Solution-processed Ag-doped ZnO nanowires grown on flexible polyester for nanogenerator applications.
The integration of ZnO nanowire-based energy harvesting devices into flexible polyesters or clothes would have a significant effect on the energy harvesting building block for harvesting the mechanical energy from human motions. Moreover, the demonstration of high output power via a doping process opens an important method for enhancing the output power. Here, we report solution-based synthesis of Ag-doped ZnO nanowires on flexible polyester substrates without using any high temperature annealing processes. Along with the structural and optical characteristics of the Ag-doped ZnO nanowires, we demonstrate the efficient features of Ag-doped nanogenerators through the measurement of a sound-driven piezoelectric energy device with an output power of 0.5 μW, which is nearly 2.9 times that of a nanogenerator with un-doped ZnO NWs. This finding could provide the possibility of high output nanogenerators for practical applications in future portable/wearable personal displays and motion sensors.
Department of Physics, Hanyang University, Seoul, 133-791, South Korea. jphong@hanyang.ac.kr.
SangHyo
S
Lee
JunSeok
J
Lee
WonBae
W
Ko
SeungNam
S
Cha
JungInn
J
Sohn
JongMin
J
Kim
JaeGun
J
Park
Youngjun
Y
Park
JinPyo
J
Hong
D050866:Liquid Crystals / Q000737:chemistry; D036103:Nanotechnology / Q000295:instrumentation; D053770:Nanowires / Q000737:chemistry* / Q000648:ultrastructure; D011091:Polyesters / Q000737:chemistry*; D012834:Silver / Q000737:chemistry*; D012996:Solutions / Q000737:chemistry; D015034:Zinc Oxide / Q000737:chemistry*
D011091:Polyesters; D012996:Solutions; D012834:Silver; D015034:Zinc Oxide