Recent XYZ Group Publications

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2014

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,”

198. 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,”

197. 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”.

196. N. R. Monohan, X.-Y. Zhu, “Charge Transfer Mediated Singlet Fission” Annu. Rev. Phys. Chem.

195. Erik Busby, Jianlong Xia, Qin Wu, Jonathan Z. Low, Rui Song, John R. Miller, X-Y. Zhu, Luis M. Campos, Matthew Y. Sfeir, “A General Design Strategy for Intramolecular Singlet Fission in Organic Materials,”

194. 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,”

193. X. Y. Zhu, “How to Draw Energy Level Diagrams in Excitonic Solar Cells,” J. Phys. Chem. Lett. 2014, 5, 2283–2288.
http://dx.doi.org/10.1021/jz5008438

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. DOI:
http://dx.doi.org/10.1021/ja503533y

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.
http://dx.doi.org/10.1021/ja408463g

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:
http://dx.doi.org/10.1021/jp502381j

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:
http://dx.doi.org/10.1021/cb5004114

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
http://dx.doi.org/10.1021/jp412180t

 

2013

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).
http://dx.doi.org/10.1021/nl403368y

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). http://dx.doi.org/10.1038/ncomms3679

185.    C. A. Nelson, N. R. Monahan, X.-Y. Zhu, “Exceeding the Shockley–Queisser Limit in Solar Energy Conversion,” Energy & Environmental Science 6 (2013). http://dx.doi.org/10.1039/C3EE42098A

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. http://dx.doi.org/10.1016/j.orgel.2013.08.026

183. X.-Y. Zhu, Guest Editorial:  Exceeding the limit in solar energy conversion with multiple excitons," Acct. Chem. Res. 46 (2013) 1239-1241. http://dx.doi.org/10.1021/ar4001235

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. http://dx.doi.org/10.1021/jp4029408.

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). http://dx.doi.org/10.1021/ar300286s.

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). http://dx.doi.org/10.1063/1.4788707

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, http://dx.doi.org/10.1021/nn305080c

178.    K. W. Lei, Tyler West, X.-Y. Zhu, “Template-assembly of quantum dot molecules,” J. Phys. Chem. B.  116 (2013) 4582-4586. http://dx.doi.org/10.1021/jp308706b

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. http://dx.doi.org/10.1038/NMAT3500

2012

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). http://dx.doi.org/10.1021/jp3091073

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. http://dx.doi.org/10.1021/ja306271y

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). http://dx.doi.org/10.1039/C2CC34200F

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. http://dx.doi.org/10.1021/jz300744r

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. http://dx.doi.org/10.1021/ja305398f

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. http://dx.doi.org/10.1002/smll.201200673

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. http://dx.doi.org/10.1038/NCHEM.1436

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.
http://dx.doi.org/10.1021/ja3004649

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. http://dx.doi.org/10.1021/nl204489a

167.    A. Garland, L. Shen, X.-Y. Zhu, “Mobile precursor state mediated protein adsorption on solid surfaces,” Prog. Surf. Sci. 87 (2012) 1-22. http://dx.doi.org/10.1016/j.progsurf.2012.02.001

166.    D. Sánchez-Portal, J. Stähler, 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.

2011

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.  http://dx.doi.org/10.1126/science.1213986

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. 
http://dx.doi.org/10.1039/c1dt11495f

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.  http://dx.doi.org/10.1021/ja207751w

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. 
http://dx.doi.org/10.1063/1.3632062

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. 
http://dx.doi.org/10.1063/1.3615541

160.      L. Shen, X.-Y. Zhu, “Evidence for mobile precursor states in nonspecific protein adsorption,” Langmuir 27 (2011) 7059–7064.  http://dx.doi.org/10.1021/la200602v

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.  http://dx.doi.org/10.1002/adfm.201100139

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. http://dx.doi.org/10.1021/jz200080d

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. http://dx.doi.org/10.1021/ar1001445

156.    L. Shen, Athena Guo, X.-Y. Zhu, “Tween surfactants: adsorption, self-organization, and protein resistance,” Surf. Sci. 605 (2011) 494–499. http://dx.doi.org/10.1016/j.susc.2010.12.005


155.    W. A. Tisdale, X.-Y. Zhu, “Artificial atoms on semiconductor surfaces,” PNAS 108 (2011) 965–970.
http://dx.doi.org/10.1073/pnas.1006665107

2010

154.    X.-Y. Zhu, A. Kahn, “Electronic Structure and Dynamics at Organic Donor/Acceptor Interfaces,” MRS Bulletin 35 (2010) 443-448. http://dx.doi.org/10.1557/mrs2010.582

153.    B. A. Timp, X.-Y. Zhu, “Electronic energy alignments at PbSe quantum dots / ZnO( ) interfaces,” Surf. Sci. 604 (2010) 1335-1341. http://dx.doi.org/10.1016/j.susc.2010.04.026

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. http://dx.doi.org/10.1126/science.1185509

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).
http://dx.doi.org/10.1002/9783527633418

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. http://dx.doi.org/10.1021/jz900471g

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.
http://dx.doi.org/10.1021/jz9002857

2009

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.
http://dx.doi.org/10.1021/ja902783n

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. http://dx.doi.org/10.1103/PhysRevB.80.115214

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. http://dx.doi.org/10.1002/polb.21721


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.
http://dx.doi.org/10.1021/jp901426e

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.  http://dx.doi.org/10.1021/nn9001819

143.    M. Goertz, X.-Y. Zhu, J. E. Houston, “Exploring the liquid-like layer on ice,” Langmuir 25 (2009) 6905–6908. http://dx.doi.org/10.1021/la9001994

142.    M. Muntwiler, Q. Yang, X.-Y. Zhu, “Exciton dynamics at interfaces of organic semiconductors,” J. Elec. Spec. Relat. Phenom. 174 (2009) 116-124. http://dx.doi.org/10.1016/j.elspec.2009.02.016

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. http://dx.doi.org/10.1021/jp900866h

140.     X.-Y. Zhu, Q. Yang, M. Muntwiler, “Charge transfer excitons at organic semiconductor surfaces and interfaces,” Acct. Chem. Res. 42 (2009) 1779-1787. http://dx.doi.org/10.1021/ar800269u

139.    U. Bovensiepen, C. Gahl, J. Stähler, 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. http://dx.doi.org/10.1021/jp806997d

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. http://dx.doi.org/10.1007/s00339-008-5026-9

2008

137.    M. Muntwiler, X.-Y. Zhu, “Image potential states on the metallic (111) surface of bismuth,” New J. Phys. 10 (2008) 113018. http://dx.doi.org/10.1088/1367-2630/10/11/113018

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. http://dx.doi.org/10.1021/jp806847d

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. http://dx.doi.org/10.1103/PhysRevLett.101.196403

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. http://dx.doi.org/10.1021/jp802455p

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. http://dx.doi.org/10.1007/s11249-008-9328-z

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. http://dx.doi.org/10.1021/jp7113434


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. http://dx.doi.org/10.1021/ja800049f