Optimization Design of Top Contact Metallization of Concentrator Solar Cells

【中文摘要】 对聚光型太阳电池表面栅极图形进行优化设计。对组成太阳电池表面栅电极的图形最小单元的各种功率损失进行了详细分析,得到了最佳栅电极间距的递推公式。优化计算了各种宽度的次栅之间的间距,并得到了相对应的功率损失比例。电极和半导体接触良好时,当次栅间距小于最佳值,电极的遮挡对于功率损失影响最大;而当次栅间距大于最佳值时,太阳电池体材料输运功率损失和次栅电极电流输运功率损失开始成为主要原因。对于高倍聚光型太阳电池来说,次栅电极的厚度相对要求厚一些。计算及分析结果可应用于聚光型太阳电池电极的设计中。 【英文摘要】 An optimum grid pattern of the concentrator solar cell top contact metallization was designed. Several power-loss mechanisms of the smallest element were analyzed detailedly. The optimum grid spacing recursion formula was deduced. The optimum grid spacing and the power-loss for the grids of different width were calculated. The shadowing loss was the biggest loss when the grid spacing was narrower than the optimum one if ohmic contact was very well. Otherwise,the current transporting power losses of the grid...中国博士后科学基金面上资助项

通过发表OA论文来提高学术影响力

1、生物物理所OA论文发表及学术影响力分析；2、与科研相关的OA；3、如何发表OA论文；4、开放科技资源介

Effects of Fluoride on Activities of Ru-based Ammonia Synthesis Catalysts

[中文文摘]以MgO为载体 ,分别用KF ,KNO3 ,BaF2 和BaO为促进剂前驱体制备钌基氨合成催化剂 ,并用X射线衍射 (XRD)、高分辨透射电子显微镜 (HRTEM)和催化剂性能评价等方法考察了不同促进剂前驱体对钌基氨合成催化剂的影响 .结果表明 ,电负性比氯大的氟的引入能提高催化剂的活性 ,在KF Ru/MgO催化剂中 ,F与载体的O发生交换 ,改变了载体的结构和表面性质 ,从而导致金属载体相互作用情况的不同以及金属分散度的提高 ,因而有利于催化活性的提高 .同时 ,当F以BaF2的形态存在时也能提高催化活性。[英文文摘]A series of Ru based ammonia synthesis catalysts supported by magnesia with different promoter precursors were prepared. The effects of different promoter precursors on the catalysts were investigated by XRD, HRTEM and performance evaluation techniques. The results indicated that the activities of catalysts were increased by the introduction of fluoride and some oxygen of magnesia was exchanged with fluoride in KF-Ru/MgO catalyst. It was suggested that the exchange of oxygen and fluoride changed the structure and surface property of support , hence improving the metal dispersion and the different interactions of ruthenium and the support . Consequently , the activity of catalyst prepared with KF was higher. At the same time , the activity of catalyst prepared by BaF2 was also higher than the one prepared by BaO, though the configuration of fluoride and barium was BaF2.国家自然科学基金(Nos.20273053,20023001,299330 40); 国家重点基础研究发展规划(No.001CB108906)资助项目

Holocrine activity of androgenic gland in mud crab Scylla serrata

【中文摘要】 采用透射电镜技术,对锯缘青蟹(Scyllaserrata)促雄腺细胞的分泌活动进行了观察。结果表明,腺细胞具有2种类型:A型细胞核内常染色质丰富,具有大量的扁平嵴的线粒体、粗面内质网与核糖体,A型细胞进行分泌时,细胞质大量排出,属于全浆分泌方式;B型细胞异染色质绕核内膜分布,仅见极少量的细胞器或细胞质完全消失。B型细胞为A型细胞完成分泌后的存在形式。本研究为甲壳动物促雄腺的全浆分泌活动提供了直接的证据。 【英文摘要】 The secretive activity of androgenic glands in TBScylla serrata was studied using transmission microscope. The results show that there are two types of glandular cells: Type A, which has nucleus rich in euchromatin, and large numbers of mitochondria with flat cristae, rough endoplasmic reticulum and ribosome; Type B, which has nucleus rich in heterochromatin, and the organelles almost vanished. After Type A cell performed the secretion function, it exists as the form of Type B cell. This paper provides the...福建省重中之重项目资助(1998～2002年);高等学校博士学科点专项科研基金项目资助(20010384010)

