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和数码摄影技术直接相关的诺贝尔奖是关于（）
A.光电效应
B.蓝光LED
C.塞曼效应
D.激光发明
正确答案：光电效应
Tag：
数码摄影技术
光电效应
诺贝尔奖
时间：2022-03-07 20:16:44
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2.
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3.
When dopant with valence electrons less than those in the host semiconductor is introduced, the resulting doped system is n-type semiconductor.
4.
Generally speaking in an organic material, the average energy of a hole is approximately equal to the energy of HOMO electron
5.
Organic material system can be conductor, semiconductor, insulator, even superconductor.
6.
Both producing external photoelectric effect and photoluminescence need light irradiation.And the light energy is much higher in the latter case.
7.
To evaluate the conductivity of a material, the only micro factor is carrier mobility.
8.
When we say that anthracene is a photoconductor, it means that the conductivity of this material is higher at irradiation with energy larger than its bandgap, compared to dark current.
9.
Wannier exciton is generally found in inorganic semiconductors.
10.
Frenkel exciton has the smallest radius.
热门答案
1.
Dexter energy transfer is a resonance energy transfer by dipole interaction between the donor molecule and the acceptor molecule.
2.
Under optical excitation only singlet exciton exists.
3.
Compared to photoluminescence from dilute solution of a pure organic material, the photoluminescence from the solid state of this pure material decreases dramatically with very large redshift.This is due to exciplex formation.
4.
Dimer is formed by two same molecules
5.
Excimer is formed by two different molecules
6.
Electric field generally assists the dissociation of exciplex.
7.
There is no ground state for excimer, but exists ground state for exciplex.
8.
Compared to monomer emission, the excimer emission is redshift, structureless, but short lifetime.
9.
Dipole allowed optical transition occurs between two electronic state with same symmetry
10.
In spectra of optical absorption or emission, the rotational energy some time is observable as fine structure