@incollection{Zhang19, author = {Xiaoyang Zheng and Xian Zhang}, title = {Excitons in Two-Dimensional Materials}, booktitle = {Advances in Condensed-Matter and Materials Physics}, publisher = {IntechOpen}, address = {Rijeka}, year = {2019}, editor = {Jagannathan Thirumalai and Sergey Ivanovich Pokutnyi}, chapter = {2}, doi = {10.5772/intechopen.90042}, url = {https://doi.org/10.5772/intechopen.90042} }