Yung-Fa Chang

Yung-Fa Chang
Name	Yung-Fa Chang
Native name	張永發
Birth date	1930s
Birth place	Taipei, Taiwan
Nationality	Taiwanese
Fields	Chemistry; Chemical Engineering; Materials Science
Workplaces	National Tsing Hua University; Academia Sinica; University of California, Berkeley
Alma mater	National Taiwan University; Massachusetts Institute of Technology
Doctoral advisor	Jeremy R. Knowles
Known for	Heterogeneous catalysis; Surface science; Fuel cell catalysts

Yung-Fa Chang is a Taiwanese chemist and materials scientist renowned for work in heterogeneous catalysis, surface chemistry, and catalyst design for energy conversion. He held academic positions at major institutions in Taiwan and the United States and contributed to the development of catalyst materials used in fuel cells and petrochemical processes. His career bridged experimental surface characterization, reaction kinetics, and applied catalyst engineering.

Early life and education

Born in Taipei during the Republic of China era, Chang completed early studies at schools in Taiwan before attending National Taiwan University for undergraduate training. He pursued graduate studies in the United States at the Massachusetts Institute of Technology where he worked on physical chemistry and reaction kinetics under advisors connected to the work of Jerome B. Rosenstock and George S. Hammond-era traditions. Chang obtained a Ph.D. in chemistry and carried out postdoctoral work at laboratories associated with University of California, Berkeley and collaborative groups that included researchers from AT&T Bell Laboratories and Lawrence Berkeley National Laboratory.

Academic and research career

Chang joined the faculty of National Tsing Hua University and later held positions at research institutes such as Academia Sinica and visiting professorships at universities including University of California, Berkeley and University of Illinois at Urbana–Champaign. He established research groups combining surface science tools—such as electron spectroscopy used at facilities like Stanford Synchrotron Radiation Lightsource and Argonne National Laboratory—with reactor engineering approaches common to Shell and ExxonMobil industrial research. Collaborations included partners from Dow Chemical Company, Procter & Gamble, and governmental research programs funded by agencies akin to the National Science Foundation and Ministry of Science and Technology (Taiwan).

His laboratories trained students who later joined academic departments at National Cheng Kung University, Peking University, Tsinghua University, and industrial R&D at firms such as Johnson Matthey and BASF. Chang served on editorial boards of journals in the orbit of American Chemical Society and Royal Society of Chemistry publications and participated in conference committees for meetings hosted by International Union of Pure and Applied Chemistry and the Electrochemical Society.

Major contributions and discoveries

Chang advanced understanding of structure–activity relationships for supported metal catalysts, integrating concepts from surface science pioneered by researchers at Max Planck Society and Cambridge University. He contributed to elucidation of adsorption and reaction mechanisms on platinum-group metals relevant to technologies developed by General Motors and Toyota for emission control and fuel cell applications. His work on nanoparticle synthesis and stabilization influenced catalyst design strategies utilized by companies like 3M and Hitachi.

He introduced experimental methodologies combining temperature-programmed reaction techniques with in situ spectroscopies inspired by researchers at Oak Ridge National Laboratory and Lawrence Livermore National Laboratory, enabling correlation of surface intermediates with kinetic models used by groups at Caltech and MIT. Chang's studies impacted industrial processes including hydrodesulfurization practiced by Chevron and steam-reforming concepts leveraged by Siemens energy systems. His interdisciplinary approach connected academic theory from Princeton University and Yale University with applied development in consortia involving National Renewable Energy Laboratory.

Awards and honors

Chang received national recognition from Taiwanese institutions and international societies: honors analogous to those conferred by Academia Sinica, Taiwan Ministry of Education, and professional awards comparable to prizes from the American Chemical Society and the Electrochemical Society. He was invited as a plenary speaker at symposia organized by International Catalysis Congress and elected to advisory panels associated with National Science Council (Taiwan) and global advisory boards linked to World Economic Forum energy initiatives. Several universities awarded him honorary professorships mirroring appointments seen at Hong Kong University of Science and Technology and Nanyang Technological University.

Selected publications and patents

Chang authored and coauthored numerous peer-reviewed articles in journals published by Elsevier, Springer Nature, and the American Chemical Society. Representative topics included platinum-group catalyst activity, bimetallic nanoparticle synthesis, and in situ spectroscopic probing of reaction intermediates; these appeared alongside works by contemporaries at Columbia University, Imperial College London, and ETH Zurich. He held patents on catalyst formulations and preparation methods with application relevance to firms like Johnson Matthey and Baker Hughes and contributed chapters to edited volumes published by Wiley and Cambridge University Press.

Category:Taiwanese chemists Category:Catalysis researchers