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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:ZhangBo,LI Xiao-ying,QIAO Da-yong,YAO Xian-wang.A betavoltaic microbattery based on PIN diodes[J].Journal of Harbin Institute Of Technology(New Series),2011,18(5):71-73.DOI:10.11916/j.issn.1005-9113.2011.05.013.
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A betavoltaic microbattery based on PIN diodes
Author NameAffiliation
ZhangBo Micro and Nano Electromechanical Systems Laboratory,Northwestern Polytechnical University,Xi’an 710072,China 
LI Xiao-ying Micro and Nano Electromechanical Systems Laboratory,Northwestern Polytechnical University,Xi’an 710072,China 
QIAO Da-yong Micro and Nano Electromechanical Systems Laboratory,Northwestern Polytechnical University,Xi’an 710072,China 
YAO Xian-wang Micro and Nano Electromechanical Systems Laboratory,Northwestern Polytechnical University,Xi’an 710072,China 
Abstract:
A betavoltaic Microbattery was studied.The diode was composed of a PIN structure with an active area of 10 mm×10 mm to collect the charge from a 10mCi Ni-63 source.An open circuit voltage of 0.16 V and a short circuit current density of 67.6 nA/cm2 were measured.An efficiency (η) of 1.44% was obtained.The performance of device was limited by high series resistance,edge recombination and attenuation of electron in PIN diodes.It is expected to be improved by optimizing the design and using more suitable radioisotope.
Key words:  betavoltic  microbattery  PIN diodes
DOI：10.11916/j.issn.1005-9113.2011.05.013
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