Haiyan Zheng

Significance: The diamond nanothread is predicted to have comparable or larger strength and stiffness than the carbon nanotube but severely suffers from intrathread bonding disorder in practice. Here, we synthesized a bulk crystalline diamond nanothread material C ₃ N ₃ H ₃ with a C/N-ordered tube (3,0) structure via high-pressure topochemical polymerization of s -triazine. The π-stacked s -triazine experienced a selective concerted bonding of three neighbored C···N pairs, completely different from the classical Diels–Alder reactions of aromatics under high pressure. This study obtained the structure-specific diamond nanothread with an unambiguous elemental reaction, which is the basis to realize the expected excellent properties of diamond nanothreads. Following the identified reaction selectivity under high pressure, more structure-specific carbon materials can be designed.

About Me

Dr. Haiyan Zheng received her B.S. degree from College of Chemistry, Beijing Normal University, China in 2006, and obtained her Ph.D. in Institute of Chemistry, Chinese Academy of Sciences, Beijing, China in 2011. Then, she moved to the Smalley Institute for Nanoscale Science & Technology, Rice University and Carnegie Institution of Washington, Geophysical Lab as a Postdoctoral Associate. In 2014, she joined the Center for High Pressure Science and Technology Advanced Research (HPSTAR) as a staff scientist. Her research area is high pressure chemistry, mainly focused on design and development of organic functional materials, especially development of “bottom-up” synthesis method of carbon and nitrogen-based materials by exploring the high pressure and high temperature condition. Moreover, she also interested in uncovering the chemical reaction rule of hydrocarbons in deep Earth conditions.

Haiyan Zheng

Haiyan Zheng

Research Focus & Metrics

Academic Career Length

Publication Type Breakdown

Representative Publications

About Me