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Sun, Yujie Assistant Professor 收藏
Utah State University      Department of Chemistry and Biochemistry
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个人简介

B.S., 2005, Fudan University, China M.S., 2007, The Ohio State University Ph.D., 2010, The Ohio State University Postdoc, 2010-2013, UC Berkeley and Lawrence Berkeley National Laboratory

研究领域

The overall theme of our group is to use our expertise in coordination chemistry, materials science, photochemistry, and electrochemistry to address two frontier challenges: energy and health. Increasing concerns on the anthropogenic climate change, rising global energy demands, and diminishing fossil fuels have made the search of alternative carbon-neutral and sustainable energy sources one of the most urgent challenges in the scientific community. Among various renewable energy sources, solar energy stands out as the most promising target due to its gigantic amount. The efficient solar energy conversion, storage, and utilization will be a primary goal of our research. Inspired by the active sites in metalloenzymes that accommodate cheap and earth-abundant metals within well-defined coordination structure for catalysis, we set out to design, synthesize, and investigate molecular catalysts for electro- and photocatalytic activation of water, oxygen, carbon dioxide, and related small molecules under green and aqueous conditions, with a particular emphasis on mechanistic study at the molecular level. In the meanwhile, high-surface area solid-state materials composed of earth-abundant elements will also be prepared for sustainable electrocatalysis and photocatalysis. The second portion of our efforts is to synthesize and investigate molecular complexes with photoactivity in the red and near infrared region. The potential applications of photoactivable complexes encompass photosensitizers, luminescence sensors, and photoactive pharmaceuticals. Our programs are highly multidisciplinary. Students will be trained in a broad set of skills and inspired to become critical-thinking scientists with a passion on solving urgent problems from a fundamental science perspective. Currently, we are interested in the following directions: (1) Solid-state catalysts composed of earth-abundant elements for hydrogen evolution and carbon dioxide reduction. (2) Bio-inspired molecular catalysts for electro- and photocatalysis of water splitting. (3) Photoactivable complexes with applications in luminescence sensing and pharmaceuticals.

近期论文

Jiang, N.; You, B.; Sheng, M.; Sun, Y.* "Electrodeposited cobalt-phosphorous-derived films as competent bifunctional catalysts for overall water splitting" Angew. Chem. Int. Ed. 2015, DOI: 10.1002/anie.201501616. [html] [pdf] You, B.; Jiang, N.; Sheng, M.; Sun, Y.* "Microwave vs solvothermal synthesis of hollow cobalt sulfide nanoprisms for electrocatalytic hydrogen evolution and supercapacitor" Chem. Commun. 2015, 51, 4252-4255. [html] [pdf] Jiang, N.; Bogoev, L.+; Popova, M.; Gul, S.; Yano, J.; Sun, Y.* "Electrodeposited nickel-sulfide films as competent hydrogen evolution catalysts in neutral water" J. Mater. Chem. A 2014, 2, 19407-19414. [html] [pdf] Sun, Y.; Liu, C.; Grauer, D. C.; Yano, J.; Long, J. R.; Yang, P.; Chang, C. J. “Electrodeposited cobalt-sulfide catalyst for electrochemical and photoelectrochemical hydrogen generation from water” J. Am. Chem. Soc. 2013, 135, 17699-17702. [html] [pdf] Sun, Y.; Sun, J.; Long, J. R.; Yang, P.; Chang, C. J. “Photocatalytic generation of hydrogen from water using a cobalt pentapyridine complex in combination with molecular and semiconductor nanowire photosensitizers” Chem. Sci. 2013, 4, 118-124. [html] [pdf] Thoi, V. S.; Sun, Y.; Chang, C. J. “Electrochemical hydrogen generation catalyzed by earth-abundant metal complexes under aqueous conditions” Chem. Soc. Rev. 2013, 42, 2388-2400. [html] [pdf] Karunadasa, H. I.; Montalvo, E.; Sun, Y.; Majda, M.; Long, J. R.; Chang, C. J. “A molecular MoS2 edge site mimic for catalytic hydrogen generation.” Science 2012, 335, 698-702. [html] [pdf] Sun, Y.; Bigi, J. P.; Piro, N. A.; Tang, M. L.; Long, J. R.; Chang, Christopher J. “Molecular cobalt pentapyridine catalysts for generating hydrogen from water.” J. Am. Chem. Soc. 2011, 133, 9212-9215. [html] [pdf] Sun, Y.; Joyce, L. E.; Dickson, N. M.; Turro, C. “DNA photocleavage by an Os(II) complex in the PDT window” Chem. Commun. 2010, 46, 6759-6761. [html] [pdf] Sun, Y.; El Ojaimi, M.; Hammitt, R.; Thummel, R. P.; Turro, C. “Effect of ligand extended pi-system on the photophysical properties of Ru(II) complexes” J. Phys. Chem. B 2010, 114, 14664-14670. [html] [pdf] Sun, Y.; Turro, C. “Highly solvent dependent luminescence from [Ru(bpy)n(dppp2)3-n]^2+ (n = 0 – 2)” Inorg. Chem. 2010, 49, 5025-5032. [html] [pdf] Sun, Y.; Liu, Y.; Turro, C. “Ultrafast dynamics of the low-lying 3MLCT States of [Ru(bpy)2(dppp2)]^2+” J. Am. Chem. Soc. 2010, 132, 5594-5595. [html] [pdf] Sun, Y.; Collins, S. N.; Joyce, L. E.; Turro, C. “Unusual photophysical properties of a Ru(II) complex related to [Ru(bpy)2(dppz)]^2+” Inorg. Chem. 2010, 49, 4257-4262. [html] [pdf] Sun, Y.; Joyce, L. E.; Dickson, N. M.; Turro, C. “Efficient DNA photocleavage by [Ru(bpy)2(dppn)]^2+ with visible light” Chem. Commun. 2010, 46, 2426-2428. [html] [pdf] Sun, Y.; Lutterman, D. A.; Turro, C. “Role of electronic structure on DNA light-switch behavior of Ru(II) intercalators” Inorg. Chem. 2008, 47, 6427-6434. [html] [pdf] Lutterman, D. A.; Chouai, A.; Liu, Y.; Sun, Y.; Stewart, C. D.; Dunbar, K. R.; Turro, C. “Intercalation is not required for DNA light-switch behavior” J. Am. Chem. Soc. 2008, 130, 1163-1170. [html] [pdf] Sun, Y.; Jiang, N.; You, B. "Bifunctional Water Splitting Catalysts and Associated Methods" US Provisional Patent Application No: 62/141,081. Sun, Y. “Water Splitting Catalysts and Associated Methods” US Provisional Patent Application No: 62/056,357. Long, J. R.; Chang, C. J.; Sun, Y. “Molecular cobalt pentapyridine catalysts for generating hydrogen from water" US Patent 2012/0296092. [html]

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