
Q1
1、判断题:
Organic molecule can contain metal atom.
选项:
A: 正确
B: 错误
答案: 【 正确】
2、判断题:
There are some differences in opto-electronics processes between organic and inorganic materials.
选项:
A: 正确
B: 错误
答案: 【 正确】
3、判断题:
There is only one kind of exciton.
选项:
A: 正确
B: 错误
答案: 【 错误】
4、判断题:
All organic materials have small conductivity, i.e., they are insulators.
选项:
A: 正确
B: 错误
答案: 【 错误】
5、判断题:
Not all organic materials are photoelectron-active.
选项:
A: 正确
B: 错误
答案: 【 正确】
Unit 10 Electrical Properties and Related Processes in Organic Materials-II
Q10
1、判断题:
Irradiating 560 nm light on an organic material with bandgap of 3.0 eV, photogeneration of carrier is possible
选项:
A: 正确
B: 错误
答案: 【 错误】
2、判断题:
When two metal with different Fermi levels contact, electron will flow from metal with higher Fermi level, and the two Fermi levels will be aligned at equilibrium condition
选项:
A: 正确
B: 错误
答案: 【 正确】
3、判断题:
According to the value of contact barrierbetween metal and nonmetal materials, a contact can either facilitate carrier injection or prevent carrier injection
选项:
A: 正确
B: 错误
答案: 【 正确】
4、判断题:
The current in organic solid is always controlled by space charge limited current
选项:
A: 正确
B: 错误
答案: 【 错误】
Unit 11 Electrical Properties and Related Processes in Organic Materials-III
Q11
1、判断题:
The carrier transport mobility in organic crystals is generally lower than that in amorphous organic materials
选项:
A: 正确
B: 错误
答案: 【 错误】
2、判断题:
The bandlike carrier transport is faster than hopping carrier transport
选项:
A: 正确
B: 错误
答案: 【 正确】
3、判断题:
In disordered organic films, the carrier mobility increases with increase of electric field and decreases with temperature
选项:
A: 正确
B: 错误
答案: 【 错误】
4、判断题:
In organic crystalline material, the carrier mobility increases with increase of temperature
选项:
A: 正确
B: 错误
答案: 【 错误】
5、判断题:
Increasing the doping density will certainly lower the mobility of carriers in disordered organic materials
选项:
A: 正确
B: 错误
答案: 【 错误】
Unit 12 Characterization of Organic Materials
Q12
1、判断题:
In DSC analysis, the glass transition point is an exothermal process
选项:
A: 正确
B: 错误
答案: 【 错误】
2、判断题:
The redox means a pair of oxidation and reduction species
选项:
A: 正确
B: 错误
答案: 【 正确】
3、判断题:
Generally speaking, the 8% weight loss in thermal gravity analysis is considered as decomposition temperature
选项:
A: 正确
B: 错误
答案: 【 错误】
4、判断题:
Triplet energy state can be probed by phosphorescent spectrum, which corresponds to the high-energy peak
选项:
A: 正确
B: 错误
答案: 【 正确】
5、判断题:
In intrinsic semiconductor and insulator, the Fermi level locates at the half position of material energy gap
选项:
A: 正确
B: 错误
答案: 【 正确】
6、判断题:
UPS refers to ultraviolet
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