Effect of pre-adsorbed moisture and humidity on I-V characteristics of Si PIN diode

被引：5

作者：

Karrevula, Venkateswara Reddy ^{[1
]}

Prasad, Arun K. ^{[1
]}

Mishra, Vijay ^{[2
]}

Tripurasundari, S. ^{[1
]}

机构：

[1] Indira Gandhi Ctr Atom Res, Surface & Nanosci Div, Mat Sci Grp, Kalpakkam 603102, Tamil Nadu, India

[2] EvryVed Pvt Ltd, Bangalore 560015, Karnataka, India

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2023年 / 1047卷

关键词：

Si PIN diode; Pre-adsorbed moisture; I-V measurements; Relative humidity; Contact angle; Systematic study; RELATIVE-HUMIDITY; CONDUCTIVITY; WATER; FABRICATION; ADSORPTION; SENSORS;

D O I：

10.1016/j.nima.2022.167832

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Several protocols are followed in the manufacture, storage, and use of electronic devices to minimize the effects of harsh environmental conditions such as high relative humidity (RH) and high temperature. A systematic study is presented in this report on the current-voltage (I-V) characteristics of commercial silicon (Si) PIN diodes to elucidate their response in ambient and controlled humidity conditions for ambient stored (pre-heated) and diodes heat-treated at 100 degrees C (post-heated). Upon successive measurements in ambient conditions, the reverse current (IR) in the pre-heated diode increased from the nA to mu A range and showed no reproducibility. An increase in IR is also accompanied by a decrease in surface breakdown voltage (VSB) with an increase in RH. The IR vs RH response showed a power-law dependence with a crossover from a sub-linear to super-linear behavior at a critical RH (RHC), pointing to two distinct adsorption modes. The RHC increased from 42% for the pre-heated diode to 72% for the post-heated diode highlighting the role of pre-adsorbed moisture accumulated on the ambient stored diode. The effect of pre-adsorbed moisture is also corroborated by contact angle measurements.

引用

页数：10

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