Berkeley Lab

ALS

The Advanced Light Source is a Department of Energy-funded synchrotron facility that provides users from around the world access to the brightest beams of soft x-rays, together with hard x-rays and infrared, for scientific research and technology development in a wide range of disciplines.

Multimodal Study of Ion-Conducting Membranes

Multiple x-ray characterization tools showed how chemical and structural changes improve the performance of a novel ion-conducting polymer (ionomer) membrane from 3M Company. The work provides insight into factors impacting the proton conductivity of ionomers used for fuel cells and the production of hydrogen fuel. Read more »PPT-icon-35 PDF-icon-35

Anomalous Orbital Structure in Two-Dimensional Materials

Researchers explored how structural distortions of the atomic lattice influence exotic electronic states in two-dimensional transition-metal dichalcogenides (TMDs). Polarization-dependent spectroscopy revealed an unexpectedly large crystal-field splitting of the valence electron states, a result of strong hybridization in metal–chalcogen orbitals. Read more »

Nobumichi Tamura Receives 2019 Klaus Halbach Award

Nobumichi Tamura received the 2019 Klaus Halbach Award in recognition for the software he developed to analyze microdiffraction data. The first version of the software was completed just before Christmas 1999 and has been a gift for many in the community ever since. Read more »

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Recent High-Impact Publications

R. Matheu, E. Gutierrez-Puebla, M.Á. Monge, C.S. Diercks, J. Kang, M.S. Prévot, X. Pei, N. Hanikel, B. Zhang, P. Yang, and O.M. Yaghi, “Three-Dimensional Phthalocyanine Metal-Catecholates for High Electrochemical Carbon Dioxide Reduction,” JACS 141, 17081 (2019), doi:10.1021/jacs.9b09298 (October 15, 2019).

C.L. Anderson, N. Dai, S. Teat, B. He, S. Wang, and Y. Liu, “Electronic Tuning of Mixed Quinoidal-Aromatic Conjugated Polyelectrolytes via Direct Ionic Substitution,” Angew. Chem. Int. Ed., (2019), doi:10.1002/anie.201908609 (October 7, 2019).

S. Jeong, P.J. Milner, L.F. Wan, Y. Liu, J. Oktawiec, E.W. Zaia, A.C. Forse, N. Leick, T. Gennett, J. Guo, D. Prendergast, J.R. Long, and J.J. Urban, “Runaway Carbon Dioxide Conversion Leads to Enhanced Uptake in a Nanohybrid Form of Porous Magnesium Borohydride,” Adv. Mater., doi:10.1002/adma.201904252 (September 20, 2019).

R. Wang, J. Yuan, R. Wang, G. Han, T. Huang, W. Huang, J. Xue, H. Wang, C. Zhang, C. Zhu, P. Cheng, D. Meng, Y. Yi, K. Wei, Y. Zou, and Y. Yang, “Rational Tuning of Molecular Interaction and Energy Level Alignment Enables High-Performance Organic Photovoltaics,” Adv. Mater., doi:10.1002/adma.201904215 (September 9, 2019).

D.J. Xiao, E.D. Chant, A.D. Frankhouser, Y. Chen, A. Yau, N.M. Washton, and M.W. Kanan, “A closed cycle for esterifying aromatic hydrocarbons with CO2 and alcohol,” Nat. Chem. 11, 940 (2019), doi:10.1038/s41557-019-0313-y (August 26, 2019).

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