Spiro-MeOTAD/ZnO piezoelectric type nanogenerator and preparation method thereof

A nanogenerator, piezoelectric technology, applied in the manufacture/assembly of piezoelectric/electrostrictive devices, piezoelectric devices/electrostrictive devices, piezoelectric/electrostrictive/magnetostrictive devices, etc., capable of Solve the problems of complex preparation process, leakage current, low power generation efficiency, etc., and achieve the effect of simple process, reliable performance and uniform distribution

Pending Publication Date: 2018-09-04
DALIAN UNIV OF TECH
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Problems solved by technology

In order to solve the problems of complex preparation process, low power generation efficiency, easy short circuit of the device and leakage current of the traditional zinc oxide nanogenerator, we adopted a new type of organic semiconductor Spiro-MeOTAD to form a PN heterojunction struct

Method used

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  • Spiro-MeOTAD/ZnO piezoelectric type nanogenerator and preparation method thereof
  • Spiro-MeOTAD/ZnO piezoelectric type nanogenerator and preparation method thereof
  • Spiro-MeOTAD/ZnO piezoelectric type nanogenerator and preparation method thereof

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[0036] The specific embodiments of the present invention will be further described below in conjunction with the drawings and technical solutions.

[0037] figure 1 A specific implementation of the Spiro-MeOTAD / ZnO piezoelectric nanogenerator of the present invention is provided. As shown in the figure, the structure of the nanogenerator includes a conductive substrate 1, a zinc oxide seed layer 2, a zinc oxide nanowire array 3, Spiro-MeOTAD organic coating layer 4, upper electrode 5, encapsulation layer 6, lead a7-1 and lead b7-2. The conductive substrate 1 and the upper electrode 5 can be selected from ITO substrates or FTO substrates; the zinc oxide seed layer 2 is grown on the conductive substrate 1 by magnetron sputtering, and the zinc oxide seed layer 2 is not only good for oxidation The zinc nanowire array 3 is attached to the conductive substrate 1 and helps to make the zinc oxide nanowire array 3 more regular. The zinc oxide nanowire array 3 of N-type semiconductor with...

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Abstract

The invention belongs to the technical field of nanogenerators, and relates to a Spiro-MeOTAD/ZnO piezoelectric type nanogenerator and a preparation method thereof. The structure of the nanogeneratorcomprises a zinc oxide nanowire array, a zinc oxide seed layer, Spiro-MeOTAD organic coating layers, a conductive substrate, an upper electrode, lead wires and an encapsulation layer, wherein the conductive substrate serves as a lower electrode of the generator, the zinc oxide nanowire array is grown on the conductive substrate covered with the zinc oxide seed layer, and the Spiro-MeOTAD organic coating layers cover the surfaces of zinc oxide nanowires to form PN junction structures; and the upper electrode is arranged above the nanowire array, the upper electrode and the conductive substrateare led out by means of the two lead wires as output ends of current and voltage, and finally the whole device is wrapped with the encapsulation layer. The PN junction piezoelectric type nanogenerators disclosed by the invention has the advantages of simple and compact structure and simple preparation process, and adopts a special mode to greatly improve the output performance.

Description

technical field [0001] The invention belongs to the technical field of nanogenerators, and relates to a Spiro-MeOTAD / ZnO piezoelectric nanogenerator and a preparation method thereof. The generator is an enhanced DC nanogenerator composed of an organic / inorganic heterojunction structure. Background technique [0002] Since the 1980s, nanotechnology has achieved unprecedented development and application in aerospace, biology, machinery, electronics and other fields. Among them, nanoelectronic devices have aroused great interest of researchers all over the world due to their small size, good performance, and high integration. With the vigorous development of nano-scale portable and wireless electronic devices, it is becoming more and more important to study the nano-scale power supply technology that provides energy for them. The nanogenerator based on zinc oxide nanowires is particularly remarkable. This research can convert the energy of mechanical vibration, air flow, water...

Claims

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Application Information

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IPC IPC(8): H01L41/053H01L41/08H01L41/113H01L41/27H01L41/317B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00H10N30/883H10N30/1051H10N30/30H10N30/308H10N30/05H10N30/077
Inventor 邱宇张笑桐方胜利储怀龙胡礼中
Owner DALIAN UNIV OF TECH
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