Electroactive Polymers Lab

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Qun-Dong Shen, Professor of Chemistry

Welcome to The Shen Research Group in School of Chemistry and Chemical Engineering at Nanjing University.

Research Interests

Ferroelectric polymer as bio-inspired  photodetector for artificial retina. Photo-isomerization of a dye embedded the ferroelectric membrane leads to polarization change under visible light. High sensitivity, color recognition, transient response, 3D visual detection, and high resolution can be achieved in photodetector array. The signal is readily transmitted to neuron.  Adv. Mater. (2016)

Ferroelectric polymer free-standing nano-dot arrays with ultrahigh data storage density fabricated using nano-imprinting. Nanometer electronic features can be written directly in two dimensions using piezoresponse force microscopy probe based technology. Adv. Funct. Mater. (2013)

A wearable transducer for non-invasive and dynamic diagnosis of cardiovascular system by ferroelectric polymer. The transducer has low power consumption and is applicable to remote detecting warning signals of heart attacks and assessing efficiency of heart drugs. Adv. Funct. Mater.  (2016)

Flexible nonvolatile memory with storage density of tens to hundreds Gbit/in2 through manipulating electric polarization state of ferroelectric polymer by tiny force (less than 100nN). Details

Conjugated polymers as bright fluorescent labels for imaging of biological cells and tissues. Based on the fluorescence signal modulation of the polymers in response to the analytes, it has driven interest in high-sensitive and rapid-response fluorescence biosensors.

Light-activated conjugated polymer hypoxia- esponsive drug-delivery vehicle. This nanocarrier can be activated by photo-irradiation, producing singlet oxygen (1O2) and inducing hypoxia to promote release of its cargo inside tumor cells for enhanced anticancer efficacy. Adv. Mater. (2016)

Conjugated polymer nanoparticles for sensing  and in vivo fluorescence imaging of dopamine, a neurotransmitter that plays a key role in motivation, reward, habit learning, and motor control. Details

Group

News & Events

  • Zhaoxi Cheng and Chenggen Qian received Award of International Academic Exchange from NJU.

  • Chenggen Qian was awarded Wenruo Jiang Scholarship.

  • Xu Han was selected as candidate for National Scholarship for Graduate Students.

  • Chenggen Qian won best poster award on CCS Congress.

  • Peijian Feng's project was funded by Innovative Research Program of Jiangsu Province.

  • Chenggen Qian was supported by Upgrade Plan of Innovation Ability.

  • Xin Chen was awarded National Scholarship for Graduate Students.

  • Yuqi Zhang's thesis was selected as excellent undergraduate thesis of Nanjing University.

  • Prof. Zhen Gu, our former group member, was  awarded Sloan Research Fellowships in chemistry.

  • Ruochen Sha and Mingxuan Li  successfully gave their undergraduate thesis presentations.

  • Congratulations to Yulei Chen, Xin Chen, and Xin Tang on their successful thesis defense. 

  • Congratulations to Yingxin Chen on passing defense of PhD thesis.

  • Peijian Feng gave oral presentation at MRS Fall Meetings (Boston, Massachusetts).

  • Shen was invited to give talk  during Chinese Physical Society Fall Meeting.

  • Shen gave talks on CCS congress.

  • Shen was invited to present on Nanjing-Sydney Joint Symposium.

  • Shen gave a talk at  Symposium of Young Scholars in Organic Polymer Materials.

  • Shen gave a talk at 1st Conference on Dielectric Polymer Composite Materials and Applications.

  • Shen present during 2015 MRS Spring Meetings.

  • Prof. Zhen Gu from NCSU/UNC was invited to present his work.

  • Prof. Zhicheng Zhang from Xi'an Jiaotong University visited our Department. 

  • Prof. Zhiqun Lin from Georgia Institute of Technology was invited to give a talk.

  • Prof. Qiming Zhang from Penn. State Univ. visited our lab.

  • Dr. Suolong Ni from DuPont China visited our lab.

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School of Chemistry    Nanjing University    Graduate School

Shen Group, School of Chemistry & Chemical Engineering, Nanjing University, 2011