Dependence of the solar cell performance on nanocarbon/Si heterojunctions<xref rid="cpb_27_7_078801fn1" ref-type="fn">*</xref><fn id="cpb_27_7_078801fn1"><label>*</label><p>Project supported by the National Key R&D Program of China (Grant No. 2018YFA0208402), the National Basic Research Program of China (Grant No. 2012CB932302), the National Natural Science Foundation of China (Grant Nos. 11634014, 51172271, and 51372269), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDA09040202).</p></fn>

Dependence of the solar cell performance on nanocarbon/Si heterojunctions**

Project supported by the National Key R&D Program of China (Grant No. 2018YFA0208402), the National Basic Research Program of China (Grant No. 2012CB932302), the National Natural Science Foundation of China (Grant Nos. 11634014, 51172271, and 51372269), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDA09040202).

Xiao Shiqi^{1, 3}, Fan Qingxia^{1, 3}, Xia Xiaogang^{1, 3}, Xiao Zhuojian^{1, 3}, Chen Huiliang^{1, 3}, Xi Wei^{1, 3}, Chen Penghui^{1, 3}, Li Junjie^{1, 3}, Wang Yanchun^{1, 2, 3}, Liu Huaping^{1, 2, 3}, Zhou Weiya^{1, 2, 3, †}

(color online) (a) Time dependence of PCE of a G-CNT/Si solar cell. (b) J–V characteristics of G-CNT/Si solar cell coated with a moderate layer of PMMA (PMMA/G-CNT/Si for short).