DataVXACS Energy LettersPaper
journal article·2021-09-10

Self-Powered Persistent Phosphorescence for Reliable Optical Display

Yuxiang Shi, Rui Lei, Feiyang Li, Shuyao Li, Xinglin Tao, Peng Yang, Xiangyu Chen, Qiang Zhao, Zhong Lin Wang

ACS Energy Letters· Volume 6· Issue 9
Publisher page
Source abstract

Abstract

Triboelectric nanogenerator (TENG)-based display techniques are promising in converting kinetic energy into light signals for optical communications. However, the instantaneous TENG current usually generates transient light, leading to incomplete information. Hence, a self-powered phosphorescence display (SPD) system is proposed to realize complete information display. Ultralong organic phosphorescence (UOP) combined with an elastomer is applied to contrive a delayed luminescent array, and a TENG in a slant grating electrode of 45° is fabricated to generate electricity in latitudinal and longitudinal trajectories. The assembled SPD system can provide ultralong phosphorescence over 2.5 s, about 10 times longer than the original LED. A luminescent array is fabricated to demonstrate the delayed display of the SPD system, where the patterned trajectory of the TENG is reproduced as a delayed display that can avoid missing information. This SPD system is anticipated to improve applications of UOP materials in displays and to broaden applications of TENG in self-powered display and visualized tracking.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersNanomaterials

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Polydiacetylene-based materials and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

CAS Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, 100083 Beijing, China

School of Nanoscience and Technology, University of Chinese Academy of Sciences, 100049 Beijing, China

State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM) and Institute of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications (NUPT), 210023 Nanjing, China

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States

Funding

Natural Science Foundation of Beijing Municipality · Beijing Municipal Science and Technology Commission · Youth Innovation Promotion Association of the Chinese Academy of Sciences · National Natural Science Foundation of China · Beijing Nova Program · Young Top-Notch Talents Program of Beijing Excellent Talents Funding

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