Sustainable hybrid energy harvester based on air stable quantum dot solar cells and triboelectric nanogenerator

被引:35
作者
Cho, Yuljae [1 ]
Lee, Sanghyo [1 ]
Hong, John [1 ]
Pak, Sangyeon [1 ]
Hou, Bo [1 ]
Lee, Young-Woo [2 ]
Jang, Jae Eun [3 ]
Im, Hyunsik [4 ]
Sohn, Jung Inn [1 ,4 ]
Cha, SeungNam [1 ]
Kim, Jong Min [5 ]
机构
[1] Univ Oxford, Dept Engn Sci, Parks Rd, Oxford OX1 3PJ, England
[2] Soonchunhyang Univ, Dept Energy Syst, Asan 31538, Chungcheongnamd, South Korea
[3] Daegu Gyeongbuk Inst Sci & Technol, Dept Informat & Commun Engn, Daegu, South Korea
[4] Dongguk Univ, Div Phys & Semicond Sci, Seoul 100715, South Korea
[5] Univ Cambridge, Dept Engn, 9 JJ Thomson Ave, Cambridge CB3 0FA, England
基金
新加坡国家研究基金会;
关键词
CHARGE-CARRIER TRANSPORT; SYSTEM; GRAPHENE; FILMS; DEGRADATION; TEMPERATURE; PERFORMANCE; ELECTRONICS; MORPHOLOGY; OXIDATION;
D O I
10.1039/c8ta03870h
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Realization of self-powered sensor systems is the key to accomplish internet of things technology for smart life of humans. Recent advances in energy harvesting using photovoltaic and triboelectric effects demonstrate outstanding performances of energy harvesters as power supplies. However, there are still fundamental issues that need to be thoroughly dealt with, which have been neglected so far, such as power interruption due to intermittence of environmental energy and long-term device stability in air. In this report, we demonstrate a hybrid energy harvester (HEH) that is composed of high air stable quantum dots solar cells (QDSCs) and a triboelectric nanogenerator (TENG). The HEH demonstrates dual mode as well as simultaneous energy harvesting with respect to types of energy present. Attributed to high photocurrent and high potential from QDSCs and the TENG, immediate base power followed by steady enhancement in power generation is achieved in this hybrid system. The HEH demonstrates as a stable power supply to accomplish a sustainable sensor system without the aid of any external power supply.
引用
收藏
页码:12440 / 12446
页数:7
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