> We have formulated some simple routes for preparing or charaterizing chemimicals/devices for potential use in different applications. The links below aim to provide a summary with publications where a detailed step-by-step procedures are given. **Please cite the proper sources for all methods used from this page and, and as always follow general laboratory safety guideline.** #### Calibration curve: linear- or log-fitting 作图：选择线性还是对数？ - <img src="/usr/img/2021AC-hq.gif" style="width:80%"> - Qing Hong, Yanfei Shen, Songqin Liu, and Yuanjian Zhang*,”Re-Examination of Plotting Analytical Response against Different Forms of Concentration”, [Anal. Chem. 2021, 93, 11910–11914](https://doi.org/10.1021/acs.analchem.1c02683). - **工作曲线的本质**：利用有限的已知数据去预测大量的未知数据 - **隐含的前提条件**：预测的数据需客观存在、符合理论 - **重新审视和建议**：根据速率方程决定线性、对数或者非线性拟合 #### Collecting high resolution Electrochemiluminescence (ECL) spectrum - <img src="/usr/img/ECL-spectrum.png" style="width:40%"> - Yanqin Lv, Zhixin Zhou, Yanfei Shen, Qing Zhou, Jingjing Ji, Songqin Liu, and Yuanjian Zhang*,”Coupled Fluorometer-Potentiostat System and Metal-Free Monochromatic Luminophores for High-Resolution Wavelength-Resolved Electrochemiluminescent Multiplex Bioassay”, [ACS Sens. 2018, 3, 1362–1367](http://dx.doi.org/10.1021/acssensors.8b00292 "ACS Sens. 2018, DOI: 10.1021/acssensors.8b00292"). - Tingting Zhao, Qing Zhou, Yanqin Lv, Dan Han, Kaiqing Wu, Lufang Zhao, Yanfei Shen, Songqin Liu, and Yuanjian Zhang*, "Ultrafast Condensation of Carbon Nitride on Electrodes with Exceptional Boosted Both Photocurrent and Electrochemiluminescence", <em><a href="https://doi.org/10.1002/anie.201911822">Angew. Chem. Int. Ed.</em><strong> 2020</strong>, 59, 1139-1143. </a> - Yanfeng Fang, Yuhua Hou, Hong Yang, Ran Chen, Wang Li, Jin Ma, Dan Han, Xuwen Cao, Songqin Liu, Yanfei Shen, and Yuanjian Zhang*, “Elucidating Effects of Orbital Delocalization on Electrochemiluminescent Efficiency for Carbon Nitrides”, <a href="https://doi.org/10.1002/adom.202201017">Adv. Optical Mater. 2022, 2201017.</a> (This article includes <strong>comprehensive details of relative electrochemiluminescent efficiency calculation</strong>) - 中文版 ([高分辨ECL光谱采集详解](/usr/pdf/ECL_spectrum_collecting_guide-2022-04-24.pdf "高分辨ECL光谱采集详解")） #### Preperation of polymeric carbon nitride photoelectrode - Shuang Lou, Zhixin Zhou, Yanfei Shen, Zongsheng Zhan, Jianhai Wang, Songqin Liu, and Yuanjian Zhang*,”A Comparison Study of the Photoelectrochemical Activity of Carbon Nitride with Different Photoelectrode Configurations”, [ACS Appl. Mater. Interfaces 2016, 8, 22287–22294](http://dx.doi.org/10.1021/acsami.6b09699 "ACS Appl. Mater. Interfaces 2016, 8, 22287–22294"). - Yuanjian Zhang*, and Markus Antonietti, “Photocurrent Generation by Polymeric Carbon Nitride Solids: an Initial Step towards a novel Photovoltaic System”, [Chem. Asia J. 2010, 5, 1307-1311](https://yzhang.group/usr/pdf/caj2010.pdf "Chem. Asia J. 2010, 5, 1307-1311"). #### Determination of conducting band (Ec) and the valence band (Ev) of polymeric carbon nitride - Considering that neither anodic nor cathodic photocurrent dominates for carbon nitride photoeletrode, the flat band potential (Efb) was supposed to be approximately at the middle of the Ec and Ev values. Thus, instead of Mott–Schottky equation, we use the onset photocurrent potential as the Efb. - Yuanjian Zhang*, and Markus Antonietti, “Photocurrent Generation by Polymeric Carbon Nitride Solids: an Initial Step towards a novel Photovoltaic System”, [Chem. Asia J. 2010, 5, 1307-1311](https://yzhang.group/usr/pdf/caj2010.pdf "Chem. Asia J. 2010, 5, 1307-1311"). #### Rapid exfoliation and functionalization of carbon nitride nanosheets - Jingjing Ji, Jing Wen, Yanfei Shen, Yanqin Lv, Yile Chen, Songqin Liu, Haibo Ma, and Yuanjian Zhang*,”Simultaneous Noncovalent Modification and Exfoliation of 2D Car-bon Nitride for Enhanced Electrochemiluminescent Biosensing “, [J. Am. Chem. Soc. 2017, 139, 11698–11701](http://dx.doi.org/10.1021/jacs.7b06708 "J. Am. Chem. Soc. 2017, 139, 11698–11701"). - Video (.mp4) <video width="480" height="270" controls> <source src="https://pubs.acs.org/doi/suppl/10.1021/jacs.7b06708/suppl_file/ja7b06708_si_002.avi" type="video/mp4"> </video> #### And more ... (to be updated)
Carbosensing group @SEU