期刊
ACS NANO
卷 10, 期 12, 页码 11249-11257出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.6b06326
关键词
ink printing flexible; asymmetric microsupercapacitor; integration; perovskite nanowires
类别
资金
- National Natural Science Foundation of China [11374110, 51371085, 11304106, 11204093, 11674113]
Nowadays, the integrated systems on a plane substrate containing energy harvesting, energy storing, and working units are strongly desired with the fast development of wearable and portable devices. Here, a simple, low cost, and scalable strategy involving ink printing and electrochemical deposition is proposed to fabricate a flexible integrated system on a plane substrate containing an all-solid-state asymmetric microsupercapacitor (MSC), a photoconduct-type photodetector of perovskite nanowires (NWs), and a wireless charging coil. In the asymmetric MSCs, MnO2-PPy and V2O5-PANI composites are used as positive and negative electrodes, respectively. Typical values of energy density in the range of 15-20 mWh cm(-3) at power densities of 0.3-2.5 W cm(-3) with an operation potential window of 1.6 V are achieved. In the system, the wireless charging coil receives energy from a wireless power transmitter, which then can be stored in the MSC to drive the photoconductive detector of perovskite NWs in sequence. The designed integrated system exhibits a stable photocurrent response comparable with the detector driven by an external power source. This research provides an important routine to fabricate integrated systems.
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