• Title
    Staff Scientist
  • Email
  • Phone
    (925) 423-9269
  • Organization

Research interests

  • Nanomaterials/nanocomposites development for optoelectronic devices
  • Scalable nanocrystal assembly for electronic and optoelectronic devices
  • Materials and device architecture development for wearable applications, including wearable power sources, displays and computing

Current position(s)

      Staff Scientist

Career path

PI of a LW-LDRD project: “Towards wearable artificial intelligence: flexible nanocrystal memristors that mimic multi-level synaptic functions”.

Subject Matter Expertise

Inorganic nanomaterials, optoelectronic devices, memristors, wearable devices


Ph.D., Materials Physics & Chemistry, Fudan University, China, 2017

Visiting graduate student, Materials Science Division, Lawrence Berkeley National Laboratory, 2014-2016

B.S., Textile Materials & Engineering, Donghua University, China, 2012

Selected publications1–10


(1)         Xu, X.; Cho, E. J.; Bekker, L.; Talin, A. A.; Lee, E.; Pascall, A. J.; Worsley, M. A.; Zhou, J.; Cook, C. C.; Kuntz, J. D.; Cho, S.; Orme, C. A. A Bioinspired Artificial Injury Response System Based on a Robust Polymer Memristor to Mimic a Sense of Pain, Sign of Injury, and Healing. Advanced Science 2022, 9 (15), 2200629. https://doi.org/10.1002/advs.202200629.

(2)         Xu, X.; Kweon, K. E.; Keuleyan, S.; Sawvel, A.; Cho, E. J.; Orme, C. Rapid In Situ Ligand-Exchange Process Used to Prepare 3D PbSe Nanocrystal Superlattice Infrared Photodetectors. Small 2021, 17 (25), 2101166. https://doi.org/10.1002/smll.202101166.

(3)         Xu, X.; Zhou, X.; Wang, T.; Shi, X.; Liu, Y.; Zuo, Y.; Xu, L.; Wang, M.; Hu, X.; Yang, X.; Chen, J.; Yang, X.; Chen, L.; Chen, P.; Peng, H. Robust DNA-Bridged Memristor for Textile Chips. Angewandte Chemie International Edition 2020, 59 (31), 12762–12768. https://doi.org/10.1002/anie.202004333.

(4)         Xu, X.; Xie, S.; Zhang, Y.; Peng, H. The Rise of Fiber Electronics. Angewandte Chemie International Edition 2019, 58 (39), 13643–13653. https://doi.org/10.1002/anie.201902425.

(5)         Cai, S.*; Xu, X.*; Yang, W.; Chen, J.; Fang, X. Materials and Designs for Wearable Photodetectors. Advanced Materials 2019, 31 (18), 1808138. https://doi.org/10.1002/adma.201808138.

(6)         Xu, X.; Chen, J.; Cai, S.; Long, Z.; Zhang, Y.; Su, L.; He, S.; Tang, C.; Liu, P.; Peng, H.; Fang, X. A Real-Time Wearable UV-Radiation Monitor Based on a High-Performance p-CuZnS/n-TiO2 Photodetector. Advanced Materials 2018, 30 (43), 1803165. https://doi.org/10.1002/adma.201803165.

(7)         Xu, X.; Li, S.; Chen, J.; Cai, S.; Long, Z.; Fang, X. Design Principles and Material Engineering of ZnS for Optoelectronic Devices and Catalysis. Advanced Functional Materials 2018, 28 (36), 1802029. https://doi.org/10.1002/adfm.201802029.

(8)         Xu, X.; Zuo, Y.; Cai, S.; Tao, X.; Zhang, Z.; Zhou, X.; He, S.; Fang, X.; Peng, H. Three-Dimensional Helical Inorganic Thermoelectric Generators and Photodetectors for Stretchable and Wearable Electronic Devices. J. Mater. Chem. C 2018, 6 (18), 4866–4872. https://doi.org/10.1039/C8TC01183D.

(9)         Xu, X.; Bullock, J.; Schelhas, L. T.; Stutz, E. Z.; Fonseca, J. J.; Hettick, M.; Pool, V. L.; Tai, K. F.; Toney, M. F.; Fang, X.; Javey, A.; Wong, L. H.; Ager, J. W. Chemical Bath Deposition of P-Type Transparent, Highly Conducting (CuS)x:(ZnS)1–x Nanocomposite Thin Films and Fabrication of Si Heterojunction Solar Cells. Nano Lett. 2016, 16 (3), 1925–1932. https://doi.org/10.1021/acs.nanolett.5b05124.

(10)       Xu, X.; Hu, L.; Gao, N.; Liu, S.; Wageh, S.; Al-Ghamdi, A. A.; Alshahrie, A.; Fang, X. Controlled Growth from ZnS Nanoparticles to ZnS–CdS Nanoparticle Hybrids with Enhanced Photoactivity. Advanced Functional Materials 2015, 25 (3), 445–454. https://doi.org/10.1002/adfm.201403065.



For a full list, see: Google Scholar | ResearchGate | Scopus | ORCID

Google Scholar: https://scholar.google.com/citations?hl=en&user=J8Gbg7kAAAAJ&view_op=list_works&sortby=pubdate

  • Selected talk for GRC, GRS/Crystal Growth and Assembly, Manchester, NH, US,2019
  • Distinguished Ph.D. Graduates, Shanghai, China, 2017
  • First class scholarship, Fudan University, Shanghai, China, 2012-2017
  • MRS Best Poster Award, Phoenix, US, 2016
  • Distinguished Undergraduate Student, Shanghai, China, 2012