A 95 (2009) 291-296.


137.    M. Muntwiler, X.-Y. Zhu, “Image potential states on the metallic (111) surface of bismuth,” New J. Phys. 10 (2008) 113018.

136.    L. Kaake, X.-Y. Zhu, “Charge transport, Nanostructure and the Mott insulator-to-metal transition in poly (3-hexylthiophene),” J. Phys. Chem. C 112 (2008) 16174–16177.

135.     M. Muntwiler, Q. Yang, W. A. Tisdale, X.-Y. Zhu, “Coulomb barrier for charge separation at an organic semiconductor interface,” Phys. Rev. Lett. 101 (2008) 196403.

134.    W. A. Tisdale, M. Muntwiler, D. Norris, E. Aydil, X.-Y. Zhu, “Electron Dynamics at the ZnO (101̅0) Surface,” J. Phys. Chem. C 112 (2008) 14682-14692.

133.    M. Goertz, X.-Y. Zhu, J. E. Houston, “Friction and deformation of an alkoxy-monolayer boundary lubricant on silicon,”  Tribology Lett. 30 (2008) 205-213.

132. B. Carlson, K. Leschkies, E. Aydil, X.-Y. Zhu “Electronic energy alignment at the CdSe quantum dot and crystalline ZnO( ) interface,” J. Phys. Chem. C 112 (2008) 8419-8423.

131.    Yang  Deng, Y. Wang,  B. Holtz, J.-Y. Li, N. Traaseth, G. Veglia, B. Stottrup, D. Pei, R. Elde, Athena Guo, X.-Y. Zhu, “Fluidic and air-stable supported lipid bilayer and cell-mimicking microarrays,” J. Am. Chem. Soc. 130 (2008) 6267-6271.