the National Key Research and Development Program of China(Grant No.2017YFB0405302)。
Two-dimensional(2D)materials and their corresponding van der Waals(vd W)heterostructures are considered as promising candidates for highly efficient solar cell applications.A series of 2D HfX2(X=Cl,Br,I)monolayers are...
Supported by the National Natural Science Foundation of China under Grant Nos 61274068 and 61404058;the Project of Science and Technology Development Plan of Jilin Province under Grant Nos 20150204003GX and 20130206021GX;the Project of Science and Technology Plan of Changchun City under Grant No 14KG020
We report fabrication and characterization of organic heterojunction UV detectors based on N,N'-bis(naphthalen- 1-y1)-N,N'-bis (phenyl) benzidine (NPB) and fullerene C60. The effects of different thicknesses o...
Supported by the National Natural Science Foundation of China under Grant Nos 11179019,11044011and 91022002;Innovation Program of Shanghai Municipal Education Commission under Grant No 11ZZ29;Shanghai Municipal Science and Technology Commission under Grant No 11ZR1440500;the Fundamental Research Funds for the Central Universities.
We investigate the emission properties of CuI film scintillators and the effect of distributed Bragg reflectors.The free-exciton emission and the donor-acceptor pair emission from the CuI thin film with the peak wavel...
Supported by the National Basic Research Program of China(No 2010CB631001);the National Natural Science Foundation of China(No 50871046);the Programs of Science and Technology Department of Heilongjiang Province(No QC2011C026);the Program for Changjiang Scholars and Innovative Research Team in University.
The electronic structures and optical properties of Y-doped ZnO are calculated using first-principles calculations.It is found that the replacement of Zn by the rare-earth element Y presents a shallow donor,and the Fe...
by the National Natural Science Foundation of China under Grant No 10847004.
We report a calculation of binding energy of the ground state of a hydrogenic donor in a quantum cylindrical GaAs dot surrounded by Ga1−xAlxAs with finite confinement potentials,in the presence of a uniform electric f...
We have calculated the intersubband transitions and the ground-state binding energies of a hydrogenic donor impurity in a quantum well in the presence of a high-frequency laser field and hydrostatic pressure.The calcu...
Supported by the National Basic Research Programme of China under Grant No 2002CB613405, and the National Natural Science Foundation of China under Grant Nos 50573024 and 50433030, the Key Project of the Ministry of Education of China (104208), and the Natural Science Foundation of South China University of Technology (E5040910).
Polymer photovoltaic devices based on poly(3-hexylthiophene) (P3HT) : [6,6]-phenyl-C61-butyricacid methyl ester (PCBM) 1:1 weight-ratio blend are reported. The effects of various annealing treatments on the de...
the National Natural Science Foundation of China under Grant No 50672085, the Programme for Changjiang and Innovative Research Team of China under Grant No 0651, and the Programme for New Century Excellent Talents in University under Grant No 040537. The author is grateful Dr J. Vonhellmont at the University of Gent, Belgium for helpful discussion.
By means of low-temperature (10 K) Fourier transform infrared absorption spectroscopy, the kinetics of nitrogen indiffusion in Czochralski (CZ) silicon annealed at 1150-1250℃ in nitrogen ambient is investigated. ...
Organic light emitting diodes with an interface of organic acceptor 3-, 4-, 9-,10-perylenetetracarboxylic dianhydride (PTCDA) and donor copper phthalocyanine (CuPc) involved in hole injection are fabricated. As co...