Holocrine activity of androgenic gland in mud crab Scylla serrata

采用透射电镜技术,对锯缘青蟹(Scyllaserrata)促雄腺细胞的分泌活动进行了观察。结果表明,腺细胞具有2种类型:A型细胞核内常染色质丰富,具有大量的扁平嵴的线粒体、粗面内质网与核糖体,A型细胞进行分泌时,细胞质大量排出,属于全浆分泌方式;B型细胞异染色质绕核内膜分布,仅见极少量的细胞器或细胞质完全消失。B型细胞为A型细胞完成分泌后的存在形式。本研究为甲壳动物促雄腺的全浆分泌活动提供了直接的证据。 【英文摘要】 The secretive activity of androgenic glands in TBScylla serrata was studied using transmission microscope. The results show that there are two types of glandular cells: Type A, which has nucleus rich in euchromatin, and large numbers of mitochondria with flat cristae, rough endoplasmic reticulum and ribosome; Type B, which has nucleus rich in heterochromatin, and the organelles almost vanished. After Type A cell performed the secretion function, it exists as the form of Type B cell. This paper provides the...福建省重中之重项目资助(1998～2002年);; 高等学校博士学科点专项科研基金项目资助(20010384010)

黔西北土法炼锌区水土流失的特点及防治对策

作者简介: 吴桂容( 1970- ) , 女, 广西贺州人, 博士研究生, 副教授, 主要从事污染生态学研究。E - mail: hzwgr510@ 163. com。通信作者: 敖子强, 博士研究生, 主要从事环境生态和污染生态学研究。E - m ai:l aoz iq iang628@ 163. com。通过对土法炼锌区的土壤、废渣、植物、地表水和沉积物进行实地调查和采样分析,发现土法炼锌区水土流失主要是由于含有SO2和重金属的废气导致植被严重破坏、土壤裸露造成的;水土流失同时导致了重金属的迁移扩散,污染土壤中重金属可溶态比重大,而废渣中重金属可溶态比重小,主要随废渣一起流失。减少土法炼锌区水土流失的主要途径是恢复植被和利用工程措施将废渣固定。对于污染土壤来说限制因子是土壤pH值低,可溶态重金属比重大,主要对策是增加土壤的pH值,选择耐酸性和耐重金属的树种恢复植被;对于废渣来说限制因子是废渣持水保肥能力差,重金属含量高,及废渣本身的结构疏松,主要对策是保持废渣的pH值不降低,利用工程措施将废渣固定,及改变土壤的结构来恢复植被;废渣和污染土壤上的先锋植物醉鱼草(Buddleja lindleyana)可作为首选来恢复植被。贵州省科学技术基金(编号:20062014);广西重点实验室研究基金(编号:桂科能0704K002

Effect of lanthanide contraction on crystal structures of lanthanide coordination polymers with 2,5-piperazinedione-1,4-diacetic acid

通讯作者地址: Kong, XJ (通讯作者), Xiamen Univ, State Key Lab Phys Chem Solid Surface, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China 地址: 1. Xiamen Univ, State Key Lab Phys Chem Solid Surface, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China 2. Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China 电子邮件地址: [email protected] series of lanthanide coordination polymers have been synthesized through the hydrothermal reaction of 2,5-piperazinedione-1,4-diacetic acid (H2PODC) and Ln(NO3)(3) (Ln = La, 1; Pr, 2; Sm, 3; Ho, 4 and Er, 5). Crystal structure analysis reveals that their structural variations are attributed to the effect of lanthanide contraction.NNSFC 20825103 20721001 20901064 MSTC 2007CB815304 Natural Science Foundation of Fujian Province of China 2008J001

From Graphene Sheets to Boron Nitride Nanotubes via a Carbon-Thermal Substitution Reaction

通讯作者地址: Xie,SY(通讯作者),Xiamen Univ, Coll Chem & Chem Engn, State Key Lab Phys Chem Solid Surfaces, 422 Si Ming Rd, Xiamen 361005, Peoples R ChinaNSFC,21031004,21021061,973 Projects 2007CB815301 2011CB93590

NIJL News No.67 SUMMER 2025

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Retrieving the Most Prevalent Small Fullerene C(56)

通讯作者地址: Xie, SY (通讯作者),Xiamen Univ, State Key Lab Phys Chem Solid Surfaces, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China 地址: 1. Xiamen Univ, State Key Lab Phys Chem Solid Surfaces, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China 2. Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China 电子邮件地址: [email protected] of China,20721001 ,21031004 973 Program 2007CB815301 2011CB93590